Agilent Technologies HP 8566B Especificaciones descargar pdf (Pagina 284)

100

101

16.

YTO

Loop Adjustments

48. On the second spectrum analyzer, key in (ENTER dB/DIv) 2

dB,

(j-1

3 MHz, MARKER

(jNORMALj,

(PEAK SEARCH] to position a

marker on the peak of the displayed 30 MHz fundamental signal.

Adjust

AllA5Rl

IF GAIN for an IF OUT power level (the 30 MHz

fundamental signal) of +4.0

dBm.

Note

AllA5Rl

IF GAIN does not have sufficient adjustment range,

change the value of factory-select component AllA5LlO. An increase

in the value of AllA5LlO will increase the IF OUT power level at

155

IF OUT. Refer to Table 3-3 for the acceptable range of values

for AllA5L10, and to Table 3-4 for HP part numbers. See Figure 3-73

for the location of AllA5LlO.

49. On the second spectrum analyzer, press TRACE A

c-1,

TRACE B (CLEAR-WRITE].

50. On the synthesized sweeper, key in

[SHIFT)

Icw)

to set the

CW RES to 0.001 MHz. Then, use the ENTRY knob to gradually

tune the synthesized sweeper up and down from the frequency

set in step 41, tuning the IF OUT fundamental (displayed on the

second spectrum analyzer) from 5 MHz to 70 MHz as shown in

Figure 3-76.

Figure 3-76. Tuning the IF OUT Fundamental

5 1. On the second spectrum analyzer, press MARKER (NORMAL), and

use the DATA knob to verify the power level of the displayed

fundamental

signal

over the frequency ranges listed in

‘Iable

3-11.

‘Ihble

3-11. Power Level of Fundamental Signal

Freauencs Range

Power Level

MHz to 20 MHz

-3

dBm

2 level 5 + 10

dBm

power

20 MHz to 30 MHz

+ 2 2 level 5 + 6

dBm

power

30 MHz to 70 MHz

-10

dBm

2 power level

+ 10

dBm

3-144 Adjustments

1 2 ... 279 280 281 282 283 284 285 286 287 288 289 ... 404 405

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