Tektronix 576 - Page 81

M ai n te na n
ce-Type 576
J 360
J 361 J 362 J 363
P i n
P i n P in P i n
Descri p tion
P erfo r ma n ce
α
I nput Signal L ogic
L evels (cont)
True F alse
21 H
orizontal R eadout Drive termi n al to
betwee n P rovi d e effective o p en
Off
0 V (ground ) and +1 .5 V
. ci r cuit . Terminal must sou r ce
22
H orizontal R eadout
Terminal sources 5 mA or 1
μΑ
or
less . Te r minal o pen
in Am ps
less into external circ
u
it circuit
voltage is +3 V to +5
V .
Ou t pu t Signal L ogic In d icates
state of inst ru ment o p eration .
E it h er T r ue or
F alse, d e p
en d ing on setti ng of instrument
controls .
True
F
alse
6
N egative Ste p Drive
terminal to between
P
rovi d
e effective op e n
P olarity 0
V (groun d ) an d +1 .5 V . ci r cuit . Te r
minal must sin k
Terminal
can si nk 50 mA or source 100 μΑ or
less .
o r
less from external load . Te r minal open
circuit voltage
is t
he +12 .5 V su pp ly .
11 Ste
p Generator
P rovide effective open
Am
p litu d e, 1 ύ '
ci r cuit . O p en circuit voltage
Deca
d e is
+3 V to +5 V . Te r minal
12
Ste p Generator
must sou r ce 1 μΑ or less .
Am p litu d e, 1 σ 2
W it h exter n al loa d retur ned
Deca d e
to
voltage between +5 V and
+25
V, terminal sin k s 0 .1
13 Ste
p Generator
μΑ or
less .
Am p litu d
e 2Χ
Switch P ositio n
14 Ste p Generator
Am p lit u d
e
5 Χ
Switc h
P
osition
16
Ste p Generator,
1(T4
or 1( f $ Deca d e o r
V olts
2 N egative
Collecto r Pr ovi de
effective open
Swee p
P
olarity
circuit . W it h exter n al loa
d
3 15 V R ange
returned to voltage of +25 V
o r less, terminal sin k s 0 .1
4 75 V R ange
μΑ o r less .
5 350 V R
ange