SRS Labs SR510 User Manual
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TABLE OF CONTENTS
Condensed Information
SAFETY and Preparation for use
1
Symbols
2
Specifications
3
Front Panel Summary
5
Abridged Command List
7
Status Byte Definition
9
Configuration Switches
9
Guide to Operation
Front Panel
11
Signal Inputs
11
Signal Filters
11
Sensitivity
11
Dynamic Reserve
12
Status Indicators
12
Display Select
12
Output
13
Expand Function
13
Rel Function
13
Offset
13
Time Constants
17
Noise Measurements
17
Reference Input and Trigger Levels
9
Phase Controls
Power Switch
18
Local/Remote Operation
18
Default Settings
18
Rear Panel
19
AC Power
19
GPIB (IEEE-488) Connector
19
RS232 Interface
19
Signal Monitor Output
19
Pre-Amp Connector
19
A/D Inputs and D/A Outputs
19
Ratio Feature
19
Internal Oscillator
19
Guide to Programming
Communications
21
Command Syntax
21
Status LED's
21
RS232 Echo Feature
22
Try-out with an ASCII Terminal
22
Command List
23
Status Byte
26
Errors
26
Reset Command
27
Trouble-Shooting Interface Problems
27
Common Hardware Problems
27
Common Software Problems
27
RS232 Interface
Introduction to the RS232
29
Data Communications Equipment
29
Wait Command
29
Termination Sequence
29
GPIB (IEEE-488) Interface
Introduction to the GPIB
31
GPIB Capabilities
31
Response to Special GPIB commands
31
Serial Polls and SRQ's
31
Echo Mode using the RS232
31
Using Both the RS232 & GPIB
31
Lock-in Technique
Introduction to Lock-in Amplifiers
33
Measurement Example
33
Understanding the Specifications
34
Shielding and Ground Loops
34
Dynamic Reserve
35
Current Input
35
Auto-Tracking Bandpass Filter
35
Notch Filters
36
Frequency Range
36
Noise Measurements
36
Output Filters
36
Ratio Capability
36
Computer Interface
36
Internal Oscillator
36
SR510 Block Diagram
Block Diagram
37
Signal Channel
38
Reference Channel
38
Phase-Sensitive Detector
38
DC Amplifier and System Gain
38
Microprocessor System
38
Circuit Description
Introduction
39
Signal Amplifier
39
Current Amplifier
39
Notch Filters
39
Bandpass Filter
39
Reference Oscillator
40
PSD, LP Filters and DC Amplifier
40
Analog Output
41
A/D's
41
D/A's
41
Expand 41
Front Panel
41
Microprocessor Control
41