Agilent Technologies HP 8566B Spécifications télécharger pdf (Page 341)

21. Frequency Response Adjustments

4.40

from 18.6

GHz

to 20.0

GHz,

and 6.00

from 20.0

GHz

to 22.0

GHz.

See the TRACE B reference waveform to indicate

which portions of the frequency response waveform require

relative adjustment.

164. On the spectrum analyzer, key in

(jjj

4, (HOLD).

165. On the synthesized sweeper, press

Icw]

and enter the frequency

recorded in step 163, positioning the displayed TRACE A signal

response at the highest point on the TRACE B waveform.

Note

The RF Section front-panel AMPTD CAL control should still be set to

the approximate center of its adjustment range from step 26.

166. On the spectrum analyzer, key in MARKER

C-1,

MARKER

CPEAK

SEARCH] to position a marker at the peak of the displayed

TRACE A signal response. Adjust 17-turn (Band E Step Gain)

potentiometer

A6AlOR29

GE to adjust the amplitude of the

marker to -10.00

dBm

+ (l/2 of Band E total peak-to-peak

deviation) fO.O1

dB.

Adjust

A6AlOR29

GE counterclockwise to

increase the signal level, and clockwise to decrease the signal

level.

Note

A6AlO

Miscellaneous Bias/Relay Driver Assembly is HP P/N

85660-60322 (HP

85660A/B

RF Sections with serial number prefix

2747A or above), and

A6AlOR29

GE does not have sufficient range,

change the value of factory-select component

A6AlOR90.

Increase

the value of

A6AlOR90

to decrease the signal level, and decrease the

value of

A6AlOR90

to increase the signal level. See

‘Iable

3-3 for the

acceptable range of values for

A6AlOR90,

and

‘Iable

3-4 for HP part

numbers. See Figure 3-90 for the location of

A6AlOR90.

YTX

Delay

Compensation,

2.0

GHz

Note

YTX

Delay Compensation adjustments

A6A12R25

D2,

A6A12R24

D3,

and factory-select components

A6A12C1,

A6A12C2,

A6A12Cl1,

and

A6A12C23

affect

YTX/YTO

dynamic tracking in all preselected

frequency bands (Bands B, C, D, and E, 2

GHz

GHz)

for

(SWEEP TIME) settings faster than approximately Is/frequency band.

Note

YTX Delay Compensation adjustment

A6A12R26

Dl is used in

HP 85660A RF Sections only, and has no effect in HP 85660B RF

Sections

(A6A12C3

is not installed in the HP 85660B). YTX Delay

Compensation adjustments

A6A12R25

D2 and

A6A12R24

D3 have

very little effect in HP 85660B RF Sections, and are usually set near

the counterclockwise end of their adjustment range.

167. On the spectrum analyzer, key in

(2--221,

(WI

(PRESEL

PEAK)

(SHIFT]

TRACE A

[MAX]

Set the spectrum analyzer

controls as follows:

START FREQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12.5

GHz

Adjustments 3-201

1 2 ... 336 337 338 339 340 341 342 343 344 345 346 ... 404 405

Commentaires sur ces manuels

Pas de commentaire

Agilent Technologies HP 8566B Spécifications Page 341

Commentaires sur ces manuels

Produits connexes et manuels pour Mesure, test et contrôle Agilent Technologies HP 8566B