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Wavetek 164 Generator
Manufacturer:
Model:
164
Date:
1988
Class:
Type:
SubType:
30MHz Sweep Generator

Information

PURPOSE OF THE EQUIPMENT The model 164 Sweep Generator offers an extended waveform versatility plus a frequency range that spans twelve decades, from 30 µHz (9.2 hours per cycle) to 30 MHz. The waveforms available are sine, square, triangle, trapezoidal and positive and negative rectangular and trapezoidal pulse, each with variable amplitude, dc offset and symmetry. The trapezoidal waveform rise and fall times may be varied by means of independent slope, width and symmetry controls. Different rise times and fall times, both controllable, may be selected to suit your testing or triggering | requirements. The model 164 employs a main Generator, which can be J triggered, gated or swept by an external signal. In addition, it has a ramp/step Generator. The latter is used to sweep, sweep burst or step the frequency of the main generator. Frequency sweeping and stepping may be up or down. Steps may be automatically sequenced or triggered. 1.2 SPECIFICATIONS 1.2.1 Waveforms Eight selectable waveforms, sine, triangle, square, positive pulse, negative pulse, trapezoid, positive trapezoid, and negative trapezoid, plus variable DC output. Symmetry of all waveform outputs is continuously adjustable from 1:19 to 19:1. Varying symmetry provides variable duty-cycle pulses, sawtooth or unsymmetrical trapezoidal waveforms. Separate sync output included. Sweep Generator ramp and steps for continuous or discrete-step sweep; up or down sweeping. The swept signal may be triggered, gated, single stepped or swept-and-held. Main Generator frequency may be swept as much as 1000:1.

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Service and User Manual
Manual type:
Service and User Manual
Pages:
79
Size:
22.03 Mbytes (23101298 Bytes)
Language:
english
Revision:
Manual-ID:
1300-00-0047
Date:
1988 04 01
Quality:
Scanned document, all readable.
Upload date:
2018 08 15
MD5:
d6a81c2a4cb0e9e12a067d867efb9c8e
Downloads:
861

Information

SECTION 1 INTRODUCTION 1.1 PURPOSE OF THE EQUIPMENT ... 1-1 1.2 SPECIFICATIONS ... 1-1 SECTION 2 INSTALLATION AND OPERATION 2.1 MECHANICAL INSTALLATION ... 2-1 2.2 ELECTRICAL INSTALLATION ... 2-1 2.3 OPERATING CONTROLS ... 2-1 2.4 INSTALLATION CHECKS ... 2-4 2.5 OPERATING PROCEDURE ... 2-6 SECTION 3 CIRCUIT DESCRIPTION 3.1 INTRODUCTION ... 3-1 3.2 BASIC WAVEFORM AND FREQUENCY DEVELOPMENT ... 3-1 3.3 WAVEFORM DEVELOPMENT AND SELECTION ... 3-1 3.4 FREQUENCY AND PERIOD CONTROL ... 3-2 3.5 AMPLITUDE OFFSET AND ATTENUATION ... 3-2 3.6 TRIGGER AND GATED CONTROL ... 3-2 3.7 SWEEP CIRCUITS ... 3-4 SECTION 4 PERFORMANCE VERIFICATION AND CALIBRATION 4.1 INTRODUCTION ... 4-1 4.2 FACTORY REPAIR ... 4-1 4.3 RECOMMENDED TEST EQUIPMENT ... 4-1 4.4 ACCESS INSTRUCTIONS ... 4-1 4.5 CALIBRATION INSTRUCTIONS . ... 4-1 SECTION 5 TROUBLESHOOTING 5.1 CORRECTIVE MAINTENANCE ... 5-1 5.2 TROUBLESHOOTING TECHNIQUE FOR INDIVIDUAL COMPONENTS ... 5-1 5.3 TROUBLESHOOTING GUIDE FOR MAIN CIRCUITS ... 5-2 5.4 TROUBLESHOOTING PROCEDURE FOR INDIVIDUAL CIRCUITS ... 5-6 5.4.1 Troubleshooting of Trigger Circuit ... 5-7 5.4.2 VCG Amplifier and Current Generator Troubleshooting Procedure ... 5-9 5.4.3 Triangle Generator Troubleshooting ... 5-10 5.4.4 Troubleshooting the Capacitance Multiplier Circuit ... 5-11 5.4.5 Amplifier Troubleshooting Hints ... 5-12 5.4.6 Triangle Amplifier No. 2 Troubleshooting Hints ... 5-12 5.4.7 Preamplifier Troubleshooting Hints ... 5-13 5.4.8 Output Amplifier Troubleshooting Hints ... 5-13 5.4.9 To Locate Short Circuit Components ... 5-13 5.4.10 Loading Current and Impedance of Power Supply ... 5-13 5.4.11 Power Supply Troubleshooting Hints ... 5-14 5.4.12 Troubleshooting Guide for Sweep Circuit ... 5-14 5.4.13 Troubleshooting of Sweep Circuit ... 5-15 5.4.14 10-Step D/A Converter Troubleshooting Hints ... 5-17 5.4.15 Digital Step Generator Troubleshooting Guide ... 5-17 5.4.16 Troubleshooting the Digital Step Generator ... 5-21 SECTION 6 PARTS LISTS AND SCHEMATIC DIAGRAMS

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