Agilent Technologies HP 8566B Spécifications télécharger pdf (Page 303)

12.

100

MHz

Tripler

13.

Adjustments

14.

15.

16.

17.

18.

19.

20.

18. RF’ Module Phase Lock Adjustments

Disconnect cable 85 (gray/green) from

A6A9J3

100 MHz INPUT,

cable 4 (yellow) from A6A9J4 VCO TUNE, and cable 5 (green)

from A6A9J5 3.3

GHz

INPUT. Remove the

A6A9

Phase Lock

Assembly from the extender board in the RF Section, and replace

the

A6A9

Phase Lock Assembly front cover.

Install the

A6A9

Phase Lock Assembly in the RF Section on

an extender board. Reconnect cable 0 (black) to

A6A9J2

CAL

OUTPUT, cable 85 (gray/green) to A6A9J3 100 MHz INPUT, cable

4 (yellow) to A6A9J4 VCO TUNE, and cable 5 (green) to

A6A9J5

3.3

GHz

INPUT.

Set the spectrum analyzer LINE switch to ON and press

(j-1.

Connect a

50-ohm

termination to the RF Section

front-panel CAL OUTPUT connector.

Press

CsGHz)

on the second spectrum analyzer. Connect the

CAL OUTPUT signal on the second spectrum analyzer to the RF

INPUT on the second spectrum analyzer, and press

[RECALL_)

Adjust the AMPTD CAL control on the second spectrum analyzer

for a -10.00

dBm

displayed signal, and then press

[FREQUENCY SPAN)~.

Connect the RF INPUT of the second spectrum analyzer to the RF

Section

A6A9Jl

300 MHz OUTPUT. Set the controls of the second

spectrum analyzer as follows:

CENTER FREQUENCY . . . . . . . . . . . . . . . . . . . . . . . . . . . .

.550

MHz

FREQUENCY SPAN

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

GHz

REFERENCE LEVEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

+25

dBm

A’ITEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 dB

LOG dB/DIV

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

The 300 MHz output signal should be visible on the display of

the second spectrum analyzer, along with other harmonics of

100 MHz. Press MARKER

CPEAK

)

to position a marker on

the peak of the displayed 300 MHz signal. Adjust

A6A9AlC29

TRIPLER MATCH to maximize the power level of the 300 MHz

signal.

Press MARKER (PEAK SEARCH) and verify that the power level of

the 300 MHz signal is greater than + 16.5

dBm.

Press MARKER

Ia],

and then press the

and

meys

(or turn the DATA knob)

to position the second marker on the peak of each of the other

displayed harmonics in succession, and verify that the level of

each harmonic is greater than 15

down relative to the peak of

the 300 MHz signal.

Disconnect the second spectrum analyzer from the RF Section

A6A9Jl

300 MHz OUTPUT. Remove the

50-ohm

termination from

the RF Section front-panel CAL OUTPUT connector.

Adjustments 3-163

1 2 ... 298 299 300 301 302 303 304 305 306 307 308 ... 404 405

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Agilent Technologies HP 8566B Spécifications Page 303

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