Tektronix 7834 - Page 73

MAIN
FRAME CHANNEL
SWITCH SIGN AL
t
(DISPLAY B)
INTENSIFIED---
SIMPLIFIED DIAGRAM OF
Z-AXIS LOGIC
HI =MAX VOLTAGE OR CURRENT

q, = HAS
NO
EFFECT
LO

MIN VOLTAGE OR CURRENT
VAR = VARIABLE CURRENT, 0 to 4 mA
Theory of
Operation-7834
A INTENSITY
PLUS
_I NTENS IFIED
B INTENSITY
NO-OUTPUT ,
~ w J
Figure
3- 9 . (A)
Logic
diagram
for Z-Axis Logic
stage
;
(B) Table of input/output combinations .
1988-34
0-4 mA