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
0°
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 0°
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
.
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