Model SR715 Model SR720 LCR Meters

TABLE OF CONTENTSGENERAL INFORMATIONSafety and Preparation for UseSpecificationsBasic OperationPassive DevicesSeries and Parallel Circuit ModelsTypical Measurement SetupsHow the SR715/720 WorksAbridged Command ListStatus BytesiiivviiiviiiixxxixiixiiiRadial Fixture 2-16Axial Fixture Adapter 2-16Kelvin Clips 2-16SMD Tweezers 2-17Other Fixtures 2-17Binning 2-18Setting Up the Bins 2-19Examples 2-20Binning Worksheet 2-21GETTING STARTEDSR715/720 1-1Display 1-2Keypad 1-3Fixture 1-5Rear Panel 1-6OPERATIONDisplay 2-1Displayed Parameters 2-1Series & Parallel Equivalent Circuits 2-2Display Types 2-2Status & Binning 2-3Test Conditions 2-4Default Conditions 2-4Setting Test Conditions 2-4Frequency 2-4Output Voltage 2-4Range 2-6Autoranging 2-6Range Hold 2-6Constant Voltage 2-7Bias 2-8Internal Bias 2-8External Bias 2-9Measurement Rate 2-9Settling Time 2-10Triggering 2-10Store and Recall 2-11Connecting a Device 2-12Radial Leaded Parts 2-12Axial Leaded Parts 2-12Component Dimensions 2-13Optional Fixtures 2-13Fixture Adapter 2-13Kelvin Clips 2-14SMD Tweezers 2-14BNC Adapter 2-15Open & Short Calibration 2-16Suggestions for Calibration 2-16Option 01: GPIB Handler Interface 2-22ACCURACYConditions 3-1Impedance Accuracy 3-2R+Q Accuracy 3-4L+Q Accuracy 3-5C+D Accuracy 3-6C+R Accuracy 3-7Accuracy With Range Hold 3-8PROGRAMMINGGPIB Communications 4-1RS232 Communications 4-1Front Panel LEDs 4-1Command Syntax 4-1Programming Errors 4-2No Command Bit 4-2Detailed Command List 4-3Measurement Setup Commands 4-3Measurement Control Commands 4-4Measurement Result Commands 4-4Binning Commands 4-6Setup & Control Commands 4-7Status Reporting Commands 4-7Test & Calibration Commands 4-8Status Byte DefinitionsSerial Poll Status Byte 4-10Standard Event Status Byte 4-11LCR Status Byte 4-11Program ExamplesMicrosoft C, Nat'l Instruments GPIB 4-12Microsoft C, CEC GPIB 4-14Binning 4-17IBM BASIC, RS232 4-21TESTS and CALIBRATIONFunctional Tests 5-1Front Panel Test 5-1Self Test 5-2i