Wavetek 193 Manuals

Wavetek 193 Manuals

Manuals and User Guides for Wavetek 193. We have 1 Wavetek 193 manual available for free PDF download: Instruction Manual

Wavetek 193 Instruction Manual

Wavetek 193 Instruction Manual (105 pages)

20 MHz SWEEP/MODULATION GENERATOR

Brand: Wavetek | Category: Portable Generator | Size: 15 MB

Table of Contents

Table of Contents
4
Output Amplifier
27
Output Attenuator
36
Sweepmodulation Board Detailedcircuitdescription
36
Modulation Generator Vcgsystem
36
Positive Current Source
36
Negative Current Source
36
Symmetry Control
36
Modulation Generator Loop
37
Current Switch
37
Timing Capacitor and Triangle Buffer
37
Hysteresis Switch
37
Square Wave Limiter
38
Sine Converter
38
Function Switch
38
Modulation Control Switching
38
Amplitude Modulation Level Shifter
39
Auxiliary Output Amplifier
39
Amplitude Modulator
39
Amplitude Modulation Receiver
40
Modulation Generator Sync Output Amplifier
41
Calibration
43
Factoryrepair
43
Requiredtestequipment
43
Coverremoval
43
Beforeyou Start
49
Troubleshooting
49
Fuse Blows, no Dial Lamp
49
Sine Wave Distorted or Missing
51
Triangledistortedor Missing
52
Sync Output Distorted or Missing
52
Excessive High Frequency Sine or Triangle Roll off
54
Low Frequency Square Wave Tilt
54
Time Symmetry Cannot be Adjusted to Within Specifications
55
Trigger, Gating and Trigger Baseline Problems
55
Variable Symmetry Problems
58
Circuitguides
58
Power Supply Guide
58
Current Source Guide
58
Loop Delay Compensation Guide
58
Current Switch Guide
59
Hystersis Switch Guide
60
Zero Crossing Detector Guide
61
Sync Guide
62
Capacitance Multiplier Guide
62
Trigger Guide
62
Trigger Baseline Guide
63
Square Shaper Guide
64
Sine Converter Guide
64
Preamplifier Guide
64
Output Amplifier Guide
65
Sweep/Modboardtroubleshooting
66
Amplitude Modulation at FUNC out Distorted or Missing
66
Output at aux SYNC out Distorted or Missing
69
Loop will Not Oscillate
69
Abnormal Waveforms at aux out
69
Waveform Symmetry out of Specification
70
Incorrect Frequencies
70
Loop Oscillates in aux GEN off Mode
70
AUX VCG Input Has no Effect
70
No Internal Frequency Modulation
71
Sweep/Modboardcircuitguides
72
Modulation Generator Vcgsystem Guide
72
Modulation Generator Loop Guide
72
Sine Converter Guide
72
Amplitude Modulator Guide
73
Amplitude Modulation Receiver Guide
73
Amplitude Modulation Level Shifter Guide
74
Auxiliary Output Amplifier Guide
74
Troubleshootingindividual Components
75
Transistor
75
Diode
75
Operational Amplifier
75
Fettransistor
75

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