Table Of Contents - Keithley 3930A Service Manual

Table of Contents
SECTION 1 - Performance Verification
1.1 INTRODUCTION ..............................................................
1-l
1.2 ENVIRONMENTALCONDITIONS.. ...............................................
l-l
1.3
INTTIALCONDlTIONS .........................................................
l-l
1.4
LINEPOWER ................................................................. l-l
1.5
RECOMMENDED TEST EQUIPMENT ..............................................
l-l
1.6 VERIEICATIONPROCEDTJEES ...................................................
1-2
1.6.1
Frequency and Duty Cycle Accuracy .............................................. l-2
1.6.2
Amplitude Accuracy ..........................................................
l-4
1.6.3
Frequency Response (Sine) .....................................................
l-5
1.6.4
Frequency Response (Triangle, Sawtooth, Square) ..................................... l-7
1.6.5 TotalHmonicDistortion .....................................................
l-8
1.6.6. DC Voltage Accuracy .........................................................
l-9
1.6.7 DCLevel(Square)andDCOffsetError(Sine)
........
. .............................. l-9
1
1.6.8 RiseandFaLlTimes ...........................................................
l-9
SECTION 2 - Principles of Operation
2.1 INTRODUCTION ..............................................................
2-l
2.2 BLOCK DIAGRAM
............................................................ 2-l
2.2.1
ControlSection ..............................................................
2-l
2.2.2
Display and Keyboard Section ................................................... 2-l
2.2.3 TriggerSection.. ............................................................
2-l
2.2.4 Synthesizer Section ...........................................................
2-l
2.2.5 AnalogSection ..............................................................
2-l
2.2.6
Power Supply Section ......................................................... 2-3
2.3
ANALOGCIRCUITDESCRD?TION
................................................
2-3
2.3.1 Analog Section Block Diagram ..................................................
2-3
2.3.2 D/A Converter ..............................................................
2-3
2.3.3 SquareWaveGenerator
.......................................................
2:3
2.3.4 AmplitudeModulation ........................................................
2-3
2.3.5
Amplitude and DC Offset Control ................................................
2-3
2.4 SYN'IHESIZEROl'ERATINGPRINCII'LES
..........................................
2-5
SECTION 3 - Service Information
3.1 INTRODUCTION ..............................................................
3-l
3.2 LINEFLJSEREPLACEMENT .....................................................
3-l
3.3 CALIBRATION ...............................................................
3-l
3.3.1 EnvironmentalConditions
.....................................................
3-2
3.3.2
InitialConditions ............................................................
3-2
3.3.3 LinePower .................................................................
3-2