HP 8082A Operating And Service Manual page 39

5 - 8
Table 5-9. Performance Check
STEP
V E R N I E R
6 WIDTH
V E R N I E R
24 SLOPE POLARITY
Test oscillator settins: 1 KHz, 1 Y
F R E Q U E N C Y V E R N I E R 1
F R E Q U E N C Y R A N G E 1K
OUTPUT
2 EXT TRIGGER
Pulse should appear only during positive slope of sine
by width and delay and its
trig. point isvariable by EXT INPUT LEVEL (6).
button (26). Only one pulse must occur.
Set SLOPE POLARITY (241 to NEG. Pulse should
4
appear only during positive slope of sine wave. Pulse is
variable by width and &lay and its trig. point is vari-
able by EXT INPUT LEVEL (6).
EXT WIDTH
Set SLOPE POLARITY (24) to POS.
PERFORMANCE CHECKS
EXT. TRIG.
EXT
WIDTH.
Table 5-9. (cont'd)
6 Pulse must only occur during the positive part of the
sinewave. It should only be variable by EXT INPUT
LEVEL (6). independent of width, delay and rep. rate.
Repeat with SLOPE/POLARITY (24) set to NEG. This
7
time a pulse must only occur during the negative part
of the sinewave.
8
GATE
Set the 8682A es follows:
REPETITION RATE
2 V E R N I E R
4 DELAY
V E R N I E R
MODE SWITCH
7
WIDTH
6
6 V E R N I E R
24 SLOPE POLARITY
9 Leading edges of output pulses must only occur during
positive part of sinewave. Pulses are available by
all controls (rep. rate, width, delay, ext. input level).
Set the SLOPE POLARITY (24) to NEG. Pulses must
1 0
only occur during negative slope of sinewave.
CCW
c c w
GATE
middle