Advertisement
Quick Links
MODEL 132
GENERATOR
THIS DOCUMENT CONTAINS INFORMATION PROPRIETARY TO
WAVETEK AND IS SOLELY FOR INSTRUMENT OPERATION AND
MAINTENANCE. THE INFORMATION IN THIS DOCUMENT MAY
NOT BE DUPLICATED IN ANY MANNER WITHOUT THE PRIOR
APPROVAL IN WRITING OF WAVETEK.
SAN DIEGO
9045 Balboa Ave., San Diego, CA 92123
P. 0 Box 651, San Diego, Calif. 92112
Tel 7141279-2200 TWX 91 O-335-2007
VCG/NOISE
-
- 1981
Wavetek
Manual Revision: 10181
Instrument Release: U-l 0180
Advertisement
Related Manuals for Wavetek 132
Summary of Contents for Wavetek 132
- Page 1 GENERATOR - 1981 Wavetek THIS DOCUMENT CONTAINS INFORMATION PROPRIETARY TO WAVETEK AND IS SOLELY FOR INSTRUMENT OPERATION AND MAINTENANCE. THE INFORMATION IN THIS DOCUMENT MAY NOT BE DUPLICATED IN ANY MANNER WITHOUT THE PRIOR APPROVAL IN WRITING OF WAVETEK. SAN DIEGO 9045 Balboa Ave., San Diego, CA 92123...
- Page 2 SCOPE OF MANUAL This manual contains instructions for operating, test- The Model 132 is a source of analog and digital noise, ing, and maintaining the Wavetek Model 132 VCG/ as well as a precision source of sine, triangle and square Noise Generator.
- Page 3 SAFETY wire dfor earth g ounding via the ty powe r w iring. Do not Thi s instrument i ding w i th two wir extension cords, plug adapter setc. ss earth grou BEFORE PLUGGING IN the instrument, comply with installation instructions. e i nstrumen t cover s removed.
- Page 4 SECTIO N SPECIFICATIONS HORIZONTAL PRECISION V E R S A T I L I T Y Waveforms Dial Accuracy triangle waveforms square Sine of full scale, 1 Hz to 2 MHz or digital noise l-u--L and analog noise Frequency Range of Signal Frequency Vernier 0.2 Hz t o 2 MHz in 6 decade ranges One turn equals 1% of full scale.
- Page 5 ENVIRONMENTAL Noise C l o c k Frequency Switch selectable noise frequencies are listed Analog Noise Temperature All specifications listed, except stability, are for Bandwidth Clock Frequency For operation from O°C to derate all 160 Hz 10 Hz specifications by factor of 2. 100 Hz 1.6 kHz 1 kHz...
- Page 6 SECTION OPERATION Depress MODE - FUNC push button. INSPECTION Connect oscilloscope to the OUT connec- tor with a terminator. The following procedures should be performed to as- Set frequency dial to the 1.0 mark and FREQ sure the user that the instrument has arrived at its VERNIER to CAL position.
- Page 7 The operating controls and electrical connections for (10). the Model 132 are shown in Figures 2-I and 2-2. Each of the following paragraph numbers corresponds to a S/N - Depressing this push button allows a...
- Page 8 G E N E R A T O R Figure 2-l. Operating Controls, Front Panel Step Output peak to peak into Load FM - Depressing this push button along with the FUNC push button (7) allows the selected Attenuator signal, either wave, to be Position Maximum...
- Page 9 SEQUENCE LENGTH amplitude remains constant, thus giving cali- brated 0 to -50 d B signal-to-noise ratios. In the - 1 - Depressing this push button will N/S mode, the signal is attenuated with the provide 1,023 counts of the selected clock fre- noise remaining unchanged, thus giving noise- or bandwidth, determined by the to-signal ratios from 0 to -50 dB.
- Page 10 Model 132 to attain stated accuracies. the dial setting. The VCG range of the Model 132 is 1000:1. Operation as a Function Generator...
- Page 11 In example 1, the dial is set at 1.0 and 0 voltage is b. For increasing frequency sweep with positive applied to the VCG input. Extend a straight line from dc input, set dial to lower frequency limit. 1.0 (dial setting) through 0 voltage (VCG voltage) and c.
- Page 12 Select desired SEQUENCE LENGTH by depres- sired amplitude with OUTPUT VERNIER (dB) sing appropriate push button. control. Select noise amplitude by setting OUTPUT ATTEN (dB) control to appropriate attenuation Operation as a Random FM Source position and fine adjusting noise to desired amplitude with OUTPUT VERNIER (dB) con- Before using the generator as a random FM source, trol.
- Page 13 Loosen two captive thumb screws on rear panel Converting to Line Power and remove panel. instruments are shipped from the factory with the The conversion switch is located on the chassis. power transformer connected for 1 15-volt line power, Use a thin-bladed screwdriver to move the 115- unless ordered for 230-volt use.
- Page 14 The hysteresis and output switches function like a Schmitt trigger with the limit points set at the wave- Refer to the block diagram of the Model 132 VCG/ form extremes, firing when the triangle wave reaches Noise Generator, Figure 3-l.
- Page 15 Either square, triangle, or sine waveforms can be se- tion. The result is simultaneous generation of a square source. wave and triangle wave of the same frequency with lected as a signal The noise source is derived from a digital filter. A clock oscillator of 160 Hz to the positive half cycle of the square wave coincident with the negative slope of the triangle wave.
Need help?
Do you have a question about the 132 and is the answer not in the manual?
Questions and answers