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TWO_PHASE_OSCILLATOR

2016-08-28 06:27  
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TWO_PHASE_OSCILLATOR
Unknown signal to be analyzed is multiplied independently by each of two output reference signals, A and B. Oscillator uses two 90° phase-shift networks and 180° of phase shift in amplifier. Gain of 0.98 in cathode follower makes circuit accurate over 10:1 frequency range.-T. B. Fryer, Frequency Analyzer Uses Two Reference Signals, Electronics, 32:18, p 56-57.