Published:2009/7/22 21:23:00 Author:Jessie | From:SeekIC
Unijunction tone oscillator modulates 27.255-Mc crystal-controlled tunnel-diode oscillator. Has adequate range for remote control of toys, window displays, garage doors, etc. When voice-modulated, can be used for short-range communication, as in shopping centers and bowling alleys, - Transistor Manual, Seventh Edition, General Electric Co., 1964, p 355.
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