Tektronix 576 - Display Circuitry Details

Circuit Descriptio n -Type 576
Sta nd a rd Test
F ixtu re Sc
h
e
m atic
Terminal
Selecto r
RS

To V e r tical
Display
Switc h ing
R
C
R 422
Dis p lay Sensitivity
Switc
h i ng
Sc
he m atic
P i n s
13, 28, 29
Fi g . 3-8 . Simp lif i ed sc
h emat i c o f D is p lay Sensitivity
Switc h ing and Standard
T est F ixt u re sc h e m at i cs for
meas u reme n t of collector current
(IC) a nd collector-emitter
voltage
(V ςΕ )
or collector-base
voltage ( V ςΒ ) .
3-
1 4
N ote :
R S -- R 405 t hr oug
h R 409
P in n u mb ers r efe r to
Co nn ecto r J 360 .
RC -- R 414
t hr o u gh R 418
RA-- R 434
t hr o u g h R 438
N ote
Ove rla p
R B --
R 437
t hr o u gh R 440 (o r ope n)
R X -- R 442 t hr o u gh
R 444
Ν ote
~ Ove rla p
RB
__
R 442
t h roug h R
445