Agilent Technologies HP 8566B Spécifications télécharger pdf (Page 231)

20.

On the spectrum analyzer, key in the following settings:

(CENTER FREQUENCY)

.....................................

100 MHz

FREQUENCY SPAN)

;&VT)

........................................

.300

kHz

.................................................

.300

kHz

21.

On the spectrum analyzer, press (REFERENCE LEVEL] and use the

DATA knob to position the signal peak near the reference level

(top graticule line).

22.

On the spectrum analyzer, key in (PEAK SEARCH], MARKER [n],

and press

several times to position the second marker at the

leftmost graticule line.

23.

Adjust

A4A9R62

300

kHz

for a MARKER A indication of -3.00

f0.05

dB.

24.

On the spectrum analyzer, press

ch)

several times to position

the second marker at the rightmost graticule line. Then, press

[STOPFREQJ

and use the DATA knob to adjust the centering of the

displayed signal for a MARKER A indication of -3.00

f0.05

dB.

25.

26.

On the spectrum analyzer, key in (FREQUENCY

SPAN)

300

kHz,

MARKER (OFF), (PEAK SEARCH], MARKER

a],

and press

(JIJ

several

times to position the second marker at the leftmost graticule line.

Readjust

A4A9R62

300

kHz

for a MARKER A indication of -3.00

f0.05

dB.

27.

Repeat steps 24 through 26 as necessary until no further

adjustment is required.

9. 3 dB Bandwidth Adjustments

Note

The 100

kHz

3-dB

bandwidth is set with factory-select components

A4A8R30,

A4A8R55,

A4A4R16,

and

A4A4R60.

If it is necessary to

increase the 100

kHz

3-dB

bandwidth, increase the value of one or

more of these factory-select components. The 30

kHz

3-dB

bandwidth

is set with factory-select components

A4A8R26,

A4A8R52,

A4A4R20,

A4A4R40,

and

A4A4R64.

If it is necessary to increase the 30

kHz

3-dB

bandwidth, decrease the value of one or more of these factory-

select components. Refer to

‘Ihble

3-3 for the acceptable range of

values for

A4A8R30,

A4A8R55,

A4A4R16,

A4A4R60,

A4A8R26,

A4A8R52,

A4A4R20,

A4A4R40,

and

A4A4R64,

and to Table 3-4 for HP

part numbers.

28. On the spectrum analyzer, key in the following settings:

(CENTER FREQUENCY)

.....................................

100 MHZ

FREQUENCY SPAN]

&CiiV,

..........................................

kHz

...................................................

kHz

29. On the spectrum analyzer, press [REFERENCE LEVEL) and use the

DATA knob to position the signal peak near the reference level

(top graticule line).

30. On the spectrum analyzer, key in (PEAK SEARCH], MARKER (a,

and press

(JJJ

several times to position the second marker at the

leftmost graticule line.

Adjustments 3-91

1 2 ... 226 227 228 229 230 231 232 233 234 235 236 ... 404 405

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Agilent Technologies HP 8566B Spécifications Page 231

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