Philips PM 6650 Operating Manual page 33

1. Measure pulse duration ty
50% —-f#- — —
Input signal
tq
— Set SLOPE of channel Ato "+".
— Set SLOPE of channel B to "—".
— Connect input signal to oscilloscope.
— Connect LEVEL OUT A to second channel of oscil-
loscope:
Start
— Connect LEVEL OUT B to second channe! of oscil-
loscope:
Stop
2. Measure pulse separation t,
Start/stop signal from common source: Start/stop signals fran separate sources:
— oO
channel A ane
channel B
\
— Set SLOPE of channel A to "—".
— Connect input signal to oscilloscope.
— Set SLOPE of channel B to "+".
— Connect LEVEL OUT A to second channel of oscil-
loscope:
on
LEVEL OUT A
set start level
-— Connect LEVEL OUT B to second channel of oscil-
loscope:
Stop
LEVEL our 8 —S
set stop level
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