Wavetek 157 Generator
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The model 157 is a precision source of selectable sine, square, or triangle waveforms that are generated from 100 μΗz (2% hours per cycle) to 1 MHz in 10 ranges. Output amplitudes are selectable from 1 millivolt to 10 volts, peak-to-peak, into a 50-ohm load. This instrument incorporates a voltage-controlled Generator that may be swept over a 1000:1 frequency ratio with a 0-volt to 5-volt analog input for frequency modulation of the selected output frequency. Four modes of operation can be programmed with the front-panel controls. Three modes of operation are programmable from a remote source by static logic levels or contact closures. Frequency, amplitude, and function also are programmable from either the front-panel controls or a remote source. The instrument is packaged for mounting in a standard 19-inch rack or for operating on a test bench.
Service and User Manual
8.13 Mbytes (8525652 Bytes)
Electronic document, no scan, very well readable.
2014 11 17
This manual provides instructions for operating, testing, and maintaining the Wavetek Programmable Waveform Synthesizer. Sections 1 through 5 include the necessary information for the basic model 157. Section 6 consists of Difference Data that describe specific differences, if any, from the basic model. Section 1 GENERAL DESCRIPTION Scope of Manual ... 1-1 Scope of Equipment ... 1-1 Modes of Operation ... 1-1 Remote Control Operation ... 1-2 Functional Descriptions ... 1-2 Specifications ... 1-3 Section 2 OPERATING INSTRUCTIONS Installation ... 2-1 Inspection ... 2-1 Manual Operation ... 2-4 Programming ... 2-5 Section 3 CIRCUIT DESCRIPTION Introduction ... 3-1 Program Selection ... 3-1 Basic Generator ... 3-3 Low-Frequency Generator ... 3-6 Sine Conversion ... 3-7 Tone Burst Generation ... 3-7 Power Supply ... 3-9 Section 4 MAINTENANCE Introduction ... 4-1 Recommended Test Equipment ... 4-1 Checkout and Calibration ... 4-1 Troubleshooting ... 4-4 Replacement of Circuit Boards ... 4-5 Replacement of Rotary Switches, Dials, or Decimal Lamps ... 4-6 Section 5 DATA PACKAGE Introduction ... 5-1 Arrangement ... 5-1 List of Manufacturers ... 5-1
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