Tektronix 576 - Page 80

M ai n tenance-Type 576
TA BLE 4-11
Test F ixt u re I n terface
J 360
J
361 J
362 J 363
P in P i n P in P i n Descri p tio n Performance
In pu t Signal L ogic Inp u t controls in d icate d functio n . 25 V maxim u m
L evels safe i np ut .
True F alse
2 Ste p Ge n erator D r ive terminal to between
P rovi d
e
effective o pen circ
u
it .
P olarity I n ve rt 0 V (g
r
ou nd )
an
d +0
.8
V .
Terminal must source 1 μΑ
Terminal sources 5
mA or or less . Terminal ope n circuit
less
into
exter
n al
circuits .
voltage is +3 V to +5 V .
3 Step Generator
Drive te r minal to between .
R ea dout Off
0 V (groun d ) a n d +1 .5 V .
4 B eta R eado ut Off
Te r minal sources 5 mA or
less into external circuit .
15 Ste p Gene r ato r
R ea
d -
out 10 Χ M ulti p
lie
r
6 E xter n al V ertical
Drive termi
n
al to
between P rovide effective o p en
Dis p lay E nable
0
V (groun d )
an
d +1 .5 V . ci r cuit . Termi n al must so u rce
1 Collector Su pp ly
Terminal sources 50 mA 100 μΑ or less . Termin al
DC M o d e
or
less
into
external cir- o p en circuit voltage is t he
cuit . +12 .5 V sup ply .
7
V ertical
R ea
dout D rive terminal is betwee n P rovi de effective op en
R emote Control 0 V (groun d ) and +1 .5 V . circuit . Terminal m u st source
Terminal sources 5 mA or 1 μΑ or less . Termi n al must
less into exte r nal circuit . sou r ce 1 μΑ or less .
C ha n ges convertible Terminal open circuit voltage
vertical ou t p uts to in p uts . is +3 V to +10 V .
8 V ertical R eadou t Off
Drive te r minal to b etween P rovi d e effective op en
9 V ertical R ea dout in
0 V (groun d ) and +1 .5 V . circuit . Terminal must source
V olts
Terminal sources 5 mA or 1 μΑ or less . Terminal open
less into exte r nal
circuit .
circuit voltage is +3 V to +5
10 V e r tical R ea dout 10 Χ
M ulti p lier
V .
19 E xter n al H orizontal Drive terminal to betwee n P rovi d e effective open
Dis p lay E nable 0 V (gro un d ) and +1 .5 V . circuit . Terminal must source
Termi n al sources 50 mA 100 μΑ or less . Terminal
o r less into exter n al open circuit voltage is t h e
circuit . +12 .5 V s u pp ly
20 H orizo n tal R ea dou t Drive terminal to
between
P rovi de effective open
R emote Control 0 V (gro und ) and +1 .5 V . circuit . Te r minal must sou r ce
Terminal sou r ces 5 mA o r 1 μΑ or less . Terminal op en
less into exter n al circuit . ci r cu it voltage is +3 V to
C h anges converti b le +10 V .
h orizontal outp uts into
i np uts .