Tektronix 576 - Page 85

M
aintenance-Ty p e 576
J 360 J 361 J 362
J 363
P in P i n P i n P in
Descri p tion P erformance
Collector
Supplies
(Cont)
7 Return
for 350
V
AC
P ower
18, 15, 15 V, 75 V, 350 VAC
Selecte dby front panel switch . Same current limits as Collec-
16 Power Out
f or Su pp ly out p ut on J 1, Pins 15, 16, 32 .
Step Ge n erator
1 Step Generator Out put
7 P lus
or
M
inus 1/2
V / P
l
u s
or minus h alf volt per ste p regar d less of A MPL IT U D E
Ste p Out put
switc
h
setting . Se r ies resistance of 470Ω .
8
Pulse
Out put 300μ s o r 80 μ s p ulses, +12V am p litu d e, in p ulse d
mode
only . Series resistance of 470Ω .
Se n si n g
5 Switc
h
e
d G r oun d Ground in N O RM an d DC M od es ; open
in LE A K AG E .
8 L oo p ing Com p
ensation Sensing into V ertical Am p lifier .
9,
10,
Cur r ent in
26
11, 12
C u rr ent out
27
17
Base V olts
25
Emitter V olts
31 Collector V olts
Display Am p lifier
E
xternal Inputs
11
Differe n tial :
N egative vertical in put . Activate d by True state
at
J 363, P in 6 .
12 P
ositive ve r tical in p ut . Activate d by True state at
J 363, P in 6 .
23 N egative h orizontal
in
p
ut . Activate d by True state
at J 363, P i n 19 .
24 P ositive h orizontal i npu t .
Activate d by Tr ue state
at J 363, P in 19 .