LOCK-INAMPLIFIER
MODEL SR530
1290-DReamwood Avenue Sunnyvale, CA 94089 U.S.A
Copyright 1997, Stanford Research Systems, Inc
Page
Command List
Table of Contents
SR530 Block Diagram
Condensed Information
Calibration and Repair
Circuit Description
Appendix A Noise Sources and Cures
Appendix B RS232
LINE VOLTAGE SELECTION
FURNISHED ACCESSORIES
LINE FUSE
LINE CORD
Page
Signal Channel
SR530 Specification Summary
General
Reference Channel
Outputs & Interfaces
Demodulator
Front Panel Summary
Phase Controls
Abridged Command List
SW1 GPIB Mode Switches
Configuration Switches
SW2 RS232 Mode Switches
Status Byte Definition
Signal Filters
Signal Inputs
SR510 Guide to Operation Front Panel
Sensitivity
Status
Dynamic Reserve
Display Select
Channel 1 Display
Output Channel
R Output
Rel Channel
Offset Channel
X RCOSØ Output
Expand Channel
Channel 2 Display
Ø Output
Output Channel
Auto Phase
Rel Channel
Offset Channel
Reference Input
Y RSINØ Output
Trigger Level
Expand Channel
Reference Mode
Phase Controls
Reference Display
Time Constant
Local and Remote
Power
Defaults
GPIB Connector
AC Power
RS232 Connector
Signal Monitor Output
There are four ways to set the frequency
SR530 Guide to Programming
Command Syntax
Communicating with the SR530
Front Panel Status LEDs
Try-Outwith an ASCII Terminal
RS232 Echo and No Echo Operation
E m ,n
SR530 Command List
AX AY AR AP
OX n ,v OY n ,v OR n ,v
J n1,n2,n3,n4
L m ,n
U m ,n
Q1 Q2 QX QY
T m ,n
X n ,v
Errors
Status Byte
Trouble-ShootingInterface Problems
Reset
Common Hardware Problems include
Common Software Problems include
The SR530 with the RS232 Interface
Wait Command
The SR530 with the GPIB Interface
Data Communications Equipment DCE
The SR530 with BOTH Interfaces
Serial Polls and Service Requests
GPIB with RS232 Echo Mode
A Measurement Example
The Lock-inTechnique
Shielding and Ground Loops
Understanding the Specifications
Quasi-DifferentialConnection
Page
SR530 Block Diagram
Phase Sensitive Detectors
The Signal Channel
Reference Channel
DC Amplifiers and System Gain
Circuit Description
Signal Amplifier
Introduction
Current Amplifier
Demodulator and Low Pass Amplifier
Reference Oscillator
A/Ds
Analog Output and Control
D/As
Expand
RS232 Interface
Power Supplies
GPIB Interface
Internal Oscillator
Amplifier and Filter Adjustments
Multiplier Adjustments
Calibration and Repair
CMRR
Replacing the Front-EndTransistors
1Remove the AC power cord from the unit
Notch Filters
Non-EssentialNoise Sources
Appendix A Noise Sources and Cures
Capacitive Noise Coupling
Resistive Coupling
Appendix B Introduction to the RS232
CASE 1 - The Simplest Configuration
Baud Rate
CASE 2 - RS232 with Control Lines
Parity
Stop Bits
Voltage Levels
Final Tip
Bus Description
Appendix C Introduction to the GPIB
Program Example IBM PC, Basic, via RS232
Appendix D Program Examples
IBM PC, Microsoft Fortran v3.3, via RS232
Program Example
call
Program Example
IBM PC, Microsoft C v3.0, via RS232
txstr ″q2$″ /* read channel 2 output
120′
390′
10 x=0 20 OUTPUT 716 ″Q″ 30 ENTER
Program Example HP85 via GPIB
40DISP ″CH1 = ″ 50OUTPUT 716 ″Q2″
60 ENTER 716 70DISP ″CH2 = ″ 80X = X +
Documentation
Oscillator Board Parts List
SR530 COMPONENT PARTS LIST
SRS part#
VALUE
SR530 COMPONENT PARTS LIST
Main Board Parts List
SRS part#
VALUE
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SR530 COMPONENT PARTS LIST
Front Panel Board Parts List
SRS part#
VALUE
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SR530 COMPONENT PARTS LIST
Quad Board Parts List
SRS part#
VALUE
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SRS part#
SR530 COMPONENT PARTS LIST
VALUE
DESCRIPTION
SR530 COMPONENT PARTS LIST
Miscellaneous Parts List
SRS part#
VALUE
SR530 COMPONENT PARTS LIST