LIST OF ILLUSTRATIONS

TM 11-6625-2781-14&P-2

Page

5-24.

200 MHz IF Bandpass Adjustment....................

5-10

Section VIII

SERVICE ..............................................................

8-1

5-25.

150 MHz Oscillator Adjustment.........................

5-12

8-1.

Introduction............................................................

8-1

5-26.

120 MHz Low Pass Filter Check and Adjust-....

8-3.

Line Voltage Requirements....................................

8-1

ment ..............................................................

5-14

8-5.

Maintenance Aids ..................................................

8-1

5-27.

100 kHz Reference Oscillator Check ................

5-16

8-7.

Test Equipment and Accessories Required ..........

8-3

5-28.

APC Sampler Adjustment .................................

5-18

8-10.

Adjustments ..........................................................

8-3

5-29.

APC Search Oscillator Checks .........................

5-20

8-12.

General Procedures ..............................................

8-4

5-30.

APC 100kHz Rejection Adjustment...................

5-21

8-15.

General Service Information ..................................

8-4

5-31.

APC Tuning Stabilizer Final Check ...................

5-23

8-22.

Basic Transistor Circuits .......................................

8-4

Section VI

REPLACEABLE PARTS ..................................

6-1

8-34.

Standard Diode Circuits ........................................

8-8

Section VII

MANUAL CHANGES........................................

7-1

8-38.

Special Types of Semiconductors .........................

8-8

7-1.

Introduction........................................................

7-1

8-44.

Repair....................................................................

8-9

7-4.

8553B Option H01/H02 .....................................

7-1

8-53.

Switching Information ............................................

8-10

7-7.

Performance Test Procedure Changes for Op-.

Appendix

tion H l0/H 02 ................................................

7-1

Appendix A.

References ............................................................

A-1

7-8.

Input Impedance................................................

7-1

Appendix B.

Difference Data Sheets .........................................

B-1

7-9.

Average Noise Level..........................................

7-1

Appendix C.

Maintenance Allocation Chart ................................

C-1

7-10.

Spurious Responses .........................................

7-3

Appendix D.

Repair Parts and Special Tools List ......................

D-1

7-11.

Residual Responses .........................................

7-4

Appendix E.

Manual Supplement...............................................

E-1

7-12.

Manual Back-Dating ..........................................

7-6

LIST OF ILLUSTRATIONS

Figure

Title

Page

Figure

Title

Page

1-1.

Model 8553B Spectrum Analyzer RF Section ...

5-5.

200 MHz Bandpass Shape Adjustment: CRT

with 141T Display Section and 8552A Spec- ..

Display ............................................................

5-11

trum Analyzer IF Section .................................

1-0

5-6.

150 MHz Oscillator Adjustment Test Setup ..........

5-12

1-2.

Instrument Identification ....................................

1-2

5-7.

120 MHz Low Pass Filter Adjustment Test

1-3.

Typical Resolution .............................................

1-5

Setup...............................................................

5-14

1-4.

Typical Frequency Response ............................

1-5

5-8.

120 MHz Bandpass Shape....................................

5-15

1-5.

Typical Dynamic Range.....................................

1-6

5-9.

100 kHz Reference Oscillator Check Test Set-

1-6.

HP 11592 Service Kit Required for Mainte-.......

up ....................................................................

5-16

nance ..............................................................

1-9

5-10.

Reference Oscillator Output Measurement ...........

5-17

1-7.

Test Fixture .......................................................

1-10

5-11.

APC Sampler Adjustment Test Setup ...................

5-18

2-1.

RF Section and IF Section Interconnections. ....

2-3

5-12.

APC Sampler Adjustment......................................

5-19

3-1.

Spectrum Analyzer Controls, Indicators and .....

5-13.

APC Search Oscillator Check Test Setup.............

5-20

Connectors......................................................

3-3

5-14.

APC 100 kHz Rejection Adjustment Test Set-

3-2.

Operational Adjustments ...................................

3-6

up ....................................................................

5-21

3-3.

General Operating Procedures..........................

3-8

5-15.

APC Tuning Stabilizer Final Check Test Setup.....

5-23

3-4.

Spectrum Analyzer, Rear Panel Controls and ...

7-1.

Sensitivity Measurement: CRT Display .................

7-2

Connectors......................................................

3-10

7-2.

Intermodulation Distortion Test..............................

7-3

4-1.

30 MHz Calibrator Signal and Harmonics .........

4-2

7-3.

Residual Response Test: 10 to 110 MHz CRT

4-2.

Vertical Gain Adjustment...................................

4-2

Display ............................................................

7-5

4-3.

Input Impedance Accuracy Test: 500 kHz to.....

7-4.

H01/H02 Schematic Changes for Service

110 MHz..........................................................

4-6

Sheet 4, Figure 8-31 .......................................

7-7

4-4.

Input Impedance Accuracy Test: 1 kHz to 500..

7-5.

H01/H02 Schematic Changes for Service

kHz..................................................................

4-7

Sheet 3, Figure 8-26 .......................................

7-8

4-5.

Scan Width Accuracy Test: 10 MHz/Div ...........

4-8

8-1.

8553B A5 Voltage Control Assy Extended for

4-6.

Scan Width Accuracy Measurement.................

4-9

Maintenance....................................................

8-2

4-7.

Scan Width Accuracy Test: .05 MHz/Div ..........

4-9

8-2.

8553B Inverted Extension for Maintenance. .......... .

8-2

4-8.

Tuning Dial Accuracy Test ................................

4-11

8-3.

Transistor Operation..............................................

8-5

4-9.

Frequency Response Test: 10 MHz ,to 110......

8-4.

Examples of Diode and Transistor Marking

MHz.................................................................

4-13

Methods ..........................................................

8-5

4-10.

Frequency Response Test: 1 kHz to 10 MHz....

4-14

8-5.

Basic Transistor Circuits .......................................

8-6

4-11.

Sensitivity Measurement: CRT Display .............

4-16

8-6.

Basic Flip-Flop Circuits .........................................

8-7

4-12.

Intermodulation Distortion Test..........................

4-17

8-7.

Basic One-Shot Multivibrator Circuits....................

8-7

4-13.

Residual Response Test: 10 to 110 MHz CRT .

8-8.

Field Effect Transistor Operation .........................................

8-8

Display ............................................................

4-19

8-9.

Basic Diode Circuits ..............................................

8-8

4-14.

Noise Sideband Test .........................................

4-20

8-10.

Silicon Controlled Rectifier used as a Crowbar......

8-9

4-15.

Demodulation Sensitivity Measurement.............

4-21

8-11.

Zener Diode Characteristics ..................................

8-9

5-1.

First Local Oscillator Adjustment Test Setup. ...

5-5

8-12.

Varactor Characteristics ........................................

8-9

5-2.

First Local Oscillator Adjustment: CRT Dis- .....

8-13.

Dial Restringing Procedure....................................

8-11

play..................................................................

5-6

8-14.

Evolution of Straight-Line Switch Presenta-

5-3.

Tuning Range Adjustment Test Setup ..............

5-8

tion ..................................................................

8-12

5-4.

200 MHz IF Bandpass Adjustment Test Setup .

5-10

8-15.

Three Positions of Index Light Selector Wafer......

8-12