Geräte Informationen:

EIP Incorporated 545A Frequenzzähler
Hersteller:
EIP Incorporated
Modell: 545A
Datum: 1981
Kategorie: Messgeräte
Gruppe: Frequenzzähler
Beschreibung: Microwave Frequency Counter
Informationen:
                                    The 54XA series counters are microprocessor-based heterodyne
instruments. The 545A and 548A span the frequency range
from 10 Hz to 18 GHz and 10 Hz to 26.5 GHz. respectively.
The model 548A, when equipped with frequency extension
capability (Option 06), is used in conjunction with a
remote sensor (See Model 590) to measure up to 110 GHz.
Using keyboard control, the 54XA series counters provide
frequency offsets and frequency selectivity. Options
include Power Measurement, full Systems capability via
GPIB or BCD/Remote Programming and D/A Converter output.
Full frequency range is covered in three bands. Band 1
is a high impedance input (1 M ohm/20 pF), and spans a
10 Hz to 100 MHz range, with a sensitivity of 25 mV RMS.
Band 2 has an input impedance of 50 ohms, a 10 MHz to
1 GHz range, with a sensitivity of —20 dBm. Band 3
has an input impedance of 50 ohms nominal over a range
of 1 GHz to 18 (or 26.5) GHz, and a sensitivity to -30 dBm.
For frequencies above 26.5 GHz a remote sensor, with an
appropriate waveguide input, is called Band 4.

Measurements are presented on a 12 digit LED display
that is sectionalized to read GHz, MHz, kHz, and Hz.
When the optional power measurement function is activated,
the digits on the far right display power in dBm with
0.1 dB resolution, and frequency resolution is limited
to 100 kHz.

Folgende Anleitungen sind für obiges Gerät verfügbar:

EIP Incorporated -- 545A -- Service- und Bedienungsanleitung
Dateiname: EIP-4314-Manual-Page-1-Picture
Dokumenttyp: Service- und Bedienungsanleitung
Seitenanzahl: 242
Dateigröße: 45.16 Mbytes (47357391 Bytes)
Sprache: Englisch
Revision: Eighth Edition
Dokument-ID/Nummer: 5580033-00
Datum: November 1987
Qualität: Gescanntes Dokument, teilweise schwer oder teilweise nicht zu lesen.
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Informationen:
Section 1, General Information

Description..........................1-1

Specifications ........................1-2

Section 2, Installation

Safety..................................2-1

Installation..........................2-2

Counter Identification...................2-2

Shipping and Storage....................2-2

Performance Checkout Procedure ...........2-2

Section 3, Operation

Front Panel Controls and Indicators..........3-1

Display..........................3-1

Operating Status....................3-2

Power Meter/DAC Option .............3-2

Signal Input.......................3-3

Rear Panel Controls and Connectors..........34

Keyboard...........................3-5

Units...........................3-5

Clear (Data/Display).................3-5

Band Selection........................3-6

Resolution/Gate Time Selection ............3-7

Display and Data Entry Sequence ...........3-8

Multiply Function .....................3-9

Frequency Limits.....................3-10

Test Selection.......................3-11

Set-Up for Basic Frequency»*Measurement.....3-13

Frequency Offsets ....................3-13

Display Error Messages .................3-14

Section 4, Theory of Operation

General.............................4-1

Basic Counter ........................4-2

Band 2 Converter......................4-2

Band 3 Converter......................4-7

Converter Control A108...............4-7

Converter A203 .................... 4-7

Operation........................4-9

Section 5, Maintenance and Service

Maintenance..............................5-1

Fuse Replacement........................5-1

Periodic Maintenance......................5-1

Service.................................5-2

Disassembly Repair, Replacement and

Reassembly by Assembly.................5-2

Factory................................ 5-7

Field.................................5-8
PAGE
Section 6, Troubleshooting

Signature Analysis .....................6-1

Free Running......................6-1

Program Controlled..................6-3

Self Diagnostics.......................6-3

Keyboard Controlled Circuit Tests...........64

Tests..............................6-6

Significant Addresses, I/O Ports............ 6-8

Significant Addresses, RAM..............6-10

Troubleshooting Trees..................6-11

Test Equipment Required ...............6-11

Section 7, Adjustments and Calibrations

General.............................7-1

Power Supply Adjustments................7-1

YIG DAC Calibration Process.................7-3

YIG DAC Correction Table................7-3

Time Base Calibration...................7-5

Temperature Compensated Crystal

Oscillator (TCXO).....................7-5

TCXO Calibration..................... 7-6

Display Intensity ......................7-6

Section 8, Performance Tests

General.............................8-1

Variable Line Voltage...................8-1

Required Test Equipment ................8-1

Band 1.............................8-1

Band 2.............................8-2

Band 3.............................8-2

Section 9, Functional Description and Illustrated Parts Breakdown.................9-1

Reference Designations and Abbreviations......9-1

Assembly Locations and Cable Connections.....9-2

545A/548A Microwave Counter Top Assembly

Parts List..........................9-3

545/548 Overall Block Diagram.............9-5

A100 Counter Interconnect............. 100-1

A101 Power Supply .................. 101-1

A105 Microprocessor ................. 105-
Section 9, (Continued)

A106 Count Chain......................................106-1

A107 Gate Generator..................................107-1

A108 Converter Control ..............................108-1

A109 Band 2 Converter................................109 1

A110 Front Panel Display and Keyboard ....	110-1

A111 Front Panel Logic................................111-1

A203 Microwave Converter ..........................203-1

Section 10, Options

Option 01, Digital-to-Analog Converter (DAC) ....	01-1

Specifications ..................01-1

Operation.....................01-1

Theory of Operation..............01-2

Calibration ....................01-6

Troubleshooting.................01-7

DAC Signatures.................01-8

Parts List .....................019

Option 02, Power Measurement..............02-1

Specifications ..................02-1

Operation.....................02-1

Theory of Operation..............02-2

Calibration ....................02-6

Option 03, Time Base Oscillators ..........03/4/5-1

04, 05 Oven Oscillator Power Supply.....03/4/5-3

Oven Oscillator Calibration.......03/4/5-4

Option 06, Extended Frequency Capability ......06-1

Specifications ..................06-1

Operation.....................06-1

Theory of Operation - Hardware......06-2

Theory of Operation - Software......06-3

Locking Process........................................06-3

Initialization......................................06-3

VCO Sweep........................................06-3

Centering..........................................06-4

Performance Tests ...............06-6

Option 07, Remote Programming/BCD Output ....	07-1

Specifications .....................07-1

Operation.....................07-1

BCD Output.................07-1

Remote Programming...........07-2

Control Line Functions .........07-2

Data Line Functions ...........07-2

Program Line Functions.........07-3
PAGE
Section 10, (Continued)

Data Entry....................07-4

Data Examples..................07-4

Remote Programming Pin Connections . .	07-5

Theory of Operation..............07-6

Parts List .....................07-9

Option 08, General Purpose Interface Bus (GPIB) . . . 08-1

GPIB Functions Implemented.........08-1

Setting Address Switch.............08-1

Device Dependent Data Input.........08-2

GPIB Instruction Format............08-2

Formal Definition of Instructions......08-3

Program Code Set.................08-4

Available Commands...............08-6

Data Output Format.............. Q3-10

Program Examples................08-11

Reading Measurement..............08-12

Allowable Address Codes............08-13

Parts List ......................08-15

Option 09, Rear Input ....................09 1

010, Chassis Slides..................010-1

Option 13, Mate-CIIL Interface.................013-1

Option 14, 0.1 Hz Resolution..................014-1

Appendix A, Accessories....................A-1

Furnished Accessories....................A*1

Purchased Accessories....................A-1

Remote Sensor Option....................A-1

Service Kit.........................A-2

Appendix B, List of Manufacturers................B-1

Appendix C, Memory Address Changes............. C1

New Error Messages........................ C2

Other New Features ...................... C2
EIP-4314-Manual-Page-1-Picture
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