Stanford Research Systems SR620 Manuals

Manuals and User Guides for Stanford Research Systems SR620. We have 1 Stanford Research Systems SR620 manual available for free PDF download: Manual

Stanford Research Systems SR620 Manual (124 pages)

Universal Time Interval Counter

Brand: Stanford Research Systems | Category: Measuring Instruments | Size: 1 MB

Table of Contents
3
Specifications
9
Abridged Command List
13
Quick Start Instructions
17
Instrument Overview
18
Gpib/Rs232/Printer Interfaces
18
Front Panel Operation
19
Choosing the Measurement
19
Setting the Mode
19
Setting the Source
19
Setting the Arming Mode
19
Setting the Number of Samples
19
Starting Measurements
19
Scope Graphics Controller
19
Arming Mode Summary
20
I/O Ports and LED Drivers
20
Choosing the Output Display
21
Setting the Front Panel Display
21
Analog and ECL I/O
21
Graphics Outputs
22
Graph Types
22
Scaling Graphs
22
Graphics Cursor
22
Graphics Zoom
22
Slow Counters and REF out
22
Hardcopy Output
23
Chart Outputs
23
Fast Clocks and Timebase
23
Front-End Input Comparators
24
Setting the Inputs
25
Setting Trigger Levels
25
Setting Trigger Slopes
25
Input Termination
25
UHF Prescalers
25
ECL Mpx/Freq Gating/Counters
25
Input Coupling
26
Reference Output
26
Timebase Input and Output
26
DVM Inputs
26
Fast Time Interval Logic
26
Sample Arming
27
TIME Mode
27
Time Interval Arming
27
Time
27
Time Interpolators
27
Time, Ext
28
TIME, EXT with HOLDOFF
28
Time
28
A/D, D/A and Threshold Pots
28
Width Arming
29
Width:+Time
29
Width:+Time, Ext
29
WIDTH:+TIME, EXT with HLDF
29
Rise and Fall Time Arming
29
Rise/Fall: +Time
29
Rise/Fall: Ext
29
Unregulated Power Supplies
29
Frequency Arming
30
Frequency Ratio
30
Period Arming
30
Period Ratio
30
Phase Arming
30
Power Supply Regulators
30
Count Arming
31
Count Ratio
31
Delayed Arming Modes
31
Spares and Decoupling
31
Configuration Menus
33
CONTROL Menu
33
GPIB Parameters
33
RS232 Parameters
33
CALIBRATION Menu
33
Autocal
33
Clock Source
34
OUTPUT Menu
34
Graphics Enable
34
Printer/Plotter Control
34
Jitter Type Selection
35
Gate Scale Multiplier
35
Trigger Knob Range
35
SCAN Menu
35
Enabling Scans
35
Setting D/A Outputs
36
Scanning the D/A's
36
External Trigger Delays
36
Scan Examples
36
Specification Guide
39
Definition of Terms
39
Least Significant Digit
39
Resolution
39
Error
39
Differential Non-Linearity
39
Timebase Specifications
40
Short-Term Stability
40
Long-Term Stability
40
External Timebases
41
Trigger Input Specifications
41
Measurement Accuracy
42
Programming the SR620
45
Communications
45
GPIB Communication
45
Data Window
45
Command Syntax
45
Detailed Command List
46
Trigger Commands
46
Measurement Control
47
Data Transmission
48
Binary Dump
49
Scan Control
50
Graphics Control
51
Front Panel Control
52
Interface Control
53
Status Reporting
55
Calibration Commands
55
Serial Poll Status Byte
56
Event Status Byte
57
TIC Status Byte
57
Error Status Byte
57
Programming Examples
59
Fortran/National Instruments
61
Basic/Gpib/Binary Dump
62
Fortran/Gpib/Binary Dump
64
C/Gpib/Binary Dump
68
Troubleshooting Tips
73
Troubleshooting
73
Power-Up Error Messages
73
CAL Error Messages
73
Common Operational Problems
73
Error Indicators
74
Wrong Value
74
Excessive Jitter
74
Scope Display Problems
74
Printer and Plotter Problems
74
GPIB Interface Problems
74
Interface Problems
75
Performance Tests
77
Necessary Equipment
77
Functional Tests
77
Front Panel Test
77
Self-Test
77
Trigger Input Tests
77
Counter Channel Tests
78
Rear Panel Tests
78
Performance Tests
79
Timebase Frequency
79
Accuracy
79
Time Interval
79
Trigger Sensitivity
79
Trigger Accuracy
80
D/A Output Accuracy
80
DVM Input Accuracy
80
Test Scorecard
83
Calibration
85
Overview
85
Calibration Bytes
85
Simple Calibration
86
Complete Calibration
86
Trigger Input Calibration
86
Clock Oscillator Calibration
87
Insertion Delay Calibration
87
D/A Output Calibration
88
DVM Input Calibration
89
Circuit Description
91
Processor System
91
GPIB Interface
91
Printer Interface
91
Rs-232 Interface
92
Scope Display
92
Counter Input Ports
92
Display Control Ports
92
Front-End Status Bits
93
ADC and DAC Control Bits
93
Ref out
94
Delay and Gate Generator
94
Timebase
95
Front-End Inputs
95
Trigger Multiplexers
96
Frequency Gates
96
Event Gating
97
Counting Channels
97
Fast Time Interval Logic
98
Time Interval Arming
98
Time Integrators
99
Analog to Digital Converter
99
Autolevel Circuits
99
Digital to Analog Converter
100
Unregulated Power Supplies
100
Power Supply Regulators
100
Power Supply Bypass
101
Front Panel Display PCB
101
Component Parts List
103

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