Table of Contents i
SR620 Universal Time Interval Counter
Table of Contents
Condensed Information
Safety and Use v
SRS Symbols vi
Specifications vii
Abridged Command List xi
Operation
Quick Start Instructions 1
Instrument Overview 2
Front Panel Operation 3
Choosing the Measurement 3
Setting the Mode 3
Setting the Source 3
Setting the Arming Mode 3
Setting the Number of Samples 3
Starting Measurements 3
Arming Mode Summary 4
Choosing the Output Display 5
Setting the Front Panel Display 5
Graphics Outputs 6
Graph Types 6
Scaling Graphs 6
Graphics Cursor 6
Graphics Zoom 6
Hardcopy Output 7
Chart Outputs 7
Setting the Inputs 9
Setting Trigger Levels 9
Setting Trigger Slopes 9
Input Termination 9
UHF Prescalers 9
Input Coupling 10
Reference Output 10
Timebase Input and Output 10
DVM Inputs 10
Sample Arming 11
TIME Mode 11
Time Interval Arming 11
+TIME 11
+TIME, EXT 12
+TIME, EXT with HOLDOFF 12
+/-TIME 12
+/-TIME, EXT 12
Width Arming 13
WIDTH:+TIME 13
WIDTH:+TIME, EXT 13
WIDTH:+TIME, EXT with HLDF 13
Rise and Fall Time Arming 13
RISE/FALL: +TIME 13
RISE/FALL: EXT 13
Frequency Arming 14
Frequency Ratio 14
Period Arming 14
Period Ratio 14
Phase Arming 14
Count Arming 15
Count Ratio 15
Delayed Arming Modes 15
Configuration Menus 17
CONTROL Menu 17
GPIB Parameters 17
RS232 Parameters 17
CALIBRATION Menu 17
AutoCal 18
Clock Source 18
OUTPUT Menu 18
Graphics Enable 18
Printer/Plotter Control 18
Jitter Type Selection 19
Gate Scale Multiplier 19
Trigger Knob Range 19
SCAN Menu 19
Enabling Scans 19
Setting D/A outputs 20
Scanning the D/A's 20
External Trigger Delays 20
Scan Examples 20
Specification Guide 23
Definition of Terms 23
Least Significant Digit 23
Resolution 23
Error 23
Differential Non-linearity 23
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