HP HP 8902A Manual de usuario

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Dear Customer,

As of November 1, 1999, four of Hewlett-Packard’s businesses, test and measurement,

semiconductor products, health care solutions, and chemical analysis became a new company,

Agilent Technologies. Now, many of your Hewlett-Packard products and services are in the care of

Agilent Technologies.

At Agilent Technologies, we are working diligently to make this transition as smooth as possible for

you. However, as a result of this transition, the products and related documentation contained in this

shipment may be labeled with either the Hewlett-Packard name and logo, the Agilent Technologies

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(HP), but applies to your Agilent Technologies product. Hewlett-Packard and Agilent branded

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If you have questions about Agilent Technologies products and services, please visit our website at

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QUICK

REFERENCE

GUIDF

8902A

MEASURING

RECEIVER

HEWLETT

PACKARD

8902A Operation and Calibration Manual

Part Number 08902-90029

<VI

AUDIO

AVO

OETECTW

SENSOR

MODULE

Slow

Fast

6.0 6.1

kHz

Tuoy

Off

6.2

DlSTWTlDN

AUDIO

ANALYZER

DETECTOR

SY”0US

DETECTOR

CHANNEL

FILTERS ETECTW

ERROR

MESSACE

B-

DISABLE

AUDIO

PEAK

]zHDIESJh

COUNTER

DETECTOR (OPTION

038

VOLTABE-TO-TIME

CONVERTER

SERIES

ONLY)

-A

Gain

(dB)

Attenuation

(dB)

10 20 30 40 50

1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8

AUTO’

1.9

ExceptTuned

Level

Audio Range

AUTO

7.0

RF Frequency Resolution

100

kHz

7.1 7.2 7.3 7.4

Modulation

("10,

pk)

01 01

02 02 02 02

03 03 03

04 04 04 04

8.2 8.3 8.4 8.5 8.6 8.7

Detector

All

Errors

Enabled

8.8

Pk,

Ave, RMS

Auto

400

01 01

02 02 02 02

03 03 03

04 04 04 04

8.2 8.3 8.4 8.5 8.6 8.7

@M(rad, pk)

0.4

400

2.0 2.4

2.1

(2.4)

2.2

2.3

Divide-by-10with

750

FM DE-EMPHASIS and PRE-DISPLAY.

All

Errors

Enabled

8.8

IF FREQ

455 kHz

[

1.5 MHz

Bandwidth

Wide Filter

Auto

2.5

MHz

200

kHz

2.5

Narrow Filter

HP Filter Out

RF HP Filter In

kHz Bandwidth NarrowFilter Out

3.0 3.6 3.5

3.1

3.2

3.8

3.7

3.3 3.4

Auto

20 30 40

9.0 9.1 9.2 9.3 9.4 9.5

Tuned RF Level Detector

Selection and Display Averaging

50 60

9.6 9.7

Detector

IFSvnchronous

IFAveraae

Auto

20 30 40

9.0 9.1 9.2 9.3 9.4 9.5 50 60

9.6 9.7

Audio Detector Response

Audio Peak Detector Response and

RMS

Detector Digital

Averaging Response:

Fast I

Slow

Measurement

AveragingTime@) AUTO

4.0

-1

5.1

0.1 AUTO 10 1 0.1

4.1

4.2

4.3

4.4

4.5 4.6 4.7

AUTO

10.0

10.1

10.2 10.3 10.4

Error Message Disable and Enable

10.5

DisableErrors

Gain

70.

RF Power Range

77.

Previous Ratio

1.2

Display previous ratio reference.

72/73.

Calibration FM, AM

Computed

Residual

Measured

Display Peak

Display Peak AM

12.0 13.0

12.1 13.1

12.2 13.2

74.

Limit

Set

Ratio

Reference

Enable

Display

Measurement Code

14.0

Disable

Lower Limit Upper Limit

14.1 14.2

14.3 14.4

14.5 14.6

14.7 14.8

14.9

Display limit status: Lower limit status. Upper (O=disabled,

=enabled).

Disable

Enable

Display

Cal Factor FM Cal Factor

16.0

17.0

16.1 17.1

16.2 17.2

75.

Time Base Check

15.0

Displays Error

if Option

002

is installed and oven is cold.

Displays

if Option

002

is installed and oven

warm, or if

Option

002

is not installed.

Displays

if internal time base is being used. Displays

external time base is being used.

15.1

Calibration Factors:

AM,

Calibration Factors: FM

Tone-Burst Receiver

18."

Configures instrument as a tone-burst receiver.

time delay

of NN ms is inserted between detection of a carrier and

unsquelching of the output at MODULATION OUTPUT/AUDIO

INPUT. Range of NN is

ms.

NN is

delay is

ms.

21. HP-lBAddress

Establish

Select

24.1 24.2

24.3 24.4

24.5 24.6

21.0

Displays HP-IB address in form AAAAAAA.TLS

AAAAAAA

binary address

talk only

listen only

requesting service

Display

Normalize

Noise Meas.

24.7

22. Service Request

22,"

value of

from

sums the weighted conditions below

to set up a service request mask. The summed, weighted

conditions are displayed when

64.

Data Ready

HP-IB error (Cannot be disabled.)

Instrument error

Limit exceeded

Frequency Offset mode state change

Recal or Uncal

Read back SRQ mask

23. External

(Option

030

Only)

23.0

23.1

23.2

Return the

to internal.

Set the

to external.

Display LO status:

Internal,

External)

24. Selective Power Measurement (Option 030 Only)

24.0

Sets the Measuring Receiver to the Selective Power Measurement

Mode.

Wide BW IF Filter

(Adjacent-Channel, Cellular)

Narrower BW IF Filter

(Adjacent-Channel)

Narrowest BW IF Filter

(Single-Sideband Noise)

24.8

24.9

Sets the value of the noise measurement

BW.

Display the value

the noise measurement

BW.

25.

External Attenuation

(dB)

25.2

Display attenuation value.

26. Set Reference

Frequency Offset Mode

Exit Re-enter

27.0 27.1

26.0

Exit attenuator measurement

26.1

Re-enter attenuator measurement

External

Display Enter/Enable

27.2 27.3

27. Frequency Offset Control

29/30. Other Audio Measurement Modes

29.0

SINAD

30.0

EXT

AUDIO RMS

LEVEL

31. Tuned

Level Noise Correction

31.0

Turn

off

noise correction.

31.1

Turn on noise correction.

31.2

Dipslay noise correction status

Off,

On).

32. dB and Frequency Resolution

32.0

Normal measurement resolution (Power:

0.01

dB resolution)

(Audio Frequencies from

100

250

kHz;

0.1

resolution).

Increased measurement resolution (Power:

0.001

dB resolution)

(Audio Frequencies form

100

250

kHz;

0.1

resolution).

Display measurement resolution status.

normal,

increased.

32.1

32.2

32.9 Tuned RF Level Measurements Using Track-Mode Tuning

Input a signal greater than

-30

dBm.

Select

32.9

SPCL.

using an external

LO,

enter the external LO frequency in

MHz.

Select

MHz

to enter the manual tune mode.

Step the signal generator down in amplitude and press the

CALIBRATE key whenever the RECAL annunciator is displayed.

33/36.

Other Measurement Modes

Display

Enter

33.0

LO FREQUENCY

34.0

FREQUENCY

35.0

RFLEVEL

36.0

PEAK TUNED

LEVEL

Power

Range Range

SET REF

Range

1 1

2 2

Reference

38.1

38.2 38.3 38.4

39.1 39.2 39.3 39.4

37.

Calibration Factors:

Power

37.0

Automatic Cal Factors

37.1

Manual Cal Factors

37.2

37.3

*Enter frequency, cal factor

37.4

*Display table size

37.5

*Recallreference cal factor

37.6

37.7

*Clear Table

Display Status

auto,

held)

*Recallnext frequency, cal factor

Two

tables are available. The table being used

determined by the status

of the Frequency Offset mode (Special Function

27).

38/39. Calibration Factors Tuned RF Level

39.9

Clear all calibration factors.

Frequency Offset (Special Function

27).

The Frequency Offset mode allows the Measuring Receiver to keep

track of frequencies involved in the down-conversion process. This

frequency offset process is used in conjunction with an external mixer

and Local Oscillator

(LO)

to extend the frequency coverage above

1300 MHz.

enter the Frequency Offset mode:

LO Frequency

exit the Frequency Offset mode:

re-enter the Frequency Offset mode with the same

frequency:

display the external

frequency:

Display

Code

MHz

----

------

To Solve an Input Problem

Solve an OperatingProblem

Adjust input signal level or change

measurement sensitivity. Decrease RF attenuationor gain.

Re-check operating conditions being

used.

Manually tune to input signal.

Check tuning. Re-check special operating conditions

being used.

Increase input signal level or decrease

AM.

Increase RF input attenuation.

Increase level of input signal.

Press the MHz key to center IF signal

in IF passband.

problem persists, signal may be

drifting.

Decrease RF and/or IF gain setting.

Decrease selected

input attenuatior

or increase IF gain.

Range Hold is being used, check

range limits.

Decrease modulation level on input

signal to within measurement range. Increase range limit setting, Special

Function

2.N.

Increase carrier level or decrease AM

depth

(<go%).

Input level exceeds

Vrms

W peak).

Decrease level of input signal.

making a TRFL measurement, also

press the CLEAR key.

Decrease selected RF or IF gain.

Range Hold is being used, check

range limits.

Decrease modulation level on input

signal.

making a TRFL measurement,

decrease level of input signal and pres

CLEAR key.

Decrease selected RF or IF gain.

Range Hold is being used, check

range limits.

Check connection to Calibrator.

Check for Calibrator malfunction.

Check internaltime base for

malfunction(Option

002

only).

Adjust frequency of input signal to

within measurement range, or increase

measurement range.

making a TRFL measurement, set thc

input level to between

and

-20

dBm.

Select the Frequency mode. When the

instrument displays the frequency of

the input signal, press the MHz key an(

re-enter the TRFL mode.

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