Informações sobre o equipamento:

Wavetek 280 Gerador
Fabricante:
Wavetek
Modelo: 280
Data:
Categoria: Instrumentos de medição
Grupo: Gerador
Descrição: 20 MHz Synthesized Function Generator
Informações:
                                    The model 288 Signal Generator is a precision source of
sine, triangle, and variable symmetry (ramp and pulse)
waveforms for use in the installation and maintenance of
radio receivers, transmitters, and other electronic equipment.
• Push button control for easy operation.
• Indicator lights give constant equipment status.
• Large, 16 character (fourteen segments/ character),
display for all parameters.
• Programmed Interface for remote operation.
• Programmable sine, triangle, square, and dc outputs.
• Variable symmetry provides pulse and ramp waveforms.
• Balanced and unbalanced outputs.
• Built-in calibration and fault analysis programs with
extensive self-adjustment.
• Battery backup for saving system setups.

Estes manuais estão disponíveis para os equipamentos acima:

Tipo manual: Serviço e Manual do Usuário Wavetek-6391-Manual-Page-1-Picture
Páginas: 146
Tamanho: 8.63 Mbytes (9049885 Bytes)
Idioma: Inglês
Revisão: revised
Manual-ID/Number: 1300-00-0561
Data:
Qualidade: Scaned documento, todas legível.
Envie data:
MD5: 681c8adab674d5895959cee7c53b1409
Downloads: 240 desde 17 Novembro 2014
Informações:
1.1
INTRODUCTION ... 1-1
1.1.1 List of
Abbreviations ... 1-1
1.2
OPTIONS ... 1-1
1.3
SPECIFICATIONS ... 1-1
1.3.1 Waveforms
(functions) ... 1-1
1.3.2 Operational
Modes ... 1-1
1.3.3 Waveform
Quality ... 1-2
1.3.4
Frequency ... 1-2
1.3.5 Amplitude
 ... 1-2
1.3.6
Offset ... 1-2
1.3.7
Outputs ... 1-2
1.3.8
Inputs ... 1-3
1.3.9
Displays ... 1-3
1.3.10 GPIB
Programming ... 1-3
1.3.11
General ... 1-3
1.4 EQUIPMENT
SUPPLIED ... 1-3
1.5 EQUIPMENT REQUIRED BUT NOT
SUPPLIED ... 1-3
SECTION 2 PREPARATIONS
2.1 RECEIVING AND INSPECTING
SHIPMENTS ... 2-1
2.2 RETURNING EQUIPMENT FOR
REPAIR ... 2-1
2.3 INITIAL
CHECKOUT ... 2-1
2.3.1
Introduction ... 2-1
2.3.2 Preparation for
Use ... 2-1
2.3.3 Turn-on and Initial Checkout
Procedure ... 2-2
2.3.4 Maintenance Messages and
Errors ... 2-3
2.3.5 Performance
Verification ... 2-3
2.4 PREVENTIVE
MAINTENANCE ... 2-6
2.4.1
General ... 2-6
2.4.2 PM
Procedures ... '.r ... 2-6
SECTION 3 OPERATION
3.1 USE AND FUNCTION OF EACH
CONTROL ... 3-1
3.1.1 Front Panel Controls, Indicators, and
Connectors ... 3-1
3.1.2 Rear Panel Controls, Indicators, and
Connectors ... 3-11
3.2..NORMAL
OPERATION ... 3-12
3.2.1
Start-Up ... 3-12
3.2.2 Continuous Wave
(CW) ... 3-12
3.2.3 Sweep
Modulation ... 3-13
3.2.4 Amplitude Modulation
(AM) ... 3-14
3.2.5 Frequency Modulation
(FM) ... 3-15
3.2.6 Voltage Controlled Frequency
(VCF) ... 3-17
3.2.7 GPIB (Remote)
Operation ... 3-19
3.3 GPIB COMMAND STRUCTURE
 ... 3-20
3.3.1
Introduction ... 
3-20
3.3.2 Model 288
Commands ... 
3-20
3.3.2.1 Command
Types ... 
3-21
3.3.2.2 288 Command
Syntax ... 
3-22
3.3.2..3 288 Command
List ... 
3-23
3.3.3 Universal and Addressed
Commands ... 3-26
3.3.4 Detailed Command
Descriptions ... 3-26
3.3.5 Service
Requests ... 3-28
3.3.6 Displaying
Messages ... 3-29
3.3.7 GPIB
Keys ... 3-30
SECTION 4 CIRCUIT DESCRIPTION
4.1 THE MODEL 288
 ... 
4-1
4.2 DETAILED CIRCUIT
DESCRIPTION ... 
4-2
4.2.1 Motherboard
Assembly ... 
4-2
4.2.1.1 Microprocessor
Circuit ... 
4-2
4.2.1.2 GPIB Interface
Circuit ... 
4-2
4.2.1.3 Frequency Synthesizer
Circuit ... ■
4-3
4.2.1.4 Internal Calibration Network
Circuit ... 
4-3
4.2.1.5 DAC/Sample and Hold Network
Circuit ... 
4-3
4.2.1.6 Secondary Input/Output Network
Circuit ... 
4-3
4.2.1.7 Relay Driver Network
Circuit ... 
4-4
4.2.1.8 Balanced Output Attenuator Network and Impedance
Control Circuit ...  4-4
4.2.1.9 Unbalanced Output Attenuator Network and Impedance
Control Circuit ...  4-4
4.2.1.10 Power Supplies
Circuit ... 
4-4
4.2.2 Front
Panel ... 
4-4
4.2.2.1 Control
Knob ... 4-4
4.2.2.2
Display ... 4-4
4.2.2.3 Keyboard
Circuit ... 4-5
4.2.2.4 LED
Circuit ... 4-5
4.2.3 Function
Generator ... 4-5
4.2.3.1 VCG Summing
Amplifier ... 
4-5
4.2.3.2 Sweep
Generator ... 
4-5 .
4.2.3.3 Symmetry
Control ... 
4-6
4.2.3.4 VCG Current
Sources ... 
4-6
4.2.3.5 High Frequency
Compensation ... 
4-6
4.2.3.6
Comparator ... 
4-6
4.2.3.7 Frequency Range
Switches ... 
4-7
4.2.3.8 Capacitance
Multiplier ... 
4-7
4.2.3.9 Triangle
Buffer ... 
4-7
4.2.3.10 Auto
Calibration ... 
4-7
4.2.4 Phase Lock Loop
Assembly ... 
4-7
4.2.4.1 Phase Lock
Loop ... 4-7
4.2.4.2 Sine
Convertor ... 4-8
4.2.4.3 Amplitude
Modulator ... 4-9
4.2.5 Output
Assembly ... 4-9
4.2.5.1 Function
Selector ... 4-9
4.2.5.2
Preamplifier ... 
4-9
4.2.5.3 R-R2
Ladder ... 
4-9
4.2.5.4 Power
Amplifier ... 
4-9
4.2.5.5 -20dB
Attenuator ... 
4-10
4.2.5.6 Unbalanced and Balanced
Drivers ... 
4-10
4.2.5.6 Peak
Detector ... 
4-10
4.2.6..Rear
Panel ... 
4-10
SECTION 5 CALIBRATION PROCEDURE
5.1
CALIBRATION ... 
5-1
5.1.1 Auto
Cal ... 
5-1
5.1.2
Calibrate ... 
5-1
5.2.AUTO CAL
PROCEDURE ... 
5-1
5.3 CALIBRATE
PROCEDURE ... 
5-1
SECTION 6 TROUBLESHOOTING
6.1
INTRODUCTION ... 
6-1
6.2 FACTORY
REPAIR ... 
6-1
6.3 BEFORE STARTING
 ... 
6-1
6.3.1
Inspection ... 
6-1
6.4
TROUBLESHOOTING ... 
6-1
SECTION 7 PARTS LISTS AND SCHEMATICS
7.1..DRAWINGS ... 
7-1
7.1.1 Assembly
Drawings ... 
7-1
7.1.2
Schematics ... 
7-1
?.1.3 Parts
Lists ... 
7-1
7.2..ADDENDA ... 
7-1
7.3 ORDERING
PARTS ... 
7-1
APPENDIX A. PERFORMANCE VERIFICATION FORM
 ... 
A-1
Wavetek-6391-Manual-Page-1-Picture


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