Tektronix sg 502 User manual

  • Hello! I am an AI chatbot trained to assist you with the Tektronix sg 502 User manual. I’ve already reviewed the document and can help you find the information you need or explain it in simple terms. Just ask your questions, and providing more details will help me assist you more effectively!
y
ι
+
τ
"
.
. :
e-
ι
ME
-
r
ι
r
-
ν
~
Κ
Te
k
tro
n
i
x
,
Inc
.
Ρ
.
Ο
.
Box
500
B
ea
v
erto
n
,
O
r
ego
n
97077
T
EK
TR
O
N
IX°
SG
502
OSCILLATOR
I
N
ST
R
U
CTIO
N
M
A
N
U
A
L
Serial
N
u
m
be
r
070-1430-
0
1
1176
REV
.
Β
N
O
V
197
6
S
E
CTIO
N
1
S
E
CTIO
N
2
W
A
RN
ING
TA
BLE
O
F
CO
N
T
EN
TS
T
h
e
r
emai
n
i
ng
portion
o
f t
h
is
Table
of
Co
n
te
n
ts
lists
servici
ng
Instr
u
ctio
ns
t
h
at
expose
p
e
r
so
nn
el
to
h
azardo
u
s
voltages
.
T
h
ese
Instructio
ns a
r
e
for
qu
alifie
d
service
pe
r
sonnel
o
n
ly
.
C
HANG
E
I
NF
O
RM
ATIO
N
SG
502
ί
S
E
CTIO
N
3
AD
JUST
MEN
T
3-1
S
E
CTIO
N
4
M
AI
N
T
EN
AN
C
E
A
ND
I
NT
ERF
ACI
N
G
I
NF
O
RM
ATIO
N
4-1
SE
CTIO
N
5
CI
R
C
U
IT
D
E
SCR
I
PTIO
N
5-1
SE
CTIO
N
6
REPL
AC
EABLEELE
CT
R
ICA
L P
AR
TS
L
IST
6-1
O
PTIO
N
S
SE
CTIO
N
7
DIAG
R
AMAND
CI
R
CU
IT
B
OA
R
D
I
LLU
ST
R
ATIO
N
7-1
SE
CTIO
N
8
REPL
AC
EABLE
MECHA
N
ICA
L
P
A
R
TS
L
IST
8-1
AND
EXPL
OD
ED
V
I
EW
P
age
O
PER
ATI
NG
I
N
ST
RU
CTIO
N
S
1-1
S
PE
CIF
ICATIO
NAND
PERF
O
RM
A
N
C
E
C
HEC
K
2-1
Fig
.
1-1
.
SG
502
Oscillator
Plug-in
Module
.
Th
e
SG
502
ge
n
erates
low
d
istortion
si
n
e
waves
and
s
qu
are
waves
ove
r
α
f
r
eque
n
cy
r
a
n
ge
of
5
Hz
to
500
kH
z
.
Α
stable
RC
oscillato
r
p
rovides
5
V
r
ms
out
pu
t
u
nder
no
loa
d
,
o
r
2
.5
V
rms
i
n
to α
600
Ω
load
.
Α
co
n
ti
n
uo
u
sly-
variable
co
n
trol
affo rd
s
greater
t
h
an 40
dB
sine-wave
attenuatio
n
in
a
dd
itio
n
to
pus
hbutton
-selecte
d
10,
20,
a
nd
40
dB
steps
.
Α
0
to
+5
V
fixed
am
p
lit
u
desqua
r
e
wave,
at
t
h
e
same
freq
u
en
cy
as
t
h
e
si
ne
wave,
is
available
from
α
sep
a
r
ate fro
n
t
pan
el
co
nnector
.
T
h
e
SG
502
also
featu
r
es
an
exte
rn
al
sync
in
pu
t
w
h
ic
h
loc
ks
t
h
e
out
p
ut
fre
qu
en
cy
to
Installation
and
R
emoval
T
urn
t
he
P
owe
r
M
odule
off
before
inse
r
ti
ng
t
he
plug-
in
;
ot
he
r
wise,
d
amage
may
occu
r
to
t
h
e p
lug-in
ci
r
cuit
r
y
.
REV
.
C
N
O
V
1976
IN
ST
RUMEN
T
D
E
SC
R
I
P
TIO
N
PREP
A
R
ATIO
N
F
O
R
U
S
E
F
ig
.
1-2
.
Plug-In
M
o
du
le
Installation/removal
.
Section
1-SG
502
O
PER
ATI
N
G
I
N
ST
RU
CTIO
N
S
α
sync
h
ro
n
izi
n
g
sig
n
al
.
Α
si
ngle d
ial
a
nd
five
decade
p
us
hbu
ttons
p
rovide
fre
quen
cy
selectio
n
.
T
he
elect
r
ical
ch
a
r
acteristics
a
r
e
vali
d
only
if
t
he
SG
502
is
cali
b
rated
at
an
am
b
ie
n
t
tempe
r
at
u
re
betwee
n
+20°
C
a
nd
+30°
C
and
op
e
r
ate
d
betwee
n
C
a
nd+50°
C,
unless
ot
herwise
n
oted
.
T
he
outp
u
ts
must
be terminated
i
n
600
Ω
loads
.
R
efe
r
to
F
ig
.
1-2
.
C
heck
to
see
t
h
at
t
he
plastic
barriers
on
t
he
i
n
terconnecti
ng
j
ac
k
of
t
h
e
selected
P
owe
r
M
odule
com
p
art
m
en
t
matc
h
t
h
e
cut-outs
i
n
t
he
SG
502
ci
r
cuit
boa
r
d
edge
co
n
nector
.
Operating
Instructions-SG
502
VAR
AMPLITUDE
0 to
>
40 dB
attenuation
continuously
variable
.
Square-wave
output
BNC
connector
.
SYNC
INPUT
Connect
to external
signal
source
for
synchronization
.
Sine-wave
output
BNC
connector
.
STEP
ATTEN
Calibrated
attenuation
steps
.
Fig
.
1-3
.
Front
panel
controls
and
connectors
.
POWER
When
lit,
indicates
power
is
applied
.
FREQUENCY
Hz
Calibrated
from
0
.5
to
5
.0
.
Selects
frequency
in
con-
junction
with
MULTI-
PLIER
.
MULTIPLIER
Multiply
FREQUENCY
Hz
dial
setting
by
active
push-
button
to
obtain
output
frequency
.
1430-03
REV
.
C
NOV
1976
Alig
n
t
h
e
SG
502
c
h
assis
wit
h
t
h
e
upper
an
d lower
guides
of
t
he
selected
com
p
artme
n
t
.
Pu
s
h
t
he
mo
dule
in
a
nd
press
fi
r
mly
to
seat
t
h
e
circuit
boa
r
d
i
n
t
he
i
n
te
r-
conn
ecti
n
g
j
ack
.
To
r
e
m
ove
t
he
SG
502,
pull
on
t
he
release
latc
h
,
located
i
n
t
h
e
lowe
r
left
cor
n
e
r
,
un
til
t
h
e
i
n
terco
n
necti
n
g
j
ack
d
ise
n
gages
an
d
t
he
SG
502
will
sli
d
e
ou
t
.
Apply
p
ower
to
t
he
SG
502
b
y
p
ulli
n
g
o
u
t
t
he
powe
r
switch
kn
o
b
of
t
he
P
owe
r
M
od
u
le
.
M
ak
i
ng
Con
n
ectio
n
s
F
ig
.
1-4
s
h
ows
an
eq
uivalent
ci
r
cuit
fo
r
t
h
e
600
Ω
sine-
wave
an
d
s
q
ua
r
e-wave out
p
uts
of
t
h
e
SG
502
.
Α
50
Ω
coaxial
cab
le
adds
abo
u
t
30
pF
per
foot
to
t
h
e output
.
U
se
sh
ort
cables
to
avoi
d
reduced
si
n
e-wave
am
p
lit
ud
e
an
d
roun
ded
square
waves,
especially
at
h
ig
h
er
fre
q
ue
n
cies
.
Sync
hr
o
n
izatio
n
W
it
h
an
E
xter
n
al
Device
To
sy
nc
h
ro
n
ize
t
he
SG
502
wit
h an
exter
n
al
oscillato
r
,
p
lug
t
he
si
n
e-wave
outp
u
t
of
t
h
e
exte
rn
al
oscillator
i
n
to
t
he
SY
N
C
I
NPU
T
j
ack
on
t
h
e
front
p
a
n
el
.
Attem
p
ti
ng
sy
nc
h
ro
n
izatio
n
wit
h
ot
h
er
t
h
a
n α
si
n
e-wave
may
cause
h
a
r
mo
n
ic
d
istortion
of
t
h
e
SG
502
o
u
tp
u
t
.
M
axim
u
m
pur
ity
is
obtained
wh
en
bot
h
signals
a
r
e
t
h
e
same
fre
q
ue
ncy
.
T
h
e
f
r
eque
n
cy
range
over
w
h
ic
h
t
h
e
syn
c
h
ro
n
ization
occurs
de
p
ends
upon
t
h
e
amplitude
of
t
h
e
syn
c
h
ro
n
izi
n
g
signal
.
T
h
e voltage
req
u
ire
d
fo
r
syn
c
h
ro
n
izatio
n
varies
li
n
early
f
r
om
0
V
(when
t
he
fre
qu
e
n
cies
are
i
d
e
n
tical)
to
a
pp
roximately
5
V
rms
(w
hen
t
h
e
f
r
eq
uencies
diffe
r
by
5
ο/ο
)
.
A
pp
roximately
α
1
V
ρ
-
ρ
si
n
e
wave
at
t
he
oscillato
r
fre
q
ue
ncy
is
available
from
t
he
SY
NC
I
NPU
T
conn
ecto
r
.
Th
e
sou
r
ce im
p
eda
n
ce
is
10
k
Ω
.
REV
.
C
N
O
V
197
6
Co
n
trols
an
d
Co
nn
ecto
r
s
R
efer to
F
ig
.
1-3
.
Eve
n
t
h
o
u
g
h
t
h
e
SG
502
is
fully
cali
brated an
d
r
ea
d
y
to
u
se,
t
he
f
un
ctio
ns an
d
actio
n
s
of
t
h
e
cont
r
ols
a
nd conn
ecto
r
s sh
ou
ld
b
e
r
eviewe
d befo
r
e
attem
p
ti
ng
to
u
se
it
.
N
ote
t
he
ST
EP
ΑΤΤΕΝ
pu
s
hb
utto
ns
a
r
e push
-p
u
s
h
actio
n
s,
w
h
ile
all
t
h
e
r
est
a
r
e
self-
ca
n
celli
n
g
actio
ns
.
N
ote
also
t
h
at
t
h
e
P
O
WER
lig
h
t
is
t
he
only
visual
i
nd
icatio
n
t
h
at
t
h
e
p
owe
r
is
b
ei
n
g a
pp
lied to
t
he
SG
502
.
O
PER
ATI
N
G
CO
N
SID
ER
ATIO
N
S
Sy
nch
ro
n
izing
an
E
xter
n
al
Device
T
h
e
+5
V
s
q
uare-wave
o
u
t
pu
t
can
be
used
to
sy
n
-
ch
ronize
an exte
r
nal
d
evice
suc
h
as
α
co
un
te
r
o
r
os-
cilloscope
:
T
h
e
s
qu
are-wave
am
p
lit
ud
e
will
be
+5
V
ope
n-
ci
r
cuited,
and
will
d
ecrease
as
t
he
loa
d
im ped
an
ce
decreases
.
O
p
e
r
at
i
ng
I
n
str
u
ctio
n
s-SG
502
600
Ω
F
ig
.
1-4
.
Eq
uivale
n
t
600
Ω
ou
t
pu
t
ci
r
cu
its
.
1
α
3ο
-
οα
Ope
r
ating
Inst ru
ctions-SG
502
REPAC
K
AGI
N
G
F
O
R
S
H
I
PMEN
T
If
t
h
e
Te
k
tronix
i
n
strument
is
to
be s
h
i
p
pe
d
to
α
Te
k
tronix
Service
Ce
n
ter
for
service
or
re
p
air,
attac
h
α
tag
sh
owi
n
g
:
owner
(wit
h
ad
dress)
a
nd
t
h
e
n
ame
of
an
i
n
dividual
at
your
firm
t
h
at
can
be
co
n
tacte
d
,
com
p
lete
i
n
str
u
me
n
t
serial
num
ber
an
dα
d
escriptio
n
of
t
h
e
service
re
q
uire
d
.
Save
a
nd
re-
use
t
h
e
pac
k
age
i
n
w
h
ic
h
your
instrument
was
sh
i
pp
ed
.
If
t
h
e
original
p
ac
k
agi
ng
is
unfit
for
use
or
n
ot
available,
repac
k
age
t
he
i
n
str
u
me
n
t
as
follows
:
1
.
O
b
tai
n
α
carto
n
of
corrugated
cardboar
d h
avi
ng
i
n
si
d
e
dimensio
nsof
no
less
t
han
six
i
n
c
hes
more
t
han
t
h
e
i
n
strume
n
t
dime
n
sio
n
s
;
t
h
is
will
allow
for
c
ush
io
n
ing
.
R
efe
r
to
t
h
e
following
table
for
carto
n
test
st
r
ength
re
q
uirements
.
2
.
Surrou
nd
t
he
instrume
n
t
wit
h p
olyet
h
yle
n
e
sh
eeting
to
protect
t
he
fi
n
is
h
of
t
h
e
instrume
n
t
.
3
.
C
us
h
io
n
t
h
e
i
n
str
u
ment on
all
sides b
y
tig
h
tly
pac
k
i
n
g
dunn
age
or
uret
h
ane
foam
b
etwee
n carton
and
i
n
str
u
me
n
t,
allowi
n
g
t
hree
inc
hes on
all
si
d
es
.
4
.
Seal
carton
wit
h
s
h
i
pp
i
n
g
ta
p
e
or
i
n
dustrial
stapler
.
S
H
I
PP
I
N
G
CA
R
TO
NT
E
STST
REN
GT
H
G
r
oss
W
eig
h
t
(I
b
)
Ca
r
to
n Test
St
r
e
n
gt
h
(lb)
0-10
200
10-30
275
30-120
375
120-140
500
140-160
600
S
PE
CIF
ICATIO
N
S
Table
2-1
E
lectrical
C
h
aracte
r
istics
Section
2-SG
502
S
PE
CI
F
ICATIO
N
A
N
D
PERF
O
RM
A
N
C
E
C
HE
C
K
I
n
troduction
T
h
is
p
roced
ur
e
c
h
eck
s t
he
electrical
ch
aracteristics
of
t
he
SG
502
t
h
at
appear
in
t
he
Specificatio
n
.
If
t
he
i
n
st
r
ume
n
t
fails
to
meet
t
h
e
r
e
qu
i
r
eme
n
ts
given
in
t
h
is
perfo
r
ma
nce c
h
eck
,
t
he
cali
b
ration
procedure sh
oul
d
be
p
erformed
.
T
h
is
proce
dure
ca
n
also
be
used
by
an
i
n
comi
n
g
i
nspectio
n
facility
to
determi
n
e
acce
p
tability
of
p
e
r
forma
n
ce
.
REV
.
Α
JUN
197
7
PERF
O
RM
A
N
C
E
C
HE
C
K
T
h
e
electrical
c
h
aracteristics
are
valid
only
if
t
he
SG
502
is
cali
b
rate
d
at
an
am
b
ie
n
t
tem
pe
r
ature
of
+20°
C
to
+30
0
C
and
op
erate
d
at
an
ambient
tem
p
eratu
r
e
of
C
to
+50°C
.
F
orce
d
air
circ
u
latio
n
is
req
u
ired
for
am
b
ie
n
t
tem
p
erat
u
res
above
+40°C
.
Toleran
ces
t
h
at
are
specified
i
n
t
h
is
p
e
r
fo
r
ma
n
ce
ch
ec
k
proced
u
re
apply
to
t
h
e
i
n
st ru
me
n
t
un
der
test
a
n
d
do
n
ot
include
test
e
q
uipme
n
t
erro
r
.
C
h
aracte
r
istics
P
erforma
n
ce
R
equi
r
ements
Su
pp
leme
n
tal
I
n
fo
r
matio
n
Si
ne
W
ave
Fr
e
q
ue
n
cy
R
an
ge
5
Hz
to
500
kH
z
Calibratio
n
Accuracy
W
it
h
in
5
ο
/
ο
of
dial
setti
n
g
f
r
om
5 Hz
to
less
t
h
a
n
50
kH
z
;
wit
h
i
n 10
ο/ο
of
d
ial
setti
n
g
from
50 kH
z
to
500
kH
z
Am
p
litude
R
esponse
W
it
h
in
0
.3
dB
over en
tire
r
an
ge
(1
kH
z
refe
r
e
n
ce)
M
axim
u
m
Out
p
ut
V
oltage 5
V
r
ms,
o
pen
circ
u
it,
2
.5
V
rms
into
α
600
Ω
loa
d
H
a
r
mo
n
ic
Distortio
n
L
ess
t
h
an
0
.035%
from
20 Hz
to
50 kH
z
.
L
ess
t
h
a
n 0
.15%
ove
r t
he
remaining
fre
q
uency
ra
n
ge
Hum/
N
oise
L
ess
t
han
0
.1
ο
/
ο
of rate
d
o
u
tput
Atte
n
tuatio
n
0
to
greater
t
han
40
d
B
conti
n
uo
u
sly
varia
b
le
.
10,
20,
a
nd
40 d
B
ste
ps
wit
h
in
t2°/
ο
for
eac
h
ste
p
Sq
uare
W
ave
F
re
quen
cy
R
an
ge
5
H
z
to
500
kH
z
Am
p
litu
de
Approximately
+5
V
op
en-circ
u
it
(+2
.5
V
i
n
to
α
600
Ω
load)
R
ise
a
n
d
F
all
Time
L
ess
t
h
a
n 50
n
s
i
n
to
50
Ω
o
r
600
Ω
;
te
r
mi
n
ated
an
d
meas
u
red
at
t
he
fro
n
t
p
anel
Sy
n
c
I
np
ut
In
p
ut
Im p
eda
nce
10 k
Ω
S
p
ecificatio
ns
and
P
erformance
C
h
ec
k
-SG
502
Test
Eq
ui
p
ment
R
equi
r
e
d
The
following
test
eq
uip
m
e
n
t,
ore
q
uivalen
t, is
re
qu
ire
d
to
perform
t
he
performance
ch
ec
k
,
Test
eq
u
i
p
me
n
t
c
h
aracteristics
liste
d
are
t
h
eminimum
re
q
uire
d
to
verify
t
he
performance
of
t
h
e eq
ui
p
me
n
t
u
n
d
er
test
.
Su
b
stitute
e
qu
ipme
n
t
mustmeet
or
exceed
t
he
state
d
re
qu
i
r
eme
n
ts
.
All
test
e
qu
i
p
me
n
t
is
ass
u
med
to
be
operating
wit
h
i
n
tolera
nce
.
'
R
equ
i
r
es
TM
500
se
r
ies
p
owe
r
mo
d
ule
.
2-2
Ta
b
le
2-2
L
ist
of
Test
Eq
uipme
n
t
R
eq
u
irements
S
p
ecial
test
devices
are
used
w
h
ere
necessary
to
facilitate
t
h
e p
rocedure
.
M
ost of
t
h
ese
are availa
b
le
from
Te
k
tro
n
ix,
Inc
.
a
nd
ca
n
be
o
rd
ere
d
t
hroug
h
your
local
Te
k
t
r
onix F
ield
Office
or
represen
tative
.
REV
13,
JUN
197
8
P
erfo
rm
ance
Desc
r
i
p
tio
n
R
equi
r
ements
A
p
plication
E
xample
Oscilloscope
B
a
ndwi
d
t
h
,
do
to
50
MHz
;
mi
n
-
Used t
hr
o
ugh
out
proce-
α
.
Te
k
tro
n
ix
5440,
im u
m
d
eflectio
n
facto
r
,
5
m
V
/div
;
du
re
to pr
ovi
de
dis
p
lay
.
5
Α
45,
5A1
3N,
51342
sweep
rate,
to
at
least
50
n
s/div
;
Oscilloscope
System
.
differe
n
tial
com
p
arator
ampli-
fier,
compariso
n
voltage,
0
V
to±10
V
.
Cou
n
ter
M
aximum
F
re
q
ue
n
cy,
500
kH
z
;
U
sed
for ste
p
1
.
α
.
Te
k
tronix
DC
503
.'
P
erio
d
Avg
mo
d
e ca
p
able
to
10
3
;
O
u
tp
u
t
sen
sitivity,
5
V
;
Display
acc
ur
acy,
1
cou
n
t
i
n 10
3
.
Distortio
n
M
easure
h
armo
n
ic
d
istortio
n
,
less
U
sed
fo
r
ste
ps
3,
4,
and
6
.
α
.
H
ewlett-
P
ack
ar
d
A
n
alyzer
t
han
.035%
fro
m
20
H
z to
50
kH
z
;
ΗΡ
334
Α
.
less
t
h
a
n 0
.15%
over
t
h
e
r
emai
n
i
n
g
fre
q
uen
cy
r
ange
.
P
owe
r
M
od
ule
Acce
p
ts
TM
500-series
p
l
u
g-i
n
s
.
P
rovi
d
es
p
ower
fo
r
SG
502
α
.
Te
k
t r
o
n
ix
TM
503
.
a
nd
DC
503
.
10
Χ
p
assive
Compati
b
le
wit
h
test
oscillosco
p
e U
sed
for ste
p
s 7 an
d
8
.
α
.
Te
k
tro
n
ix
Ρ
6060
p
r
o
b
e
.
pro
be
to
be
used
Termi
n
ation
Im pedance,
50
Ω
;
connectors,
O
u
tput
termi
n
atio
n fo
r
α
.
Te
k
tro
n
ix
P
art
No
.
BN
C
;
accu
r
acy,
2
ο/ο
sig
n
al
ge
n
e
r
ators,
if
011-0049-01
.
amplifier
is
n
ot
50
Ω
in
p
ut
im p
edance
.
Terminatio
n I
m
peda
n
ce,
6000
;
conn
ecto
r
s,
O
u
tput te
r
min
ation
fo
r
α
.
Te
k
tro
n
ix
P
art
No
.
BN
C
.
sig
n
al
ge
n
erators,
if
011-0092-00
.
am
p
lifier is
not
600
Ω
i
n
put
im
p
edance
.
Ada
p
te
r
Connecto
r
s,
b
a
n
an
a
plug
to
H
armonic
distortio
n
and
α
.
Te
k
t r
onix
P
art
No
.
BN
C
.
si
n
e-wave
o
u
t
p
ut
c
h
ec
k
.
103-0090-00
.
Cable
Impe
d
a
n
ce,
50
Ω
;
ty
pe
R
G-58
U
;
U
se
d
for sig
n
al
α
.
Te
k
t r
o
n
ix
P
art
No
.
le
n
gt
h
,
42
i
nch
es
;
con
n
ectors,
BN
C
.
connectio
n
t
h
ro
ugh
-
012-0057-01
.
out
proced
u
re
.
P
relimina
r
y
P
roce
d
ure
1
.
En
su
re
t
h
at
t
h
e
correct
n
omi
n
al
li
ne
selector
b
loc
k
h
as
been
i
n
stalled
on
t
h
e
li
ne
selector
p
i
n
s
on
t
he P
ower
M
od
ule
i
n
terface
board
and
t
he regu
lati
ng
rnage
selecte
d
i
n
cl
ud
es
t
h
e
applied
li
ne
voltage
.
R
efer to
t
he
installatio
n
section
of
t
h
e
P
ower
M
o
d
ule
ma
n
ual
.
2
.
En
sure
t
h
at
all
test
e
qu
i
p
ment
is
suitably
a
d
apte
d
to
t
he a
pp
lie
d
line
voltage
.
3
.
I
n
stall
t
he
SG
502
i
n
to
t
h
e
P
ower
M
o
du
le,
an
d
if
a
pp
licable,
install
t
he
TM
500
series
test
eq
uipment
i
n
to
t
he
test
e
q
ui
p
me
n
t
P
ower
M
odule
.
4
.
Co
nnect
t
h
eeq
ui
p
ment
un
de
r
test
and
t
h
e
test
e
qu
i
p
me
n
t
to
α
suitable
li
ne
voltage
source
.
T
urn
all
equi
p
me
n
t
on
a
nd
allow
at
least
20
minutes
fo
r
t
h
e
eq
uipme
n
t
to
stabilize
.
I
n
itial
Co
n
t r
ol
Setti
n
gs
Set
t
h
e
following
con
trols
du
ri
n
g
warm-up
.
time
:
Oscillosco
pe
I
n
te
n
sity,
F
ocus
Set
for
well-defi
ned
trace
an
d
normal
brig
htness
.
Differential
Com
p
arator
V
olts/Div
1
V
V
aria
b
le
fully
cloc
k
wise
(cal)
+
I
npu
t
DC
-
I
np
ut
G
N
D
B
a
ndwid
t
h
L
imit
p
us
hb
utton
in
(
Fu
ll
ba
n
dwi
d
t
h
)
Seco
nds/Div
M
ai
n
V
a
r
iable
Trigge
r
i
n
g
+
Slo
p
e
Auto
Trig
AC
Co
u
pl
Source
P
ositio
n
Sw
p
M
ag
C
HΑ
C
H
Β
L
evel
Sp
ecifications
a
nd
P
erfo
rmance
C
heck
-SG
502
Attenuatio
n
Cou
p
li
n
g
+
Slope
F
un
ctio
n
Ν
/Cloc
k
R
ate switch
H
old
Time
B
ase
Plug-in
Co
u
nte
r
SG
502
1
ms
fully
cloc
kwise
(cal)
selecte
d
selected
selecte
d
L
eft
Set
so
trace
starts
at
left
side
of
gratic
u
le
.
n
o
r
mal
sweep
(
n
ot
used)
E
xternal
source
an
d
mid-
r
ange
Χ
1
d
o
selecte
d
P
e
r
io
dΒ
10'-1
ms
fully
cou
n
te
r
cloc
kwise
(minimu
m)
V
A
R
A
MPL
IT
U
D
E
fully
clockwise
MUL
TI
PL
I
ER
switc
h
Χ
100
Κ
(
pushbu
tto
n
i
n)
STEP
ΑΤΤΕΝ
all
pus
h
buttons o
u
t
FRE
Q
UEN
CY
H
z
dial
any
positio
n
S
p
ecificatio
n
s a
ndP
erfo
r
ma
n
ce
C
h
eck
-SG
502
PERF
O
RM
A
N
C
E
C
HE
C
K
PR
OC
E
D
URE
1
.
C
h
ec
k
Dial
Accuracy
;
dial
accuracy
is
wit
h
i
n
5%,
5
Hz
to less
t
han
50
kH
z
;
wit
h
i
n
10%,
50
kHz
to
500
kHz
.
α
.
Co
nn
ect
α 50
Ω
ca
b
le
to
t
h
e
SG
502
Square-wave
ou
t
pu
t
con
n
ecto
r
.
b
.
Co
nn
ect
α
600
Ω
termin
ation
to
t
he
ot
h
er
end
of
t
h
e
ca
b
le
.
c
.
Connect
t
h
e
600
Ω
terminatio
n
to
t
h
e
Cou
n
ter
CH
Β
i
n
p
u
t
conn
ecto
r
.
d
.
C
HE
C
K
-Dial
settings
a
nd
display
u
si
n
g
t
h
e
follow-
i
n
g
ch
art
.
e
.
Disconnect
t
h
e
600
Ω
termin
atio
n from
t
h
e
Cou
n
ter
and
connect
it
to
t
he
SG
502
si
n
e-wave
out
p
ut
conn
ecto
r
.
f
.
Disco
n
nect
t
he 50
Ω
cable
from
t
he
SG
502
s
qu
are-
wave
o
u
tput
conn
ector,
and
conn
ect
it
to
t
h
eV
e
r
tical
Am
p
lifier
+
I
np
ut
.
2
.
C
h
ec
k
Si
n
e-waveAmplitude
;
response
is
wit
h
in
.3
dB
over
en
tire
r
ange
(1
kH
z
refe
r
e
n
ce)
.
α
.
Set
time-base
Time/Div
switc
h
to
.5
μ
s
.
b
.
Set
t
he time-
b
ase
triggeri
n
g
co
n
trols
for
an
υη
-
triggere
d
conditio
n
.
c
.
A
dj
ust
SG
502
V
A
R
A
MPL
IT
UD
E
co
n
t
r
ol
for
α6
d
ivisio
n
display
on
t
he
oscillosco
pe
.
2-4
d
.
U
se
t
h
e
followi
n
g
ch
art
to ch
ec
k
t
h
e
si
n
e-wave
response
.
e
.
Disco
nnect
t
he 50
Ω
ca
b
le
from
t
he
V
e
r
tical
Am
p
lifier
+
In
pu
t
conn
ector
.
3
.
C
h
ec
k
Sine-wave
Out
pu
t
V
oltage
;
2
.5
V
rms,
i
n
to
600
Ω
,
±0
.15
V
.
α
.
Pr
eset
t
h
e
followi
n
g
front-pa
n
el
co
n
trol setti
n
g
:
Distortio
n
A
n
alyzer
Fun
ction
V
oltmeter
M
eter
Ra
n
ge
3
volts
I
npu
t
N
orm
SG
502
V
ar
Amplitude
F
ully
c
ω
b
.
Co
nn
ect
α
Banana-to-
BN
C
a
dap
ter
to
t
he
Distortio
n
A
n
alyzer
I
n
p
ut
.
ε
.
Connect
t
he
50
Ω
ca
b
le
from
t
h
e
600
O
termination
on
t
he
SG
502,
to
t
h
e
a
d
apter
.
d
.
C
HE
CK
-
M
eter
reads
betwee
n 2
.45
a
n
d
2
.65
volts
on
t
he
0
to
3
volt
scale
.
e
.
Disco
nn
ect
t
he
ca
b
le
from
t
he
ad
ap
ate
r
,
an
d
con-
nect
it
to
t
he
+
I
npu
t
of
t
he
V
e
r
tical
Am
p
lifier
.
REV
.
Α
JUN
1977
SG
502
MUL
TI
P
LI
ER
Switc
h
SG
502
FRE
Q
UEN
CY
H
z
d
ial
Oscilloscope
display
Am
p
litude
L
imits
Χ
10
.5
5
.79
to
6
.21
div
Χ
100
.5
Χ
1
Κ
.5
Χ
10
Κ
.5
"
Χ
100
Κ
.5
"
Χ
100
Κ
1
"
Χ
10
Κ
1
"
Χ
1
Κ
1
Χ
100
1
Χ
10
1
"
Χ
10
5 "
Χ
100
5
X1
K
5
Χ
10
Κ
5 "
Χ
100
Κ
5 "
SG
502
MUL
TI
PL
I
ER
SG
502
FRE
Q
UEN
CY
Hz
d
ial
Co
un
te
r
R
AT
E
Switc
h
Cou
n
ter
R
eadi
ng
Χ
100
Κ
5
10'
1
.80-2
.20
μ
s
Χ
10
Κ
5 10
3
18
.0-22
.0
μ
s
Χ
1
Κ
5 10
3
190-210
μ
s
Χ
100
5
1 1
.90-2
.10
ms
Χ
10 5
1
19
.0-21
.0
ms
Χ
10
.5
1
190-210ms
Χ
100
.5
1
19
.0-21
.0
ms
Χ
1
Κ
.5
1 1
.90-2
.10
ms
Χ
10
Κ
.5
10
3
190-210
μ
s
Χ
100
Κ
-
.5
10'
18
.0-22
.0
μ
s
Χ
100
Κ
1
10'
9
.00-11
.0
μ
s
Χ
10
Κ
1
10
3
95
.0-105
μ
s
Χ
1
Κ
1 1
.095-1
.05
ms
Χ
100
1 1
9
.50-10
.5
ms
Χ
10
1
1
95
.0
-105ms
4
.
C
h
ec
k
Attenuation
;
10,
20, a
n
d
40
dB
ste
p
s
wit
h
in
f2%
ο
for
eac
h
step
.
α
.
Set
SG
502
FRE
Q
UEN
CY
d
ial
to
1
.
b
.
Set
SG
502
MUL
TI
PL
I
ER
switc
h
to
Χ
l
Κ
(push
but-
to
n
i
n)
.
c
.
Ad
j
ust
SG
502
V
A
R
A
MPL
IT
UD
E
control
for
α 5
divisio
n
display
on
test
oscillosco
pe
.
d
.
Set
SG
502
ST
EP
ΑΤΤΕΝ
switch
to
10
(
push
butto
n
ίη
)
.
e
.
Set 5
Α
13
ΝV
olts/Div
switc
h
to
0
.5
V
/Div
.
f
.
C
HE
C
K
-Dis
p
lay
on
test
oscillosco
p
e
is
between
3
.1
an d 3
.3
d
ivisio
ns
i
n
am
p
litude
.
g
.
Set
SG
502
STEP
ΑΤΤΕΝ
switch
to
20
(
p
us
h
butto
n
ίη
)
.
h
.
P
ush an
d
release
SG
502
ST
EP
ΑΤΤΕΝ
10
switc
h
(
p
ushbutton o
ut)
.
i
.
Set 5
Α
13
ΝV
olts/Div
switc
h
to
0
.1
V
.
j
.
C
HE
C
K
-Dis
p
lay
on
test
oscillosco
pe
is
between
4
.9
an
d
5
.1
d
ivisions
in
am
p
litu
d
e
.
k
.
Set
SG
502
STEP
ΑΤΤΕΝ
switc
h
to
40
(pus
h
butto
n
ίη
)
.
Ι .
Pu
sh
a
nd
release
SG
502
ST
EP
ΑΤΤΕΝ
20
switc
h
(p
us
hb
utto
n
out)
.
η
.
C
HE
C
K
-Displayon
test
oscilloscope
is
betwee
n
4
.9
an
d
5
.1
divisio
ns
in
am
p
lit
ud
e
.
q
.
Ad
j
ust
SG
502
V
AR
A
MPL
IT
U
D
E
slowly
cou
n
tercloc
kwise
and
o
b
serve
display
on
test
os-
cillosco
p
e
for
α
smoot
h d
ecrease
i
n
am
p
litude
.
m
.
Set 5
Α
13
ΝV
olts/Div
switc
h
to
10
mV
.
ο
.
Set
5
Α
13
Ν
V
olts/Div
switc
h
to
1
V
.
ρ
.
Pu
sh
a
nd
release
SG
502
ST
EP
ΑΤΤΕΝ
40
switc
h
(pus
h
butto
n
out)
.
r
.
Set
SG
502
V
A
R
A
MPL
IT
U
D
E
fully
cloc
kwise
.
Specifications
a
nd
P
erforma
nce
C
h
ec
k
-SG
502
5
.
C
h
ec
k
H
um/
N
oise
;
is
less
t
h
a
n 0
.1
ο
/
ο
of
rate
d
output
.
α
.
A
dj
ust
SG
502
VAR
A
MPL
IT
UD
E
fo
r
α
6-
d
ivisio
n
dis
p
lay
on
t
he
test
oscillosco
pe
.
b
.
Set
SG
502
FRE
Q
UEN
CY
dial
to5a
nd
MULTIPLIER
switc
h
to
Χ
10
(
pus h
butto
n
i
n)
.
c
.
Set
t
he
time-base
sweep
rate
to
20
ms
.
d
.
Set
t
h
e
5
Α
13
Ν
-
Input
to
V
c
(pushbu
tton
in),
a
nd
t
he
V
olts/Div
switch
to
5
mV
.
e
.
Ad
j
ust
t
h
e
5
Α
13
Ν
Compariso
n
V
oltage
F
i
ne co
n
trol
to
p
ositio
n
t
he
to
p
of
t
he
trace
to
t
he ce
n
ter
of
t
h
e
graticule
area
.
f
.
C
HE
C
K
-
H
um/
N
oise
is
less
t
ha
n
1
.2
division
.
g
.
Set
t
he
time-base
sweep
rate
to
10
ms
.
h
.
Set
t
he
SG
502
MUL
TI
PL
I
ER
switc
h
to
Χ
100
(p
u
s
h
butto
n
in)
.
i .
C
HE
C
K
-
H
um/
N
oise
is
less
t
ha
n
1
.2
d
ivisio
n
.
j .
Set
SG
502
MUL
TI
PL
I
ER
switc
h
to
Χ
1
Κ
(pus
hb
utto
n
in)
.
k
.
C
HE
C
K
-
H
um/
N
oise
is
less
t
han
1
.2
d
ivision
.
Ι .
Set
SG
502
MUL
TI
PL
I
ER
switc
h
to
Χ
10
Κ
(
push
but-
to
n
in)
.
m
.
Set
t
he
time-base
swee
p
r
ate
to
5
ms
.
η
.
Set
t
he 5
Α
13
Ν
Compariso
n
V
oltage
F
i
ne cont
r
ol
so
t
h
e
V
olts
dis
p
lay rea
ds
3
.00,
t
hen a
dj
ust
t
he
control
countercloc
k
wise
to
p
osition
t
he top
of
t
h
e
trace
to
t
h
e
ce n
ter
of
graticule
a
r
ea
.
ο
.
C
HE
C
K
-
H
um/
N
oise
is
less
t
han
1
.2
d
ivision
.
ρ
.
Set
SG
502
MUL
TI
PL
I
ER
switc
h
to
Χ
100
Κ
(pushbutto
n
i
n)
.
q
.
C
HE
C
K
-
H
um/
N
oise
is
less
t
han
1
.2
d
ivisio
n
.
r
.
R
emove
t
h
e
50
Ω
cable
from
t
he 5
Α
13
Ν
+
In
pu
t
.
s
.
Set
t
h
e
5
Α
13
Ν-
Input
to
G
ND
.
Sp
ecificatio
n
s a
n
d
P
erfo
r
mance
C
heck
-SG
502
6
.
C
h
ec
k
H
armo
n
ic
Distortio
n
;
is
less
t
h
an
0
.035%
from
20
Hz
to
50
kH
z
;
less
t
ha
n
0
.15% over
t
he
remai
n
i
n
g
frequency
range
.
ΗΡ
334
Α
Distortio
n
Analyze
r
L
i
n
e
ON
I
nput
N
o
r
m
Function
Set L
evel
Se
n
sitivity
M
i
n
V
er
n
ie
r
mi
d
ra
n
ge
M
o
d
e
A
u
tomatic
F
re
qu
ency
5
H
z
Fr
e
que
n
cy
R
a
n
ge
1
Hz
B
ala
nce
Coarse
an
dF
i
n
e
midrange
H
ig
h
P
ass
F
ilter
O
U
T
M
eter
Ra
n
ge
Set
L
evel
b
.
Co
nnect α
Banana
p
lug
to
BN
C
a
d
ap
ter
to
t
he
A
n
alyzer
I
NPU
T
.
ε
.
Co
nn
ect
α
600
Ω
termi
n
atio
n
to
t
h
e
Banana
p
lug
to
BN
C
ad
a
p
te
r
.
d
.
Co
nn
ect
α 50
Ω
cable
from
t
he
SG
502
si
n
e-wave
o
u
t
p
ut
conn
ector
to
t
he
600
Ω
te
r
minatio
n
.
e
.
Set
t
h
e
A
n
alyzer
Se
n
sitivity
an
d
V
er
n
ier
for
α
meter
r
ead
i
n
g
of
1
on
t
he 0
to
1
scale
.
f
.
Set
A
n
alyzer
F
unctio
n
control
to
Distortio
n
.
g
.
A
dju
st
A
nalyze
r
F
reque
ncy d
ial
an
d
B
ala
nce
con-
trols
for
minim
u
m
rea
d
i
n
g
on
t
h
e
meter
.
h
.
Set
t
h
e
A
n
alyzer
M
ete
r
R
a
n
geco
n
trol
to
.3
on
t
he
perce
n
tage
scale
.
i .
C
HE
CK
-A
n
alyzer
meter
reads
less
t
h
an
1
.5
on
t
h
e
0
to
3
scale
.
j .
Set
A
n
alyzer
M
eter
R
a
n
ge
a
nd
t
he
F
u
n
ction
controls
to
Set
L
evel
.
k
.
Set
SG
502
F
re
q
ue ncy d
ial
to 2,
and
t
he
MUL
TI
PL
I
ER
switc
h
to
Χ
100
.
Ι .
Set
Analyze
r
F
re
qu
ency d
ial
to
ap
proximately
20
;
set
A
n
alyzer
F
re
quency
R
ange
control
to
Χ
10
(fre
q
uency
200
Hz)
.
2-6
m
.
Set
A
n
alyzer
V
e
rn
ier
co
n
trol
for
α
meter
rea
d
i
n
g
of
1
on
t
he
0
to
1
scale
.
η
.
Set
A
n
alyzer
Fun
ction
co
n
trol
to
Distortio
n
.
r
.
Set
A
n
alyzer
M
eter
R
ange
a
n
d
Fu
nctio
n
co
n
trols
to
Set
L
evel
.
s
.
Set
SG
502
FRE
Q
UEN
CY
d
ial
to
5,
a
nd
t
he
MUL
TI
PL
I
ER
switc
h
to
X1
K
.
t
.
Set
Analyzer
F
re
q
ue
ncy
dial
to
ap
p
roximately
50
.
υ
.
Set
A
n
alyzer
Fr
eq u
ency
R
an
ge co
n
t
r
ol
to
Χ
100,
(fre
q
ue
ncy 5
kHz)
.
ν
.
R
e
p
eat
p
arts
m, η
,
ο
,
and
ρ
of
t
h
is
ste
p
.
ω
.
C
HE
C
K
-Analyzer
meter
rea
d
s
less
t
h
a
n
.035
on
t
h
e
0
to
.1
scale
.
χ
.
Set
Analyzer
M
ete
r
R
ange a
nd
F
un
ctio
n
co
n
trols
to
Set
L
evel
;
set
A
n
alyze
r
F
re
q
ue
n
cy
R
an
geco
n
t
r
ol
to
X1
K
(freque
n
cy 50 kHz)
.
γ
.
Set
SG
502
MUL
TI
PL
I
ER
switch
to
Χ
10
Κ
.
τ
.
R
e
p
eat pa
r
ts
m, η
,
ο
,
a
nd
ρ
of
t
h
is
step
.
αα
.
C
HE
CK
-Analyzer
mete
r
reads
less
t
ha
n
.035
on
t
h
e0
to
.1
scale
.
ab
.
Set
A
n
alyzer
M
eter
R
ange
and
F
unctio
n
co
n
trols
to
Set
L
evel
.
ac
.
Set
SG
502
MUL
TI
PL
I
ER
switch
to
Χ
100
Κ
.
ad
.
Set
A
n
alyze
r
F
re
qu
en
cy
R
an
ge
co
n
trol
to
Χ
10
Κ
,
(fre
quen
cy
500
kHz)
.
ae
.
R
epeat
parts
m,
η
,
an
dο
of
t
h
is
ste
p
.
af
.
Set
Analyzer
M
ete
r
R
a
nge
control
to
.3
on
t
he
p
ercentage
scale
.
ag
.
C
HE
C
K
-A
n
alyzer
meter
reads
less
t
h
a
n
1
.5
on
t
he
0
to
3 scale
.
ah
.
R
emove
t
h
e
600
Ω
termination
and
50
Ω
ca
b
le
from
t
h
e
SG
502
and
t
h
e
A
nalyze
r
.
REV
Α
,
JUN
1978
α
.
P
reset
t
h
e
followi
n
g
SG
502
f r
o
n
t-
p
a
n
el
co
n
trols
settings
:
Oscillator
ο
.
A
dj
ust
A
n
alyzer
F
re
qu
ency
d
ial
a
nd B
ala
nce
co
n
-
trols
for
m
i
n
imum
r
eadi
n
g
on
t
h
e
meter
.
VAR
A
MPL
IT
U
D
E
f
u
lly
cloc
k
wise
ρ
.
Set
A
nalyze
r
M
eter
R
an
ge
co n
trol
to
.1
on
t
he
MUL
TI
PL
I
ER
switc
h
Χ
10
(push
b
utto
ι
i,?
η
)
p
e
r
ce
ntage
scale
.
STEP
ΑΤΤΕΝ
pus
hb
utto
ns
out
FRE
Q
UEN
CY
Hz
d
ial
.5
q
.
C
HE
C
K
-A
n
alyze
r
meter
rea
d
s
less
than
.035
on
the
0
to
.1
scale
.
7
.
C
h
ec
k
Squa
r
e-wave
am
p
litude
;
2
.5
V
into
600
Ω
,
8
.
C
h
ec
k
S
q
uare-wave
rise
a
nd
fall
time
;
50
ns
or
wit
h
i
n
250
m
V
.
less
.
α
.
Pr
eset
t
h
e
followi
ng
fro
n
t-
p
a
n
el
con
t
r
ol
setti
n
gs
:
α
.
L
eave
con
trols
of
test
e
q
uipme
n
t
a
nd
ca
b
le
co
nn
ec-
tio
n
s
as
d
escribed
i
n
ste
p
7 α
t
h
roug
h
e
.
Oscillosco
p
e
I
n
te
n
sity,
F
ocus
Set
for well-
d
efi
ne
d
t r
ace
a
nd n
ormal
b
r
ig
h
t
n
ess
.
Diffe
r
en
t
i
al
Compa
r
ator Plug-in
V
olts/Div
50
m
V
V
a
r
ia
b
le
fully
cloc
k
wise
(cal)
b
.
Co
nn
ect
α600
Ω
termi
n
atio
n
to
t
he
SG
502
s
q
uare-
wave
ou
t
p
ut
co
nn
ector
.
ε
.
Co
nn
ect
α
10
Χ
p
r
o
b
e to
t
he5Α13
Ν
+I
n
p
u
t
co
n
nec-
to
r
.
d
.
Co
nn
ect
t
he p
r
obe
gro
und
clip
to
t
h
eo
u
te
r
portio
n
of
t
h
e
600
Ω
termi
n
ation
.
e
.
Co
nn
ect
t
h
e
pr
obe
ti
p
to
t
he
in
n
e
r
co
nn
ector
of
t
h
e
600
Ω
te
r
mi
n
atio
n
.
f
.
C
HE
C
K
-Dis
p
lay
on
test
oscillosco
p
e
is
b
etwee
n
4
.5
a
nd
5
.5
d
ivisio
n
i
n
amplit
ude
.
REV
Β
,
JUN
1978
S
p
ecificatio
n
s
a
n
d
P
erfo
r
ma
n
ce
C
h
eck
-SG
502
b
.
Set
5
Α
45
V
olts/Div
switc
h
to
20
m
V
.
ε
.
Ad
ju
st
t
he
5
Α
45
V
a
r
iable
con
t
r
ol
fo
r
α
6-
d
ivisio
n
d
is
p
lay
.
d
.
Set time-base
Time/Div
switc
h
to
50 ns
.
e
.
C
HE
C
K
-
W
aveform
rises
from
its
10%
to
90°/
ο
p
oi
n
t
2-
7
+
I
n
put
-
I
npu
t
Time
DC
G
N
D
B
ase
Plug-in
wit
h
i
n 50
ns
(1
divisio
n
)
.
f
.
A
dj
ust
t
h
e
time-base
L
evel/Slope
con
trol
to
its
n
egative
slope
regio
n
.
Ti
m
e/Div
1
ms
g
.
C
HE
C
K
-
W
aveform
falls
from
its
90
ο
/ο to
10%
p
oi
n
t
V
aria
b
le
f
u
lly
cloc
k
wise
(cal)
wit
h
i
n
50
ns
(1
d
ivisio
n
)
.
T
r
igge
r
i
ng
L
evel/Slo
p
e p
ositive
slo
p
e
region
h
.
R
emove
all
co
nn
ectio
n
s
f
r
om
t
h
e
SG
502
a
n
d
5
Α
45
.
M
o
d
e
A
U
TO
T
R
IG
Co
up
li
n
g
AC
So
ur
ce
I
n
te
rn
al
Th
is
com
p
letes
t
h
e p
erfo
r
ma
nce
c
h
eck
of
t
he
SG
502
.
P
ositio
n
Set
so
t
r
ace
starts
at
left
si
de
of gratic
u
le
.
Sw
p
M
ag o
u
t
SG
502
FR
E
Q
UEN
CY
H
z
dial
5
MUL
TI
PL
I
ER
Switc
h Χ
100
Κ
(
p
us
hb
utto
n
i
n)
WARNING
THE
FOLLOWING
SERVICING
INSTRUCTIONS
ARE
FOR
USE
BY
QUALIFIED
PERSONNEL
ONLY
.
T
O
AVOID
PERSONAL
INJURY,
DO
NOT
PERFORM
ANY
SERVICING
OTHER
THANTHAT
CONTAINED
IN
OPERATING
INSTRUCTIONS
UNLESS
YOU
ARE
QUALIFIED
TO
DO
SO
.
Int
r
oductio
n
T
h
is
a
dj
ustme
n
t
p
roce
dur
e
is
to
be
u
se
d
to
r
estore
t
he
SG
502
to
its
o
r
iginal
p
erforma
n
ce
specificatio
n
.
A
dju
st-
m
en
t
n
eed
n
ot
b
e
p
erfo
rm
ed
u
n
less
t
h
e
i
n
st
r
u
m
e
n
t
fails
to
meet
t
h
e
re
q
ui
r
eme
n
ts liste
d
in
t
he
Specificatio
n
sectio
n
,
o
r
t
h
e
P
erfo
r
ma
n
ce
C
h
ec
k
cann
ot
b
e
com
p
leted satisfac-
torily
.
Com
p
letio
n
of
all
ad
j
ustme
n
t
ste
p
s
i
n
t
h
is
pr
ocedu
r
e
en
su
res
t
h
at
t
he
i
n
strume
n
t
will
meet
t
h
e
p
e
r
forma
n
ce
r
eq
ui
r
eme
n
ts liste
d
in
t
h
e
Specificatio
n
sectio
n
.
H
owever,
to
f
u
lly
ensu
r
e
satisfactory
performa
n
ce,
it
is
recommend-
ed
t
h
at
t
he P
e
r
forma
n
ce
C
h
ec
k
be
performe
d
afte
r
any
ad
j
ustme
n
t
is
m
ad
e
.
Services
Available
Te
k
t r
o
n
ix,
I
n
c
.
p
rovi
d
es
co
mp
lete
inst
ru
me
n
t
r
epai
r
a
n
d
a
dj
ustme
n
t
at
local
F
iel
d
Service
Ce
n
ters
an
d
at
t
he
F
actory Service
Ce
n
ter
.
Co
n
tact
your
local
Te
k
tr
o
n
ix
F
iel
d
Office
o
r
re
pr
ese
n
tative
fo
r f
u
rt
he
r
i
n
for
m
atio
n
.
Test
Equ
i
p
me
n
t
R
eq
u
i
r
ed
T
he
followi
ng
test
e
quipme
n
t
is
r
e
qu
i
r
ed
to
p
erfo
r
m
t
he
A
dj
ustme
n
t
P
roced
u
re
.
Α
d
o
voltmete
r
wit
h
t
h
e
followi
n
g
s
p
ecificatio
ns
is
r
eq
ui
r
e
d
fo
r
c
hecking
t
h
e d
o
p
ower
s
upp
lies
:
R
an
ge
:
±20
volts
;
Accuracy
:
1%
or
b
ette
r
;
R
ecomme
nd
ed
e
q
uipment
:
Te
k
tr
o
n
ix
D
M
501
Digital
Mu
ltimete
r
.
Α
flexible
p
l
u
g-in exte
nd
er,
Te
k
tro
n
ix
P
art
No
.
067-
0645-01,
is
u
sef
u
l
fo
r
tro
ub
les
h
ooti
n
go
r
a
dju
sti
n
g
t
he
SG
502
;
h
oweve
r
,
t
he
com
p
lete
A
dj
ustme
n
t
Pr
oce
du
r
e
can
be
p
erfo
r
me
d
wit
h
o
u
t
u
se
of
t
he
exte
nd
e
r
.
Α
TM
500-se
r
ies
P
owe
r
M
o
d
ule
is
r
e
qu
i
r
ed
fo
r
troubles
h
ooti
ng
o
r
a
dj usti
ng
t
he
SG
502
.
R
ecomme
n
de
d
e
qu
i
pm
e
n
t
:
Te
k
t
r
on
ix
TM
503
.
P
re
p
aratio
n
Sectio
n
3-SG
502
AD
JU
ST
MEN
T
α
.
R
emove
t
h
e
left si
d
e
cove
r
of
t
h
e
SG
502
to
gai
n
access
to
t
he
com
p
o
ne
n
t
si
de
of
t
he
ci
r
c
u
it
boa
r
d
.
Pull
the
r
ear
e
nd
of
t
he
si
de
cove
r
outwar
d
f
r
om
t
h
e
side
of
t
he
i
n
st
r
ume
n
t
(t
h
e
cove
r
s
na
ps
i
n
to
p
lace)
.
b
.
If
t
he
SG
502
is
to
be ad
j
uste
d
wit
h
o
u
t
use
of
t
he
flexible
p
lug-i
n
exten
d
e
r
,
r
emove
t
h
e
P
owe
r
M
od
u
le
ca
b
i
n
et
cove
r
.
ε
. I
n
stall
t
h
e
SG
502
i
n
to
t
he
left
P
owe
r
M
o
du
le
com
p
artme
n
t,
or
if
app
r
o
pr
iate,
co
nn
ect
t
h
e
SG
502
to
t
he
Power
M
od
u
le
b
y
mea
ns
of
t
he
flexi
b
le pl
u
g-i
n
exte
nder
.
d
.
Set
t
h
e
P
ower
M
o
du
le
for
t
h
e
li
n
e
voltage
to
b
e
ap
p
lie
d
(see
P
ower
M
od
ule
ma
nu
al)
an
d
con
n
ect
it
to
t
he
li
n
e
voltage
so
ur
ce
.
Be sure
t
h
at
t
he
p
ower
switc
h
is
off
.
e
. I
n
stall
all
TM
500-se
r
ies
eq
u
i
pm
ent,
i
n
cludi
n
g
t
he
SG
502
i
n
to
t
he
P
ower
M
odule
.
f
.
Co
nn
ect
all
test
eq
ui
p
ment
to
α
suita
b
le
li
ne
voltage
so
urce
.
g
.
T
u
r
n
on
all
test
e
qu
i
p
ment
a
n
d
allow
at
least
twe
n
ty
mi
nu
tes for
t
h
e
e
qu
i
pm
e
n
t
to
warm
up
a
nd
sta
b
ilize
.
I
n
itial
Control
Settings
Set
t
h
e
followi
ng
co
n
trols
duri
ng
warm-up
time
:
SG
502
Oscillato
r
VA
R
A
MPL
IT
UD
E
f
u
lly
cloc
kwise
MUL
TI
PL
I
ER
switch
Χ
100
Κ
(push
butto
n
in)
STEP
ΑΤΤΕΝ
all
push
butto
ns
ou
t
FRE
Q
UEN
CY
Hz
d
ial
any
p
ositio
n
Ad
j
ustment-SG
502
1
.
C
h
ec
k
P
ower
Su
p
ply
V
oltages
α
.
Co
nnect
t
h
e
digital
voltmeter
between
+20
V
test
poi
n
t
on
t
he
circuit
b
oard,
an
d c
h
assis
grou
n
d
.
See
Fig
.
3-
1
fo
r
voltage
test
poi
n
t
locatio
n
.
b
.
C
HE
C
K
-
F
or
α
meter
reading
of
+21
.0
to
+19
.0
volts
.
c
.
R
epeat
p
art
α
of
t
h
is
step
for
t
h
e
-20
volt
su
p
ply
.
d
.
C
HE
C
K
-
For α
meter
reading
of
-21
.0
to
-19
.0
volts
.
3-
2
e
.
Disconnect
t
h
e
d
igital
voltmeter
.
2
.
Ad
j
ust
AGC
V
oltage
α
.
Co
n
nect
t
he
d
igital
voltmeter
between
t
h
e
AGC
test
p
oi
n
t
on
t
he
circuit
board,
and ch
assis
groun
d
.
See
Fig
.
3-
1
for
test
poi
n
t
location
.
b
.
Set
t
he
Oscillato
r
FRE
Q
UEN
CY
Hz
d
ial
to
5,
t
h
e
VA
R
A
MPL
IT
UD
E
control
fully
cloc
k
wise,
an
d
p
ress
in
t
he
Χ
100
Κ
MUL
TI
PL
I
ER
pus
hbutton
.
All
STEP
ΑΤΤΕΝ
p
us
h
button
s
must
be out
.
c
.
AD
JU
ST-AGC
Ad
j
ust,
R
115,
for
α
meter
readi
n
g
of
-2
.5
volts
.
See
F
ig
.
3-1
for
ad
j
ustme
n
t
location
.
d
.
Disco
n
nect
t
he d
igital
voltmeter
.
+20
V
Test
3
.
Ad
j
ust
Output
V
oltage
F
ig
.
3-1
.
L
ocation
of
test
p
oi
n
ts,
AGC
a
nd
Gain
ad
ju
stmen
ts
.
α
.
Co
nn
ect
an ac
voltmeter
betwee
n
t
h
e
si
n
ewave
outp
ut
BN
C
connector
on
t
he
front
p
anel
a
nd ch
assis
grou
n
d
.
b
.
Turn
t
he
V
A
R
A
MPL
IT
U
DE
co
n
trol
fully
cloc
kwise
and
c
heck
t
h
at
all
ST
EP
ΑΤΤΕΝ
p
us
h
butto
ns
a
r
e out
.
c
.
Set
t
he
FRE
Q
UEN
CY
Hz
dial
and
t
he
MUL
TI
PL
I
ER
pushbuttons
for
α
1
kH
z
sig
n
al
.
d
.
AD
JU
ST-Gain
Ad
j
ust,
R
191,
for
α
meter
r
ea
d
i
ng
of
5
volts,
rms
.
See
F
ig
.
3-1 for
ad
j
ustme
n
t
locatio
n
.
e
.
Connect
α
600
Ω
terminatio
n
to
t
h
e
BN
C
sinewave
output
connector
.
f .
Con
nect
an
ac voltmete
r
betwee
n
t
he
600
Ω
termina-
tion
an
d
ch
assis
grou
nd
.
h
.
Disco
n
nect
t
he
voltmeter and
remove
t
he
600
Ω
termi
n
atio
n
.
T
h
is
com
p
letes
t
he
Ad
j
ustme
n
t
proce
d
ure
of
t
h
e
SG
502
Oscillator
.
g
.
C
HE
C
K
-
F
or
α
meter
readi
ng
of
2
.5
volts,
rms
.
R
191
Gai
n
A
dju
st
P
reve
n
tive
M
aintenance
T
here are
no
special
p
reve
n
tive
mai
n
tenance
p
rocedures
t
h
at
apply
to
t
he
SG
502
.
R
efer
to
t
he P
ower
M
od
u
le
i
n
struction
ma
nu
al
fo
r
ge
n
eral
p
reventive
maintena
n
ce
proce
d
ures
and
instr
u
ctio
ns
.
Corrective
M
ai
n
tenance
R
efer
to
t
he
P
ower
M
o
du
le
i
n
st
ru
ctio
n
ma
n
ual
for
ge
n
e
r
al
corrective
mai
n
te
n
an
ce
proced
u
r
es
a
nd
i
n
struc-
tio
ns
.
T
r
ou
b
les
h
ooti
ng
U
se
t
he P
erforma
nce
C
h
ec
k
,
Ad
ju
stment
P
roce
d
ure,
a
nd
Circuit
Descri
p
tion
as
ai
d
s
to
locate
trouble
i
n
t
he
eve
n
t
of
e
quipme
n
t
failu
r
e
.
T
he
test
e
qu
ip
m
ent
listed
i
n
t
he
Pe
r
fo
r
ma
nce
C
heck and
A
dj
ustme
n
t
P
roced
u
res
will
p
rove
useful
i
n
trou
b
les
h
ooti
n
g
t
h
e
SG
502
.
M
AI
N
T
EN
A
N
C
E
A
N
D
I
NT
ERF
ACI
N
G
I
NF
O
RM
ATION
F
u
n
ctions
Available
at
R
ea
r
Co
nn
ector
Con
tact
28
Α
27
Α
26
Α
25Β
25
Α
24
Β
Assign
m
e
n t
Si
n
e
W
ave
O
u
t
Sine
W
ave
O
u
t
G
ro
un
d
Sy
n
cOut
G
r
o
un
d
Sync
i
n
(
N
ot
F
actory
W
i r
ed
)
Sy
n
c
O
u t
(S
qu
a
r
ewave
o
u
t
Β070750
&
b
elow)
Sy
nc
Gro
und
(
N
ot F
actory
W
i
r
e
d
)
1430-06
F
ig
.
4-
1
.
I
npu
t/O
u
t
pu
t
assig
nm
e
n
ts
at
r
ea
r
conn
ecto
r
.
Sectio
n
4-SG
502
Α
slot
b
etwee
n
p
i
ns
23
a
nd 24on
t
h
e
rear
con
nector
ide
n
tifies
t
he
SG
502
as
α
member
of
t
he
sig
n
al
so
ur
ce
fa
m
ily
. I
n
sert
α
barrie
r
i
n
t
h
e
correspo
n
di
ng p
osition
of
t
h
e
P
ower
M
o
du
le
j
ack
to
p
r
eve
n
t
ot
h
er
t
h
a
n
sig
n
al
sou
r
ce
pl
u
g-i
ns
from
bei
n
g
use
d
i
n
t
h
at
com
p
artment
.
T
h
is
protects
t
he p
lug-in
sh
ou
l
d
specialize
d
connectio
ns b
e
ma
d
e
to
t
h
at
com
p
artment
.
Co
n
sult
t
he
B
uildi
n
g
A
System
section
of
t
h
e
P
owe
r
M
o
d
ule
ma
n
ual for
furt
h
e
r
i
n
forma-
tio
n
.
Signal
o
u
tputs,
or ot
h
er
specialized
con
n
ectio
n
s,
are
made
to
t
h
e
rear
i
n
terface
co
nn
ectors
as sh
ow
n
i
nF
ig
.
4-1
.
T
he
Sy
nc
In
a
nd
Sync
Groun
d are
n
ot
factory
wired
.
T
he
Sy
n
c
Out
sig
n
al
is
α
si
n
e
wave
of
t
h
e
same
f
r
eq
u
ency
as
t
h
e
outp
u
t
sig
n
al
.
It
h
as an
am
p
litude
of
at
least
1
V
r
ms,
w
h
ic
h
is
esse
n
tially
co
n
sta
n
t
over
t
h
ee
n
tire
f
r
eque
n
cy
ra
n
ge
.
T
h
e
sou
r
ceim
p
eda
n
ce
is
1
k
Ω
.
U
se
t
h
is
signal to
trigge
r
exte
rn al
devices
suc
h as oscilloscopes
or
co
un
ters
etc
.
Intro
du
ctio
n
T
h
is
sectio
n
of
t
he
m
a
n
ual
co
n
tai
n
s
α
d
esc
r
i
p
tio
n
of
t
he
circuitry
u
sed
i
n
t
he
SG
502
Oscillator
i
n
divi
du
al
d
escrip-
tions
a
r
e
sep
a
r
ate
d
i
n
to
t
he
followi
ng
parts
:
Sy
nc
I
npu
t,
Oscillator Amplifier,
AutomaticGai
n
Co
n
trol,
F
re
q
ue
n
cy
Co
n
t r
ol,
B
uffer
Am
p
life
r
,
Atte
nu
ato
r
,
S
qu
a
r
e-
W
ave
O
u
t-
pu
t,
a
nd
P
ower
Supply
.
R
efer to
t
h
e
ap
p
ro
p
riate
diag
r
ams
i
n
t
h
e
Diagrams
sectio
n
of
t
h
is
manual
w
h
ile
readi
n
g
t
h
e
circ
u
it
d
esc
r
iption
.
Sync
In
p
ut
T
he
Sy
n
c
I
npu
t
sig
n
al is
a
pp
lied
to
t
h
e+si
d
e
(Q10A)
of
t
he
oscillato
r
am
p
lifie
r
t
h
ro
ugh
C10
and
R
10
.
Oscillator
Amplifier
D
u
al
FE
T's
010
Α
a
n
d
Q10
B
pr
ovi
d
e
d
iffe
r
ential
am
p
lificatio
n
,
wit
h
Q70,
R
71,
R
73 a
n
d
R
75
serving
as
t
h
eir
co
n
sta
n
t
cur
r
ent
source
.
T
h
e
FE
T's
drive
diffe
r
ential
tra
n
sisto
r
s
Q20
an
d
Q24,
wit
h
Q30,
R
32,
R
35,
an
d
R
36
servi
ng
as
t
h
eir
co
n
sta
n
t
c
ur re
n
t
sou
r
ce
.
Q86
su
pp
lies
co
n
sta
n
t
cu
r
r
ent
to
emitte
r
-followe
r
Q80,
w
h
ic
h
d
r
ives
o
u
t
pu
t
emitte
r
-followers
Q82
an
d
Q88
.
P
ositive
feedbac
k
fo
r
oscillatio
n
occ
u
rs
t
hr
oug
h
R
117
a
nd
C12
.
Automatic
Gain
Cont
r
ol
(AGC)
P
ea
k
d
etecto
r
Q90
an
d
FE
T
Q110
com
p
ose
an
automatic
gain
co
n
t
r
ol
circuit
.
T
he
FE
T
ope
r
ates
as α
va
r
iable resisto
r
in
α d
ivider
co
n
figuration
composed
of
R
115
(AGC
ad
j
ust
m
en
t),
R
116,
a
nd
R
117
.
T
he
divide
r
is
co
nnecte
d
from
t
h
e
out
p
ut
of
t
he
oscillato
r
amplifier
to
grou
nd
,
a
nd
varies
t
h
e
amou
n
t
of
p
ositive
fee
d
bac
k
.
Voltage
at
t
he gate
of
Q110
is
p
r
oportio
n
al
to
t
he
pea
k
si
n
e-wave
am
p
litude
.
T
he s
hun
t
ca
p
acitors
p
r
ovi
d
e
smoot
h
i
ng
at
t
he
va
r
io
us
f r
eq
ue
n
cies
.
Fr
e
q
uency
Co
n
t r
ol
T
he
o
u
tp
u
t
from
Q82
a
nd
Q88
is
fed
bac
k
to
t
h
e mi
n
us
i
npu
t
(Q10
B
)
of
t
h
e
oscillator
am
p
lifier
as
n
egative
fee
db
ack
t
hr
o
u
g
h
t
h
e
b
r
idge
d
Τ
n
otc
h
filte
r
.
M
i
n
im
u
m
voltage
t r
a
n
sfer
occ
ur
s
at
t
he
o
u
t
p
ut
f
r
e
q
ue
n
cy
.
Ad
ju
sti
n
g
t
h
e
ga
n
ged
co
n
trols
R
50A
a
nd
R
50
B
(la
b
eled
FRE-
Q
UEN
CY
Hz
a
nd
located
on
t
h
e
fro
n
t
p
anel)
varies
t
h
e
n
otch
f
r
e
qu
e
n
cy
.
B
uffer
Amplifier
Atte
n
uator
Sectio
n
5-SG
502
CI
R
C
U
IT
D
E
SC
R
I
P
TIO
N
T
h
e
bu
ffer
am
p
lifier
(Q120,
Q128,
a
nd
Q130)
pr
ovi
des
isolatio
n
b
etwee
n
t
he
oscillator
am
p
lifie
r
a
nd
t
he outp
ut
circuit
r
y
.
0120
a
nd
Q128
fo
r
m
α
diffe
r
e
n
tial
am
p
lifier
su
pp
lie
d
by
α
consta
n
t
c
ur
re
n
t
so
ur
ce
0130,
R
130,
R
132,
a
nd
R
133
.
T
h
e
collector
of
Q120
d
rives
t
h
e
b
ase
of
Q140,
casco
d
ed
wit
h
Q145
.
T
h
e
collector
of
Q145
dr
ives
Q150
and
Q154
i
n
α
commo
n
emitte
r
co
n
figu
r
atio
n
.
C
R
150
an
d
CR
154
pr
ovide
pr
op
er
biasi
ng
.
N
egative
fee
db
ack
occ
urs
t
hroug
h
C120
.
Gain
is
set
b
y
Gai
n
A
dj
ust
191
.
F
our
Τ
sectio
n
s,
t
hr
ee
fixed
a
nd
one
va
r
ia
b
le,
com
pr
ise
t
h
e
co
nstant-imped
a
nce
600
Ω
atte
nu
ator
.
R
160
d
ete
r
-
mi
nes
t
h
e
in
p
ut
im
pe
d
ance
.
E
ac
h
section
exce
p
t t
h
e
va
r
ia
b
le
is
switc
hable
i
n
or out
to
p
r
ovi
d
e
atte
n
uation
ste
ps
.
Squa
r
e-
W
ave
Output
T
he
out
p
ut
si
n
e-wave
from
t
he
bu
ffe
r
am
p
lifier
is
fe
d
t
hr
o
u
g
h
R
195
to
diodes
CR
195,
C
R
196,
C
R
198,
a
nd
C
R
199,
w
h
ic
h
limit
t
h
e
p
ositive
a
nd
n
egative
excu
r
sio
n
s
.
Collecto
r
s
of
0200
a
nd
Q210,
α
d
iffe
r
en
tial
am
p
lifie
r
,
are
furt
h
er
cla
mp
ed
by
diodes
C
R
200
a
nd
C
R
202
.
T
h
eout
pu
t,
at
600
Ω
,
is
ta
ken
f r
om
t
h
e
collecto
r
of
Q220,
w
h
ic
h
forms
a
d
iffe
r
en
tial
am
p
lifier
wit
h
0230
.
T
h
ei
r
co
n
sta
n
t
cu
r
re
n
t
sou
r
ce
is
s
upp
lied
by
Q235,
R
235,
R
238,
an
d
R
240
.
P
ositive
feedbac
k
from
t
h
e
collecto
r
of
Q230
ensur
es
fast
switc
h
i
n
g
.
Dio
d
es
C
R
210
an
d
C
R
212
limit
t
h
e
voltage
excursions
an
d
e
ns
ur
eo
p
eratio
n
i
n
t
h
e
non-saturated
mo
d
e
.
P
ower
Sup
p
ly
I
nteg
r
ate
d
ci
r
c
u
it
U
320
provides
t
h
e
regulate
d
do
voltage s
upp
ly
for
t
h
e
ci
r
c
u
its
.
Co
n
ductio
n
of
t
h
e
se
r
ies-
pass
t
r
a
n
sistors
i
n
t
he
mai
n
frame
is
cont
r
olled
b
y
t
h
e
current
t
h
roug
h
U
320
.
Th
is
cu
rr
e
n
t
dete
r
mines
t
h
e
voltage
d
r
o
p
ac
r
oss
R
320
an
d
R
340
.
T
h
erefore,
U
320
ca
r
ries
only
part
of
t
he
necessary
cu
rr
e
n
t,
with
t
he
r
emainde
r
b
ei
ng
s
upp
lied
by
t
he se
r
ies-pass
tra
n
sisto
r
s
.
T
he
voltage
d
ro
p
ac
r
oss
R
322
an
d
R
342
activates
h
ard
cu
r
re
n
t-limiti
ng
i
n
U
320
.
R
348
determi
n
es
t
he out
pu
t
voltage,
w
h
ile
C322
a
nd
C342
p
rovide
n
egative
ac
feed
bac
k
for
smoot
h
ing
.
/