Agilent Technologies HP 8566B Spécifications télécharger pdf (Page 295)

11.

12.

13.

14.

15.

16.

17.

17. 20/30 Loop Phase Lock Adjustments

Set the RF Section LINE switch to STANDBY. Disconnect the

frequency counter from AlOA5J4 SCAN

I.1

MHz OUT. Reinstall

AlOA6

PLL2

Phase Detector Assembly in the RF Section and

reconnect the cable 7 (violet) to AlOA5J4 SCAN

I.1

MHz OUT.

Set the RF Section LINE switch to ON, and key in

(jZZ@,

(STOP)

10 MHz,

(

START

FREQ)

8.600 MHz, SWEEP

@KKK),

TRACE A (CLEAR-WRITE).

Connect the DVM to

AlOA8TP5

VCO TUNE.

Adjust

AlOA5R2

150 MHz adjustment for a DVM reading of +3.00

0.05 Vdc.

Connect the DVM to

AlOA6TP7

PHASE DET OUT, located on the

cover of the

AlOA6

PLL2

Phase Detector Assembly.

Press SWEEP

ICONT).

Adjust

AlOA8R9

MHz adjustment for a

DVM indication of + 3.50

0.05 Vdc.

On the RF Section, key in

(

START

FREQ]

8.599 MHz, SWEEP

(GKQ,

TRACE A (CLEAR-WRITE).

Note

The CRT annotation will round off to 8.60 MHz, but

the

RF Section is

actually set to a start frequency of 8.599 MHz.

18.

19.

20.

21.

22.

23.

24.

25.

26.

27.

Connect the DVM to

AlOA8TP5

VCO TUNE.

Adjust

AlOA5R4

100 MHz adjustment for a DVM indication of

+ 15.00

0.05 Vdc.

Connect the DVM to

AlOA6TP7

PHASE DET OUT.

Adjust

AlOA8R41

MHz adjustment for a DVM indication of 3.50

0.05 Vdc.

Repeat steps 12 through 21 as necessary until no further

adjustment is required.

the

RF Section, connect the front-panel CAL OUTPUT signal to

the RF INPUT.

On the RF Section, key in

(sTopI

100.5 MHz, (START

FREQ]

95.5 MHz, SWEEP

LCONT),

[

SWEEP

TIME)

100 ms.

Adjust

AlOA8R27

5 MHz SCAN to center the 100 MHz CAL

OUTPUT signal on the center graticule line. Refer to Figure 3-79

for the location of

AlOA8R27

5 MHz SCAN adjustment.

On the RF Section, key in

[STOP]

100.05 MHz, (START

FREQ]

99.55 MHz, [SWEEP TIME] 500 msec.

Adjust

AlOA8R25

MHz SCAN to center the 100 MHz CAL

OUTPUT signal on the center graticule line. Refer to Figure 3-79

for the location of

AlOA8R25

MHz SCAN adjustment.

Adjustments

3-l

1 2 ... 290 291 292 293 294 295 296 297 298 299 300 ... 404 405

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Agilent Technologies HP 8566B Spécifications Page 295

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