Figure 5-3. 108118 Amplitude Adj Set-Up - HP 10811A Operating & Service Manual

Quartz crystal oscillator

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5. For the 10811A, connect Model 6215A Power

Supply to pins 2 Hand 3 (+) of a 15 pin printed

circuit connector.

Insert the 10811A P.c. edge connector

into the 15 pin P.c. connector. (See

Section VIII for a special 10811 A test

connector.)

Connect pin 1 of the 15 pin pc connector

through a 50Ω termination (use pin 2 as

ground) to a 3406A Sampling Voltmeter.

See

Figure

5-2. Do not apply power to

the oven circuits.

For the 10811B, reconnect the flex

circuit attached to the bottom cover and

connect the 6215A as shown in

5-3. DO NOT APPLY POWER TO THE

OVEN CIRCUITS. A Micon to BNC

adaptor is available for the 10 MHz

output (HP Part Number 05060-6116).

For both 10811A and B, turn on the

6215A power supply and adjust R6 AGC

control for .55V rms ±50 mV as read on

the 3406A Sampling Voltmeter. R6 is

accessible through the small hole in the

side of the oven mass.

6. Turn off the 6215A power supply and reas-

semble the oscillator.

Figure

Figure 5-3. 108118 Amplitude Adj Set-up

Model 10811A/B

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10811b