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Model 5065A
Circuit Diagrams, Theory, and Maintenance
Figure 3-10. Rear Panel Operating Controls
1 3
2
5
8
OUTPUTS - 5 MHz, 1 MHz, 100 kHz: BNC jacks
paralleled with front panel outputs.
CONTROL jack: Normally not used. Connected
to voltage control point between integrator and
quartz oscillator.
SYNC INPUT jack (Option 001 only):
Input to
digital divider circuits for external synchronizing
pulse.
External synchronizing pulse must be
+5 V or more with rise-time of less than 50 nsec,
and width >0.5jusec.
4. EXT DC connector:
Five-pin male connector.
Connects 5065A to external 24-volt dc supply.
1.
2.
3.
5.
EXT DC fuse (F2): 3-ampere fuse (HP Part No.
2110-0003) for external 24-volt dc power.
6.
115V/230V AC LINE switch: Set to expose correct
("115" or "230") for the ac line voltage used.
7.
AC LINE jack: Accepts round female connector
on power cable supplied.
8.
AC LINE fuse: 1-ampere Slo-Blo fuse (HP Part
No. 2110-0007) for 115 Vac operation or 0.5
ampere Slo-Blo (HP Part No. 2110-0008) for
230 Vac operation.
3-14
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