Probescope Sg-376a/u Audio/rf Signal Generator

US $1600

  • Arlington, Massachusetts, United States
  • Mar 7th
Audio/RF Signal Generator Power cord with special 3-pin plug included. Specifications: From the manual: Frequency Control: The frequency range of each of the two A.F. oscillators extends from 20 to 20,000 cps ad­justable in increments of 1 cps from 20 to 100 cps and, in increments of 10 cps from 100 to 1000 cps , in increments of 100 cps from 1000 to 10,000 cps, and in increments of 200 cps from 10,000 to 20,000 cps. The I.F. signal generator provides signals as follows: 497.5 kc only. 498.5 kc only. 501.5 kc only. 502.5 kc only. 497.5 kc and 498.5 kc simultaneously (PR1) 501.5 kc and 502.5 kc simultaneously (PR2) Amplitude Control A. F. signal output of 2 to 2.5 volts and I. F. signal of 1 to 1.25 volts can be atten­uated up to 100db in increments of 1db and 10db and are intended to be fed into a 600 ohm (A. F. ) or 50ohm(I.F.)load. Actual Measurements on this unit: AF section: THD at 1KHz: 0.3% Frequency settings: Frequency set with switches (Hz) Measured Channel A frequency (Hz) Measured Channel B frequency (Hz) 100 99 99 1000 988 993 1050 1038 1043 10K 9931 9932 20K 19857 20209 Audio Attenuation Setting Actual attenuation (dB) 0 0.0 1 -1.1 2 -2.0 3 -3.1 4 -4.1 5 -5.0 6 -6.0 7 -7.1 8 -7.8 9 -9.1 10 -10.0 20 -20.0 30 -30.1 40 -40.0 50 -50.0 60 -60.7 IF Section This is not fully working. There is some sort of intermittent connection, either in the crystal sockets or on the board. I have got all 4 frequencies to oscillate and be on spec, but never all at once. This will take a little work to repair.
Condition:
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. ...
Brand Probescope
Model SG-376A/U

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