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