Agilent Technologies HP 8566B Especificaciones descargar pdf (Pagina 221)

100

101

7. 3 MHz Bandwidth Filter Adjustments

Amplitude

37. Connect CAL OUTPUT to RF INPUT. Key in

(-1,

C-1

Adjustments

@E--ET)

10 Hz.

38. Adjust the spectrum analyzer front panel FREQ ZERO control for

maximum signal amplitude on the CRT display.

39. Key in

[RESBW)

kHz

and DISPLAY LINE

C-1.

Using the

DATA knob, place the display line at the signal trace.

40. Key in

(REs]

10 Hz.

41. Adjust the spectrum analyzer front panel FREQ ZERO control for

maximum signal amplitude on the CRT display.

42. Adjust

A4A7R30

10 Hz AMPTD and

A4A7R41

10 Hz AMPTD equal

amounts to set the signal level the same as the reference level set

in step 39. See Figure 3-38 for location of 10 Hz AMPTD adjusts.

43. Repeat steps 37 through 42 until no further adjustment is

required.

Note

Factory-select component

A4A7R60

sets the overall gain of the

A4A7

3 MHz Bandwidth Filter, and is selected as required in Adjustment

Procedure 10, “Step Gain and 18.4 MHz Local Oscillator Adjustments.”

This procedure should be performed if the

A4A7

3 MHz Bandwidth

Filter or the

A4A5

Step Gain Assembly is replaced or repaired.

Note

The remaining adjustments and selection of factory-select components

for the

A4A7

3 MHz Bandwidth Filter are performed in Adjustment

Procedure 9, “3-dB Bandwidth Adjustments.

This procedure should

be performed if the

A4A7

3 MHz Bandwidth Filter is replaced or

repaired.

Adjustments 3.91

1 2 ... 216 217 218 219 220 221 222 223 224 225 226 ... 404 405

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