Philips PM 6650 Operating Manual page 8

Counter/timer 512 mhz/1ns
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C. OUTPUT CHARACTERISTICS
Trigger level output
Range
—3V...43V
Impedance
4 kQ in 0 V position
Overload protection
short circuit proof to earth
Connector
miniature jacks (at the front)
BNC
(at the rear)
Gate monitor ("GATE OPEN")
Provides Z-modulation output for observation of the measured interval.
Amplitude
approx. +0.4 V, when the gate is closed
approx.
+5 V, when the gate is open
Impedance
approx. 200 Q
Overload protection
short circuit proof to earth
Connector
BNC
Time base out
Frequency
100 MHz... 0.01 Hz (in decade steps)
Amplitude
500 mV,.p into 50 Q
Impedance
approx. 100 2
Overload protection
short circuit proof to earth
Non-interrupted signal is available if the display time control is in "HOLD"
position and in the functions:
"FRE-
QUENCY', "PERIOD", "TIME INTERVAL" and "CHECK".
10
MHz out
Amplitude
1 Vims into 1 kQ
Impedance
approx. 200 Q
Overload protection
short circuit proof to earth
Connector
BNC

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