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Manuals
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Keithley Manuals
Synthesizer
3940
Operator's manual
Keithley 3940 Operator's Manual
Multifunction synthesizer
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:
Service manual
(59 pages)
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Contents
Table of Contents
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Table of Contents
Table of Contents
SECTION 1 - General Information
Introduction
Features
Warrantyinformation
Manualaddenda
Safety Terms and Symbols
Unpacking and Repacking
Unpacking
Operator'smanual
Optional Accessories
Specifications
2 Getting Started
Introduction
Installation
Installationlocation
Fan
Line Voltage Supply
Line Voltage Selector Switch
Line Receptacle Connection
Linefuse
Basicoperation
Frontpanelsummary
Typical Test Connections
Figure 2-L Frontpanelsummary
Operating Examples
3 Operation
Introduction
Front Panel and Rear Panel Description
Front Panel Description
Rearpaneldescription
Figure 3-2 Rearpanel
Input and Output Connections
Inputconnections
Outputconnections
Startup
Operating Procedures
Setting Parameters Using Numeric Keys
Setting Parameters with MODIFY
Errorcodes
Table 3-2 Sub Synthesizer Amplitude Range
Unitsconversion
Frequency Programming
Amplitude Programming
DC Offset Programming
AC Amplitude and DC Offset Relational Restrictions
Waveform Selection, Square-Wave Duty Factor, and Synchronous Output
Oscillation Mode and Trigger Source Selection
Mark, Space, and Phase Parameter Programming
Figure 3-14 Waveform Examples with Hold Stop Level
Figure 3-16 Phase Sync Operation
Synchronousoperation
Frequency Sweep Operation
Figure 3-18 Sweep Frequency and Sweep Output
Figure 3-19 Sweepoperation
Introduction
Gpiboverview
Major GPIB Specifications
4 L
Bus Line Signals and Operation
Gpibhandshaking
Data Transfer Example
Basictalkerfunctions
Basic Listener Functions
Multi-Line Interface Messages
Figure 4-3 Data Transfer Example
Introduction
Specifications
Table 4-2 Interfacefunctions
Table 4-3 Busdriverspecifications
Figure 4-4 Program Code Syntax
Table 4-4 Responses to Interface Messages
Figure 45 Response Output Format
Model 3940 Program Codes
Table 4-6 Main Synthesizer Parameter Setting Messages
Table 4-7 Sub Synthesizer Parameter Setting Messages
GPIB Interface
Table 4-8 Main Synthesizer Trigger Parameter Setting Messages
Table 4-9 Main Synthesizer Sweep Parameter Setting Messages
Table 4-10 Miscellaneous Parameter Messages
Table 4-19 Inquiry Messages for Parameters Specific to GPIB
Table 420 Typical Execution Times
Table 4-21 Program Codes Summary
B.2 Gpib Interface
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Service Manual
onfains
crating
srmafion
Publication
Date: March 1991
Document
Number: 3940-900-01 Rev. .A
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