Agilent Technologies HP 8566B Spécifications télécharger pdf (Page 333)

Frequency Response Adjustments

START

5Pi

5.80 GHZ

STOP

GHZ

RES

M”Z

“BW 3 MHZ SWP

150

set

Figure 3-98.

.cal

Frequency Response (5.8

GFh

12.5

GHz)

105. On the spectrum analyzer, key in

[FiQ

and repeat

steps 100 through 102 as necessary.

106. On the spectrum analyzer, key in

@ZZQ

5 and wait for the

sweep to complete (150 seconds) and the SWEEP LED to turn

Off.

107. On the spectrum analyzer, key in (RECALL) 4,

LGHz)

and

use the DATA knob to gradually change the PRESELECTOR DAC

setting from 32, maximizing the level of the TRACE A displayed

signal responses at the lowest point on the TRACE B waveform.

Note the PRESELECTOR DAC setting.

108. On the spectrum analyzer, key in

(jj)

ISHIFT)

IGHz)

and enter in the PRESELECTOR DAC setting from step 107.

Press SWEEP

(-1

and wait for the sweep to complete (150

seconds) and the SWEEP LED to turn off.

109. Repeat steps 107 and 108 until the level of the lowest point on

the TRACE B waveform does not change. Repeat step 108 with a

PRESELECTOR DAC value of 30 and 34.

110. On the spectrum analyzer, key in TRACE B [VIEW), MARKER

@XYXiJ and use the DATA knob to position a marker on the

lowest point on the TRACE B waveform. Then, press MARKER

[a, MARKER @EAK SEARCH) to position a second marker on

the highest point on the TRACE B waveform. Note the total

peak-to-peak deviation of the displayed trace.

Band C total peak-to-peak deviation:

111. On the spectrum analyzer, press MARKER

@i?ZZXj

and note the

frequency of the highest point on the TRACE B waveform.

Band C highest point:

GHz

112. Repeat steps 105 through 111 if necessary until the total

peak-to-peak deviation of the TRACE B waveform is less than

Adjustments

3-l

1 2 ... 328 329 330 331 332 333 334 335 336 337 338 ... 404 405

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Agilent Technologies HP 8566B Spécifications Page 333

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