Tektronix 7A17 is a utility plug-in designed for use with Tektronix 7000-series oscilloscopes. It provides 50-ohm, 50-millivolt/division access to either the vertical or horizontal deflection system in the mainframe. It also provides interfacing to the mainframe power supplies, readout encoding circuits, and other functions that allow custom circuit design to meet specific needs. The 7A17 is not factory-equipped with readout, however, access is provided so that readout encoding circuits can be connected.
Tektronix 7A17 is a utility plug-in designed for use with Tektronix 7000-series oscilloscopes. It provides 50-ohm, 50-millivolt/division access to either the vertical or horizontal deflection system in the mainframe. It also provides interfacing to the mainframe power supplies, readout encoding circuits, and other functions that allow custom circuit design to meet specific needs. The 7A17 is not factory-equipped with readout, however, access is provided so that readout encoding circuits can be connected.
Tektronbc@
PLE
AS
E
C
HE
C
KF
O
R
C
H
A
N
G
E
I
NF
O
RM
ATIO
N
AT
THE
RE
A
R
OF
TH
IS
M
A
NU
A
L
.
7
Α
17
A
MPL
I
F
I
ER
I
N
ST
RU
CTIO
N
M
A
NU
A
L
Te
k
t r
on
ix,
Inc
.
Ρ
.
Ο
.
Box
500
B
eave
r
ton,
O
r
ego
n
97077
Serial
N
um
b
er
CO
MM
ITT
E
D
TO
E
XC
ELLEN
C
E
070-1263-00
F
i
r
st Pr
i
n
ti
ng
OCT
1971
Pr
o
du
ct
G
r
o
up 42
R
evise
d
A
PR
1984
Co
p y
r
ig
h
t
C
1971
Tek
t r
o
n
ix,
Inc
.
All rig
h
ts
r
ese
r
ved
.
Co
n
tents
of
t
h
is
p
ublication
may
n ot b
e
r
e
prod
uced
in
any
form
wit h
out
t
h e
writte
n perm
issio
n
of
Te
k tro
n
ix,
I
n c
. .
P
ro
du
cts
of
Te
k
t r
onix,
Inc
.
a n
d
its
subsi
d
ia
r
ies
a
r
e
cove
r
ed
by U
.S
.
and
foreig
n p
ate
n
ts
a
nd
/or
pe
n
di
n g p
atents
.
T
EK
T
RO
N
IX,
ΤΕΚ
,
SCO
PE-M
O
B
I
LE,
a n d
a
r
e
r
egiste
r
e d
t r
a
d
emar
k s of
Te
k
t r
o
n
ix,
Inc
.
T
ELE
Q
U
I
PMEN
T
is
α
registere
d
t r
adema
rk of
Te
k
t
r
on
ix
U
.K
.
L
imite
d
.
Pr
i
n te
d
i
n
U
.S
.A
.
Specificatio
n
an
d
price
cha
n
ge
pr ivileges
are
rese
r
ved
.
I
NST
RUMEN
T
S
ER
IA
L
NUMBER
S
E
ac
h
instr u
ment has
α
serial
nu
m
b
er
on α
p
a6el
i
n
sert, tag,
or
sta
mp
ed
on
t
he
c h
assis
.
T
h
e
fi
r
st
nu
m
b
e
r
o
r
lette
r
d
esig
n
ates
th
e
co un
try
of
ma
nu
fact
ur
e
.
T
he
last
five
d
igits
of
t
h e
se
r ial
nu
m
be
r
a
r
e
assig
n
e
d
sequ
e n
tially
an
d
a
re
u n
ique
to
eac
h
i
n
st
r
ume
n
t
.
Those
m
anufact
ur
ed
in
t
h e
U
nite
d
States
have
six
un
i
que
d
igits
.
T
h
e coun
try of
m
an
ufact
ur e
is
i
d
e n
tifie
d as
follows
:
ΒΟΟΟΟΟΟ
Te
k
t
r
on
ix,
Inc
.,
B
eaverto
n
,
O
r
egon,
U
SA
100000
Te
k
t
r
onix
Gue
rn
sey,
L
td
.,
C
ha
nn
el
Isla
n
ds
200000
Te
k
t r
on
ix
U
nite
d
K
i
n g
dom, L
td
.,
L
ondo
n
300000
So
n
y/Te
k
tronix,
Japan
700000
Te
k
t r
o
n
ix
H
olla
n
d,
NV,
H
eere
n
veen
,
T
h
e
N
et h
e
r
la
nds
TA
BLE
O
F
CO
N
T
EN
TS
P
age
S
PE
CIF
ICATIO
N
O
PER
ATI
NG
I
NSTRU
CTIO
NS
1
CI
R
C
U
IT
O
PER
ATIO
N
1
M
AI
N
T
ENA
N
C
E
CA
L
I
BR
ATIO
N
2
APPL
ICATIO
NS
ELE
CT
R
ICA
L
P
A
RTS
L
IST
DIAG
R
A
M
SAND
CI
RC
U
IT
B
OA
RD
I
LLU
STR
ATIO
NS
MEC
HAN
ICA
L
PARTS
L
IST
7
Α
17
ADD
OCT
1983
7
Α
17
I
N
ST
RU
CTIO
N
M
A
NU
A
L
SPECIFICATION
i
n
stall,
alig
n
t
h
e
upp
e
r
and
lowe
r r
ails
of
t
h
e
7
Α
17
with
t
he
plug-in
co
m
pa
r t
m
ent
t
r
ack
s
an
d
fully
inse
r t it (t
h
e
Ge
n
e
r
al
pl
u
g-i
n p
a
n
el
m
ust
b
e
fl
u
s
h with
t
he
oscilloscope
p
anel)
.
7
Α
17
is
α u
tility
plug-in
d
esig
ned
for
u
se
w
it
h
To
r
e
m
ove, pull
t
he
release
latc
h to
disengage
t h
e 7
Α
17
T
h
e
from
t
h
e
oscilloscope
.
Te
k
t r
onix
7000-se
r
ies
oscillosco
p
es
.
T
h
is
plug-in
pr
ovi
d
es
50-oh
m,
50-
m
illivolt/
d
ivision
access to
eit
he
r t
he ve
r
tical
Controls
and
Connectors
o
r
ho
r
izo
n
tal
d
eflection
syste
m
i
n
t
he
mainframe
.
It
also
p
rovi
d
es
i
n
te
r
facing
to
t
he
mai
nf
r
a
m
e
p
owe
r s
upp
lies,
P
OSITIO
N
P
ositions
the d
is
p
lay
.
rea
d ou
t
en
co
d
ing
ci r
cuits,
an
d
ot
h
er
f
un
ctions th
at
allow
cu
stom
circ
u
it
d
esig
n to
m
eet
specific
n
eed
s
.
E
lect
r
ical
C
h
aracteristics
Deflectio
n F
acto
r
:
50
mill
ivolts/
d
ivisio
n
wit
h
Gain
a
dju
ste
d
inter
n
ally
.
Freq
ue
ncy
R
es
po
n
se
(
M
ainf
r
a
m
e
depe
nd
ent)
:
7400
-
50
mega
h
ertz
;
7500
-
75
mega
h
ertz
;
7700
-
150
m
ega
h
e
r
tz
;
7900
-
greater
t
han
150
m
ega
h
ertz
.
T
h
is
plug-in
h
as
α b
asic
d
eflectio
n facto
r
of
50
I
npu
t
Im
pe
d
a
nce
:
mV
/d
iv
w
h
en
t
he
i
n
te
rn
al
Gai n
co
n
trol
is
p
rope
r
ly
a
dju
ste
d
.
G
r
eate
r
than
10
m
V
/
d
iv
at
reduced
b
a
ndwi
d
t
h
50
o
hm
s
p
l
u
s
o
r
min
u
s
10%
.
m
ay
b
e
ach
ieve
d
by adju
sti
ng
t
he
Gain
control
.
Ot
her
d
eflection
facto
r
s
may
be ac
h
ieve
d b
y
u
sing
the
sol
der
pad
s
p
r
ovi
ded
in
t h
e
plug-in,
an
d
cu
stom-
d
esigni
n
g
t
h
e
P
OSITIO
N
R
a
nge
:
ci r
cu
it
.
Refer to
t h
e
A
pp
licatio
n
s
section
for
s
uggestions
.
At
least
+10
d
ivisions
to
at
least
-10
divisio
n
s
fro
m
gratic
u
le
ce
n
te
r .
T
he 7
Α
17
is
not
factory
eq
ui
pp
ed
wit
h
r
eadou
t
.
M
axi
mu
m
I
n
p
u
t
V
oltage
:
H
owever,
access
is
provided so
t
h
at
rea
d
ou
t
e
n
co
ding
5
volts
RM
S
r
esisto
r
s
can
b
e
connecte
d
.
R
efe
r
to
t
h
e
A
pp
lications
section for
s
u
ggestio
n
s .
En
viro
nmental
C
h
a
r
acteristics
R
efe
r
to the
7000-se
r
ies
oscilloscope
mainfra
m
e
m
a
nu
al
.
OPER
ATI
N
G
I
N
ST
RU
CTIO
N
S
I
NPU
T
BN
C
co
nn
ecto
r
p
rovi
d
es
α
m
ea
n
s
for
conn
ecting
α
sig
n
al
.
Inp
u
t
Coupling
T
he 7
Α
17
I
NPU
T
is
d
i
r
ectly
coup
led
i
nto α
50-o
h
m
impe
d
ance
.
H
oweve
r
,
t
h
e
i
npu
t
may
b
e
d
esig
ned to
acce
p
t
any
type
of
signal
.
R
efer to
t
he
Applicatio
n
s
section fo
r s
uggestions
.
Deflection
F
actor
R
ea
dou
t
En
cod
i
ng
P
olarity
T
he p
olarity
of
t
he
dis
p
laye
d
sig
n
al
may
be
inverte
d
by
moving
the
st
r
ap
s
from
+
UP
(as
m
ar
k
e
d
on
t
h
e
ci r
c
u
it
board
)
to
t
he
solde
r
p
a
d
s
m
a
rk
ed
I
NV
.
CI
R
C
U
IT
O
PER
ATIO
N
7
Α
17
Ge
n
e
r
al
Th
e
sig
n
al
a
pp
lie
d to the
I
NPU
T
con
necto
r is
d
irect
T
he 7
Α
17 operates with
any
7000-se
r
ies
oscillosco
p
e
cou
p
le
d to pa
r
a
ph
ase
am
p
lifier
0110,
Q210
.
P
ositio
n
i
ng
and
is
r
ea
dy
for
u
se
as
it is
r
eceive
d
.
It
can
be
installe
d
is
achieved
b
y
varying
th
e
DC
level
at
the base of
in
any
co
m
pa
r
tment
of
t
h
e
7000-se
r
ies
oscilloscope
.
To
Q210
.
Gain
of the p
a r a
ph
ase
amp
lifier
(Q110,
Q210)
is
7
Α
17
set
to
a
pp
roxi
m
ately
one by
R
211
.
P
ola
r
ity
of
t
h
e
Special
P
arts
.
In
a
d
d
ition
to
t
h
e
sta
n
dard
electro
n
ic
d
is
p
laye
d
sig
n al
may
be
inverte
d
b
y
movi
n
g t
h
e s
h
orting
com
ponen
ts,
so
m
e
s
p
ecial
p
arts
a
r
e
u
sed
in
t
h
e
7
Α
17
.
stra
p
s
to
t
h
e
I
NV
p
ositio
n
.
T
he
out
pu
t
of
t
h
e
p
ara
ph
ase
T
hese pa
r
ts
a
r e
man
u
fact
ur
e
d
o
r
selected
by Te
k
tronix,
amplifie
r
is
co
n
necte
d to
common
emitter d
iffere
n
tial
I
nc
. i
n
accor
d
ance
wit
h our
specifications
.
T
hese
s
p
ecial
a
mp
lifie
r
Q125,
0225
and
co
m
mon
b
ase d
iffe
r
e
n
tial
pa
r ts
are
in
d
icate
d
in
t
he p
arts
list
b
y
an
aste
ris
k
am
p
lifie
r
Q120,
Q220
.
T
h
ese
a
mp
lifiers
pr
ovide
t r
igge
r
pr
eceding
t
he p
a r
t
n
u
m
b
er
.
Or
d
er
all s
p
ecial
p
arts
output
a
n
d
signal
o
utpu
ts
to the
oscillosco
p
e
m
ai n
fra
m
e
d
irectly
f r
o
m
yo
ur
local
Te
k
t
r
onix
F
iel
d Office or
via
t
he
i
n
terface
con
n
ecto
r
s
.
re
p
resentative
.
M
AI
N
T
EN
A
N
C
E
Or
de
r
ing
P
a
r
ts
.
Wh
en
or
d
eri
ng
re
p
lace
m
en
t
p
arts
f r
o
m
Ge
neral
Te
k
t r
on
ix,
I
nc
.,
incl
ude
t
h
e
instr
u
mentTy
p
e,
instr
u
ment
s
p
o
r
tion
of
t
h
e
manual
contain
s
info
rmation
Serial
Numb
er,
α desc
r
i
ption of
t
he pa
r
t (if
elect
r
ical,
This
include
circuit
number),
and
t
he
Te
ktronix
P
art
co
nce
r
ning preven
tive
m
ainte
nan
ce,
corrective
mai
n
-
Nu
mb
er
.
te
n
a
n
ce,
and
t r
oub
les
hooting
t
he 7
Α
17
.
Fu
rt
h
e
r
i
nfo
r
ma-
tio
n
relati
ng
to
ge
ne
r
al
m
ai
n
tena
nce can be found
i
n
t
h
e
7000-se
r
ies
i
n
str
u
ction
ma
n
ual
.
Solde
r
ing
Tec
hn
i
ques
.
Ca
r e s
h
o
u
l
d
b
e
ta
k
e
n
w
h
e
n
sol
d
eri
ng to p
reve
n
t
d
a
m
age
due
to excess
h
eat
.
Α
s
m
all
wattage
sol
d
e r
ing
iron
(15 to
50
watts)
s
h
ould
be
used
.
Clean
i
ng
Apply
h
eat
d
irectly
to
t
h
e
j
u
nction
to
be
sol
de
r e
d
.
U
se
To
im
pr
ove
r
elia
b
ility
and to
avoi
d p
ossi
b
le t
h
ermal
only
eno
ugh heat to
form
α
goo
d b
on
d
.
H
eat
sin
k
a
n
d
elect
r
ical
pr
ob
lems,
it is
reco
mm
ended
t
hat th
e
co
mp
o
nen
ts
w
h
en n
ecessa
r
y
.
7
Α
17
be
cleaned
at
pe
r
io
d
ic
intervals,
as
well
as
b
efo
r e
cali
b
ration
.
R
ep
ac
k
aging
for
S
h
ipme
nt
L
oose
du
st
may
b
e
re
m
ove
d
wit
h
α
soft
cloth or
α
dry
br
ush
.
H
ar
d
en
e
d
d
irt
may
be
re
m
ove
d
wit
h
α
cotton-ti
pped
swa
b
or
cloth
,
d
am
pened
w
it
h α
m
il
d
d
ete
r
gent
an
d
water
sol
u
tio
n
,
t
hen ca
r
ef
u
lly
r
inse
d
and
dr
ied
.
Troubles
h
ooting
Seve
r
al t r
oub
les
h
ooting
ai
d
s
for
t
he 7
Α
17 a
r
e given
on
o
n
e
fol
d
out
p
age
locate
d
at
t
he
rear
of
t
he
manual
.
Th
is
page
incl
ud
es
:
Sc
he
m
atic
d
iag
r
a
m
s, s
h
owi
ng
im
p
or-
tant
voltages,
co
mp
o
ne
n t
val
u
es,
and
circuit
n
u
m
be
rs
;
b
oard
p
ict
ur
es
s
h
owing
ph
ysical
locatio
ns of
t
h
e
co
mp
on
e
n
ts
;
an
d
semicon
ductor
basi
ng d
iagra
m
s
.
F
or
b
est
results,
u
se
t
hese
ai
d
s
in
con
jun
ction
wit
h
t
he
Ci
r
cuit
Operation
a
nd
Cali
b
ratio
n p
rocedu
r e
.
R
efer
to
t
he 7000-series
mainf
r
ame
m
an
ual
fo
r
gen
e r al
troub
les
h
ooti
n
g
info
rm
atio
n
.
(i .e
.
se
m
ico
nductor
care,
colo
r
cod
i
n
g,
etc
.)
.
If
t
h
e
Te
ktro
n
ix inst
rum
ent
is
to
be
s
h
i
pp
e
d
to
α
Te
k
t
r
o
n
ix
Se
r
vice
Center
for
service
or
repair,
attach
α
tag
s
h
owing
:
ow
ne
r
(wit
h
a
dd
r
ess)
a
nd
t
he
na
m
e of an
i
nd
ivi
d
ual
at
yo
ur
firm
t
h
at
can be
contacted,
comp
lete
instr
u
me
nt
serial
nu
m
b
e
r
and
α
d
escri
p
tio
n of
t
he
service
requ
ire
d
.
Save
and
r
e-
u
se
th
e
pac
kage
in
w
h
ic
h
yo
u
r
instr
u
ment
was
s
h
i
pped
.
If t
he
original
pack
aging
is
un
fit
fo
r u
se
o
r
not
availa
b
le,
re
p
ackage
t h
e
inst
r
u
m
ent
as
follows
:
T
he ca
r
ton
test
stre
n
gt
h
fo
r
yo
ur
i
n
st
ru
me
n
t
is
200
po
und
s
.
Gain
Su
rro
und
t
h
e
instr
um
ent
with polyeth
yle
ne
s h
eeti
ng to
protect
t
he
finis
h of
t
he
instr
u
ment
.
O
b
tain
α
carto
n of
cor
ru
gate
d ca
rd
boar
d
of
the co
rr
ect ca
r
ton
stre
n
gt
h
and
having
insi
d
e
d
i
m
ensions
of
no
less
than
six
i
nch
es
m
o
r
e
t
h
an
t
h
e
instr
u
ment
d
imensio
n
s
.
C
u
s
h
ion
t
h
e
instrument
b
y
tig
h
tly
p
ac
k
i
ng
t
hree
i
n
c
h
es
of
dun
nage
o
r
ur
et
h
ane
foam
between
carto
n
an
d
i
n
str
um
e
n t,
on
all
si
des
.
Seal
ca
r
ton with
s
h
i
pp
i
ng
tape
o
r
i
ndu
st
r
ial
staple
r
.
CA
L
I
BR
ATIO
N
Co
rr
ective
M
aintenance
Install
t
he 7
Α
17
in
any
7000-se
r
ies
oscillosco
p
e
m
ai
n
-
Stan
d
ard
R
e
p
lace
m
ent
P
a
r
ts
.
All
electrical
a
nd
f
r
ame
.
Apply
α
1
kH
z,
0
.4
volt
s
q
uare-wave
fro
m
t
h
e
m
ech
a
n
ical
r
eplacement
parts
fo
r
t
h
e 7
Α
17 can b
e
oscillosco
p
e
CA
L
I
BR
ATO
R
.
Ce
n
te
r
t
he d
isplay
a
nd
obtai
ned
t
hr
ough
yo
ur
local
fiel
d
office
or
represen-
a
dj
ust
t
h
e
Gain
potentio
m
eter
(locate
d
on
th
e
circ
u
it
tative
.
H
oweve
r
,
m
a
ny of
t
he
electronic
p
arts
can
be
b
oa
r
d
)
for
α
d
is
p
lay
of
eig
h
t
divisio
n
s
.
ob
tai
ned
locally
i
n
less
ti
m
e t
h
a
n
is
req
u
i
r e
d to or
d
er
t
h
em
f r
om
Te
k
tro
n
ix,
Inc
.
Before purch
asi
ng or
ordering
NOTE
re
p
lace
m
e
n
t
p
arts,
check
t
he pa
r
ts
list
for
val
u
e,
rating,
O
b
se
r
ve
p
r
o
per
termination
of
CAL
I
BR
ATO
R
ou
t
put
tole
r
ance,
a
nd
d
escri
p
tio
n
.
w
h
en
applying
voltage
to
t
h
e
7A1750
Ω
input
.
REV
.
C,
OCT
.
1977
Α
PPL
I
CA
TIO
N
S
Gene
r
al
TA
BLE
1
T
h is
section
p
rovi
d
es
s
uggestion
s
for
possi
b
le
mo
d
i-
P
O
WER
S
UPPL
Y L
OAD
L
I
M
ITS
fications
to
t
h
e 7
Α
17
.
Th
e
7
Α
17
may
b
e
m
o
d
ifie
d to
s
u
it
α pa
r
tic
u
lar
n
ee
d
b
y
u
sing
t
he
areas
p
rovi
d
ed for
S
upp
ly
V
olts
*
M
axim
u
m
Limit
circuit
con
struction
.
P
ower
s
upp
ly
a
nd
r
ea
dou
t
connec-
tions
are rea
d
ily
availa
b
le
;
see
F
ig
.
2
for
t
h
eir
locations
.
+5
V
500
mA
T
he
fro
n
t
su
b
-
p
a
n
el
of
t
h
e
7
Α
17
is
p
r
e-
pu
nched with
+15
V
500
mA
various
size
and
s
h
a
p
e
h
oles
to
allow
easy
m
oun
ti
ng of
-15V
500
m
A
switc
h
es,
indicators,
etc
.
+50
V
100
mA
-50
V
100
m
A
7
Α
17
P
ower
s
u
pply
limitations
are given
in
Ta
b
le
1 . Ι
2
ί
5
recom
m
en
d
e
d
t
h
at
ci r c
u
it r
y
added
to
t
h
e
7
Α
17 not
*These
maximums
cannot
occur
simultaneously!
T
h e
total
p
ower
exceed
these
limitations
.
d
issipation
must
not
excee
d
-
16 .5
watts
.
GAI
N
AD
J
F
ig
.
2
.
7
Α
17 s
h
owing
areas
for
circuit
construction
and p
re- p
unched
front
sub-panel
.
7
Α
17
H
IG
H
IMPE
DA
N
C
E
A
MPL
I
F
I
ER
R
5
390
Ω
1/4
W
5%
R
6
910
92
1/4
W
5%
T
h
is fiel
d effect
t r
an
sisto
r
(
FE
T) a
mp
lifier
can
b
e
R7
21
Ω
1/8
W
1%
co
nn
ecte
d to the
in
pu
t
of
t
he 7
Α
17 to
i
ncrease th
e
R
8
1
ΜΩ
1/4
W
10%
sta
b
ility
and
r
aise
t h
e
i
np
ut
i
mp
e
dance
f r
om
50
o
h
ms
to
R9
21
Ω
1/8
W
1%
over
one
mego
h
m
depe
nding
on
t
he value of R
1
.
(It
is
R
10
910
Ω
1/4
W
5%
not
r
eco
mm
en
d
e
d
t
h
at
R
1
excee
d
five
or ten
mego
hm
s
R
11
390
Ω
1/4
W
5%
du
e to p
ote
n
tial
lea
k
age pr
ob
le
ms
.)
T
he op
tional limite
r ci r
cuit,
co
n
sisti n
g of
C
R
1
α and
C
R
i
b,
s
hou
l
d be u
sed
w
h
en
t
h
ere
is
α
p
ossibility
of
exceeding
±15
volts
at
the
i
np
ut of the
FET
a
mp
lifie
r
.
T
h
is
circ
u
it
will avoi
d
p
ossi
b
le
d
amage
to
t
h
e
FE
T
.
Atte
n
uato
r
s
m
ay
b
e
a
dd
e
d
to th
is
amplifier
circ
u
it
fo
r
t
he pu
rpose
of
ob
taini
n
g
α d
esi
r
ed d
eflection
facto
r
,
r
efe
r
Q
1 α -
Q
1
b
to
t
h
e a
pp
licatio
n
for "atte
nu
ators"
.
P
a
r
ts
L
ist
:
*
R
1
1
ΜΩ
1/4
W
1/2%
R
2
470
Κ
92
1/4
W
10%
R3
560
Ω
1/4
W
5%
R
4
47
2
1/4
W
10%
*
M
ay
be
selecte
d to
suit
in
pu
t
imped
ance
re
q
uirements
.
*'O
p
tional
I
NPU
T
R
1
1
Μ
-15
V
+15
V
+15
V
op
tional
Ι
Ι
`~
D1A
D1
B
R
5
ει
L
-
t
Ι
QlA
ς
3
Τ
R
2
Ι
R4
Fig
.
3
.
FE
T
Amp
lifier
.
REV
.
FEB
1974
Ci
.005
μ
F
ce
r
20%
500
V
C2
1
.8
pF
ce
r
20%
500
V
C3
22
μF
elect
20%
15
V
C4
.001
μ
F
ce
r
20%
500
V
C5
22
μ
F
elect
20%
15
V
**D1
a
-D1b
D
u
al
d
io
d
e
F
SA1480
availa
b
le
from Te
k
t r
o
n
ix,
Inc
.,
o
rd
e r
pa
r
t
nu
m
b
e
r
152-0321-00
.
Ν
channel
D
u
al
F
ΕΤ 2
Ν
4416
a
v
aila
b
le
fro
m
Te
k
tro
n
ix,
Inc
.,
or
d
e
r
p
a
r
t
nu
m
b
er
151-1031-00
.
R
7
C5
R6
910
To
7
Α
17
in
put
R
10
ATT
ENU
ATO
R
S
(
U
se
wit
h
FE
T
Am
p
lifier)
In
so
m
e
cases
w
h
ere
the
sensitivity
of
the 7
Α
17
is
too
great,
atte
nuato
r s
of
t
h
e
ty
pe
s
h
own
in
F
ig
.
4
m
ay
be
a
dd
e
d
.
T
h
ese
are
h
ig
h imped
ance
attenuators
and
s
hou
l
d
be u
se
d with α
h
ig
h
i
npu
t
i
mp
e
d
a
nce
am
p
lifier,
r
efe
r
to
t
he
FET
A
mp
lifier
in t
h
is
sectio
n
.
C2
is
α va
r
iable
capacito
r
u
sed
to
n
o
rm
alize
t
h
e
Input to app
roximately
10
pF
.
F
or
t
h
ese
calculations,
C2
is
ass
u
me
d to b
e
10
pF
.
R
Σ
et
-
R2'
Ct
=
13
2
,
C
2
R
t
I
NPU
T
ν
;
F
ig
.
4
.
H
ig
h F
re
q
uency
Attenuators
.
Exam
p
le
:
Α
d
eflection
factor of
200
m
V
/
d
iv
with
R
i
n =
1
m
ego
hm
is
d
esi
r
ed
.
T
h
e
FET
a
mp
lifier
has
an
input
r
esista
n
ce
=
1
mego
h
m
= R
f e
t
50
m
V
/
d
iv
Vr
_
-Vo/V,
200
= 0.25
mV
/D
ίν
R
2'
=
1
m
ego
hm
Χ
0
.25
=
250
k
ilo
h
m
RI
=
1
m
ego
hm
-250
k
ilo
hm
=
750
k
ilo
h
m
R
2
-
250
k
ilo
hm
Χ
1
m
ego
hm
=
333
k
ί 1
ο
h
m
1
m
ego
h
m
-250
k
ilo
h
m
F
or
mu
las
:
Attenuatio
n
_
R
atio
V
r
=
V
ο
/
V
i
250
k
ilo
h
m
Χ
10
p
icofarads
C1
750
k
ilo
hm
=
3
.3
p
icofara
d
s
R
fet
--
i
np
ut r
esista
n
ce of
t
he
amplifie
r
.
R
i
n
= d
esi
r e
d
i
npu
t
resistance
at
t
h
e
I
NPU
T
connector
.
N
or
m
alizing
Con
nect α
1
kH
z squa
r
e
wave
R
2'
=
R
i
n
Χ
V
r
R
2
p
arallele
d with
R
f
et
fro
m
t
h
e
oscilloscope
CA
L
I-
BR
ATO
R
.
A
d
ju st
t
he outpu
t
of
Rt
-
R
in
-
R
2'
t
h
e
CA
L
I
BR
ATO
R
for α d
is
p
lay
of four to
six
ve
r
tical
d
ivisio
ns
.
R
Ad
ju
st
C2
for
s
quare
lea
d
ing
edge
2
=
R
2'
R
Σ
et
a
nd
flat
top
.
Gain
R
eadju
st,
if
necessary,
t
h
e
7
Α
17
Gain
co
n
trol
fo
r
pr
ope
r
sensi-
tivity
.
To
FE
T
Am
p
lifier
7
Α
17
7
Α
17
RE
ADO
U
T
E
ac
h
word
locatio
n h
as
its
own
r
ow
and
col
um
n
return
lines
.
The
top
word
locations
have α
row
return
E
ach of
t
he
oscillosco
p
es
fou
r
p
l
u
g-i
n
com
pa
r
tments
line
locate
d at Β
37
of
t
h
e
p
l
u
g-in inte
r
face
connecto
r
are
allotte
d
two
wo
rd
locatio
ns located
at
t
h
e
to
p
and
and
α
col
umn
r
eturn
li
ne located at
Α
37
.
Th
e
botto
m
b
otto
m
of
t h
e
C
R
T
sc
r
een
(see
F
ig
.
5)
.
E
ach
wo
rd
word
locatio
n
s
have
α r
ow
ret
u
rn line at
Β38
a
nd α
locatio
n
can b
e
enco
d
e
d
to
write
up
to
te
n ch
a r
acte
rs
.
colu
mn
ret
u
rn
li
n
e
at
Α
38
.
For
each
of
the ten
s
paces
available
in
α
word
location
t
her
e is
α
co
rr
es
p
on
d
i
ng
ti
m
eslot
(TS) pu
lse
.
T
he time-
slot
pu
lses
inter
r
ogate
t
h
e
readou
t e
ncoding r
esisto
rs
in
T
h
e
ti
m
eslot
pu
lses
are
always
-15
volts
in
ampli-
t
he
pl
u
g-i
n
s
.
T
he r
es
u
lting
info
rmation
is
ret
urned to
t
he
tu
de
.
T
h
erefore
t
h
e
cu
rre
n
t
flowing
f r
o
m
t
h
e ti
m
eslot
oscillosco
p
e read
out
system
as
vario
u
s
row
an
d
col
u
m
n
lines
t
hr
o
ugh
t
he p
l
u
g-i
n en
coding
resistors
into
t
h
e
row
cu
r r e
n
ts
.
T
h
ese
r
ow
a
nd
col
umn
cu
rr
en
ts select
t
he
a
nd
column
ret
urn
lines
is
α
d
irect
resu
lt
of
t
he value
ch
aracte
rs
or ope
r
atio
n
s
f
r
o
m
t
he
m
at
r
ix
s
h
own
i
n F
ig
.
of
t
h
e
en
co
d
ing
resisto
r s
as
give
n by
O
hm
's
law
.
For
7
.
Fo
r
exa
mp
le
:
to ob
tai
n
t
he
letter
"
Α
"
t
he
r
e
mu
st
b
e
exa
mp
le
:
In
o
r
de
r
to
p
lace
th
e
letter
"
Α
" at timeslot
0
.4
mA
of
row
cu
rrent
a
nd
0
.3
mA
of
col
umn
c
urr
e
n
t
.
location
3 of
t
he top
word
locatio
n
(ci
r
cle
d
in
F
ig
.
5),
α
37
.4
k
ilo
h
m
r
esisto
r
(-15
volts/0
.4
m
A)
m
u
st
b
e
Plug-in
Plug-in
Plug-in
Plug
-in
place
d b
etween
TS-3
a
nd
t
h
e
row
ret
ur
n
li
ne
Β
37
and α
Compartment
Com
partment
Com
p
artment
Cornp
a
rtment
50
k
ilo
h
m
resisto
r
Ι
(-15
volts/0
.3
m
A)
b
etween
Τ
5-3
#1
#2
#3
#4
and
col
u
m
n
ret
urn
line
Α
37
.
R
efer
to
Ta
b
le
2 for
interface
pin
con
nections
.
TS-5
Τ
5-3
Τ
5-7
TS-1
I
Ι
I
Τ
5-9
9000
-TS-1
-
TS-2
-
Τ
$-3
-TS-4
-
TS-5
-TS-6
-TS-7
-TS-8
-TS-9
-TS-10
Bottom
To
assure
t
hat
encoding
errors
cannot
occur
w
hen
the
W
ord
Locations
Ι
enco
d
ing
load
is
heavy, α
d
io
de
should
be
p
lace
d
in
series
with
t
h
ose
encoding
resisto
r
s
t
hat
allow
0
.6
m
A
o
r
m
o
r
e
c
u
rrent
to
flow
into
t
he
row
o
r
col
u
mn
ret
u
r
n
li
nes
.
T
h
is
m
eans
t
h
at
w
hen
calc
u
lati
ng
t
he
values
for
the
enco
d
i
ng
resistors
t
he
forwar
d
voltage
drop
(
V
f)
of the
TS-1
'
TS-2
.
τε
.
Ι
d
io
de
m
u
st
be
ta
ken into
acco
un
t
; i
.e
.,
to o
b
tai
n
0
.9
MA
using
α
silicon
d
iode,
t
he typ
ical
value
of
t
he
e
n
co
d
i
ng
resistor
wo
u
l
d b
e
-15
volts
V
f/0
.9
mA
=
15
F
ig
.
5
.
R
ea
dout
W
or
d
L
ocations
an
d
Timeslot
L
ocations
.
volts-0
.6
volts/0
.9
mA
χ
16
.2
k
ί
lo
h
ms
.
Timeslot
Nu
m
be
r
C
RTSCREEN
I
n
terface
Pin
Nu
m
ber
Β
33
-
Α
33
-~
Β
32
-~
Α
32
-~
Β
31
-~
Α
31
Β
30
--~
Α
30
-~
Β
29
-
Α
29
-
TA
BLE
2
E
ncoding
R
esistors
T
he
d
iag
r
am
for
t h
e ab
ove
exam
p
le is s
h
own
in
F
ig
.
6
.
37
.4 k
To
Β
(row
return
rn
line)
from Β32
50k
ITS-3)
To
Α
37
(column
return
line)
F
ig
.
6
.
E
ncod
ing
configuration
for
letter
"
Α
"
.
for
R
owR
et
u
rn
L
ine
837
top
Column
Return
Line
Α
37
word
locations
for
RowR
eturn Line Β
38
b
ottom
Colu
m
n
R
etu
rn
L
i
n
e
Α
38
wo
rd
locations
Ι
Colu
m
n
0
1
2 3 4 5 6
7 8 9
10
Ι
0
.2
Ι
0
.3
Ι
0
.4
Ι
0
.5
Ι
0
.6
Ι
0
.7
Ι
0
.8
Ι
0
9
31
.
ROwam
e r
es
0
Ι
0
.1
0
C
u
rre
η
ί
ι
(
M
illi-
ρ
ιΙ
1
0
0
1
2 3
4 5
6 7 8 9
2
0
.1
ί
< Ι
/ +
-
+
C Δ >
3
0
.2
A
dd *
Add
* R
e
d
uce
* R
e
du
ce
*
ID
EN
TIF
Y
*
one
two
prefix
p
refix
zero
zeros
an
d
a
dd
one
zero
4
0
.3
m
μ
π
Χ
Κ
Μ
G Τ β
5
0
.4
SKIP
-
S
V
Α
IN
Ν
d 8
C
Ω
Ε
6
0
.5
U
Ν
L
Ζ
Υ Ρ
F
J
Q
D
7
0
.6
Decimal* Decimal*
Decimal
*
Decimal
*
Deci
m
al
*
p
oi
n
t
p
oi
n
t
p
oi n t
p
oint
point
location location location
location
location
#3 #4
#5 #6 #7
8
0
.7
9
0
.8
10
0
.9
A
dd
S
p
ace
In
Dis
p
lay
*
Op
eratio
n
al
ad
dr
ess
F
ig
.
7
.
Read
out
M
atrix
.
T
h
e
following
table
in
d
icates
the
typical
r
esisto
r
sp
ace)
.
T
he following
fig
u
re
sh
ows
α p
ossi
b
le
timeslot
val
u
es
r
equ
i
r e
d
to
enco
d
e s
p
ecific
currents
.
R
esistors
assig
nm
e
n
t
.
may
be rated
as
low
as
1/8
watt
.
Ti
m
eslot
111
2131
4
15161
7
1819110
R
equ
i
r e
d
R
esisto
r
Tole
r
an
ce
C
h
aracter
Τ
I
Ε
1
S
1
Τ
ls
p
acel
1
C
u
rre
nt
V
alue
0
.1
m
A
150
k
Ω
5%
ο
Timeslots
1,
2,
9
an
d
10 do
n
ot
r
equ
ire
e
ncod
i
n
g
r
esisto
r s
.
0
.2
mA
75
1<
Ω
5%
Ty
p
ical
resisto
r
values
for en
codi
n
g
are
give
n
in t
he
0
.3
m
A
50
k
Ω
5%
followi
n
g
ch
art
.
0
.4
mA
37
.4
k
Ω
1%
0
.5
mA
30
.1
k
S2
1%
T
h
e
circuit
for
"TEST
1"
is s
h
ow
n
in
F
ig
.
8
.
0
.6
m
A
24
.3
1<
2
1%
*0
.7
m
A
20
.5
k
Ω
1%
Timeslot
Ch
aracter
Row
Col
um
n
*0
.8
mA
18
.2
1<
Ω
1%
L
ocatio
n
E
nco
d
ing
En
co
d
ing
*
0
.9
m
A
16
.2
k
Ω
1%
ο
R
esisto
r
R
esisto
r
*31
.0
mA
12
k
S2
5%
ο
3
Τ
50
k
Ω
16
.2
k
Ω
*
U
sing
α
1N4152
silicon
d
io
de
4
Ε
37
.4
k
Ω
12
k
S2
5
S
37
.4
k
Ω
150
k
2
6
Τ
50
1<12
16
.2
k
2
Exa
mp
le
:
"T
E
ST
1"
is
to
b
e written
on
t
he C
RT
7
S
P
AC
E
16
.2
1<
Ω
-
scree
n
.
T
h
is
word
is
six
ch
a r
acte
rs
lo
ng
(incl
ud
ing
α
8
1
-
75
k
Ω
7
Α
17
7A17
ITS-31
Β32
(
Τ
5-4)
Α
32
ITS-511
831
50k
ΛΜι
16
.2
k
AA/'V
37
.4
k
37
.4
k
150
k
Deci
m
als
e
n
code
d dur
ing
ti
m
eslot
1
appear
b
etwee
n
timeslot locations therefore d
o
not
requ
i
r e
the use of
anot
her timeslot
location
.
Exam
p
le
:
E
nco
d
ing
"D
ECI-
M
A
L
POINT
L
OCATIO
N #4"
dur
i
ng timeslot
1
wo
u
l
d
16
.2
κ
cause α d
eci
m
al
to
a
pp
ea
r
b
etween
ti
m
eslot
4
and
ti
m
e-
slot
5
.
Β
37
16
.2
k
I
row
return
^"
line)
En
co
d
i
ng
t
he
"ID
EN
TI F
Y"
op
eration
d
ur
ing
ti
m
eslot
75k
1
will
cau
se
t h
e
entire rea
do
u
t to ch
ange
to the
wor
d
ο
~
η
^
η
Α
37
(column
IDENTIFY
.
return
line)
F
or
furt
he
r
i
n
formatio
n
concer
n
ing
t
h
e
rea
d
out
r
efe
r
2
ο
t
he
man
u al
of
any
7000
se
r
ies
m
ai
n
f
r a
m
e t
h
at
F
ig
.
8,
Encod
ing
information
for
"T
E
ST
1"
.
co
n
tains
α
readout
.
(TS-6)
Α
31
ITS-71
Β
30
(TS-8)
Α
30
50
k
B
A
ND
W
IDT
H
L
I
M
IT
ER
For low
frequ
en
cy
app
lications,
h
ig
h
fre
q
uency
n
oise
p
ro
b
lems
can
b
e re
d
uced
b
y
r
est
r
icting
t
h
e b
a
n
d
wi
d
t
h
of
t
he
7
Α
17
.
F
or
example,
w
h
en d
is
p
layi
ng α low-
frequency
sig
n al,
li
m
iting
t
he h
ig
h
fr
eque
n
cy
r
es
ponse
i
n
ma
ny
cases
will
consi
d
era
b
ly
red
uce
h
ig
h f
r e
qu
e
ncy
noise
wit
hou
t
d
isto
r
ting
t
h
e
d
esire
d
signal
.
T
h
e
filte
r
sh
own
in
F
ig
.
9
is
to
be
connecte
d
in
series
with
t
h
e
Signal
outpu
t
li
n
es
(A-11
and
B-11
on
the
con
nector)
.
Small
notc
h
es
on
t
h
e
conductive
"run
s"
lea
d
i
n
g
to
Α
-11 and Β
-11 are
p
rovide
d
as
p
ai n
ts
w
he
r
e
t
he
Signal
out
pu
t
li
n
es
may
be cu
t
to
i
n
sert
t
h
e
filter
.
T
h
e r
eadou
t
matrix
(
F
ig
.
7)
contains
bot
h
c
h
aracter
s
and op
eratio
n
s
.
T
h
e
op
eratio
n
s
are
mar
ked with an
aste
r
is
k
(")
arid
a
r
e
always
encod
e
d dur
i
ng
ti
m
eslot
1
.
Enco
d
i
ng
t
hese
op
eratio
n
s causes p
re-deter
m
i
ned
c
h
arac-
te
rs
o
r
d
eci
m
als
to appea
r in
o
r
b
etwee
n p
r e-
d
ete
rm
i
n
e
d
ti
m
eslot
locatio
n
s
.
F
o
r
exa
mp
le
:
enco
d
ing
"ADD
T
W
O
Z
ER
OS"
du
ri n
g
ti
m
eslot
1
will
cau
se
zeros to b
e
d
is
p
laye
d
in
ti
m
eslot
locatio
n s
5 a
nd
6
;
b
y
en
co
d
ing
"RE
DU
C
E
PREF
IX"
du
r
ing
ti
m
eslot
1,
t
h
e
pr
efix
t
h
at
was
p
revio
u
sly
en
co
ded
for
timeslot 7
will
be
c
hanged
;
(i
.e
.,
milli
(m) to
m
ic r
o
(
μ
))
.
50
L
2
π
_
F
c
L
L
π
F
c
C
πF
,
Χ
200
R
_
0
.5
E
XA
MPLE
:
Wh
en
Fc
e
q
uals
5
mega
h
ertz
.
L = 3.20
pH,
C
=
320
pF, and
R
=
200
o
hm
s
.
Το
collector
ι
Q220
4
9
Το
Α
11
ε
ε
To
collector
Th
is
filter
m
ay
b
e
d
esigne
d
using
t
h
e
following
Q120
To
811
fo
rmu
la
w
he
r
e
F
c
is
t
h
e
-3
dB
fre
q
ue
n
cy
in
H
e
r
tz
ι
(w
hen
wo
rk
i
ng
into
an
i
mp
e
d
ance of
50
o
hm
s
each
si
de
to
g r
ound
) .
L
is
given
in
H
enrys
;
C
is
given
i
n F
a r a
d
s
;
a
nd
R
is
give
n
in
O
h
ms
.
Fig
.
9
.
Bandwid
t
h L
imiter
.
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
Tektronix 7A17 is a utility plug-in designed for use with Tektronix 7000-series oscilloscopes. It provides 50-ohm, 50-millivolt/division access to either the vertical or horizontal deflection system in the mainframe. It also provides interfacing to the mainframe power supplies, readout encoding circuits, and other functions that allow custom circuit design to meet specific needs. The 7A17 is not factory-equipped with readout, however, access is provided so that readout encoding circuits can be connected.
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