TABLE OF CONTENTS
i
GENERAL INFORMATION
Safety and Preparation for Use iii
Specifications v
Basic Operation viii
Passive Devices viii
Series and Parallel Circuit Models ix
Typical Measurement Setups x
How the SR715/720 Works xi
Abridged Command List xii
Status Bytes xiii
GETTING STARTED
SR715/720 1-1
Display 1-2
Keypad 1-3
Fixture 1-5
Rear Panel 1-6
OPERATION
Display 2-1
Displayed Parameters 2-1
Series & Parallel Equivalent Circuits 2-2
Display Types 2-2
Status & Binning 2-3
Test Conditions 2-4
Default Conditions 2-4
Setting Test Conditions 2-4
Frequency 2-4
Output Voltage 2-4
Range 2-6
Autoranging 2-6
Range Hold 2-6
Constant Voltage 2-7
Bias 2-8
Internal Bias 2-8
External Bias 2-9
Measurement Rate 2-9
Settling Time 2-10
Triggering 2-10
Store and Recall 2-11
Connecting a Device 2-12
Radial Leaded Parts 2-12
Axial Leaded Parts 2-12
Component Dimensions 2-13
Optional Fixtures 2-13
Fixture Adapter 2-13
Kelvin Clips 2-14
SMD Tweezers 2-14
BNC Adapter 2-15
Open & Short Calibration 2-16
Suggestions for Calibration 2-16
Radial Fixture 2-16
Axial Fixture Adapter 2-16
Kelvin Clips 2-16
SMD Tweezers 2-17
Other Fixtures 2-17
Binning 2-18
Setting Up the Bins 2-19
Examples 2-20
Binning Worksheet 2-21
Option 01: GPIB Handler Interface 2-22
ACCURACY
Conditions 3-1
Impedance Accuracy 3-2
R+Q Accuracy 3-4
L+Q Accuracy 3-5
C+D Accuracy 3-6
C+R Accuracy 3-7
Accuracy With Range Hold 3-8
PROGRAMMING
GPIB Communications 4-1
RS232 Communications 4-1
Front Panel LEDs 4-1
Command Syntax 4-1
Programming Errors 4-2
No Command Bit 4-2
Detailed Command List 4-3
Measurement Setup Commands 4-3
Measurement Control Commands 4-4
Measurement Result Commands 4-4
Binning Commands 4-6
Setup & Control Commands 4-7
Status Reporting Commands 4-7
Test & Calibration Commands 4-8
Status Byte Definitions
Serial Poll Status Byte 4-10
Standard Event Status Byte 4-11
LCR Status Byte 4-11
Program Examples
Microsoft C, Nat'l Instruments GPIB 4-12
Microsoft C, CEC GPIB 4-14
Binning 4-17
IBM BASIC, RS232 4-21
TESTS and CALIBRATION
Functional Tests 5-1
Front Panel Test 5-1
Self Test 5-2
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