Phase modulated square wave generator

Details Phase modulated square wave generator Phase modulated square wave generator

1980-06-16

1982-03-09

Grimm, Siegfried H.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

328155, 332 23R, 332 43B, 332 48, H03K 704

Patent

active

043192041

ABSTRACT:
A pair of square waves of a carrier frequency are applied respectively to a pair of amplifier circuits having a common output circuit. The output circuit is connected so that the energy therein is dependent upon the relative phases of the square waves. A further circuit is provided for varying the relative phases of the two square waves, so that the output from the output circuit is in the form of amplitude modulated oscillations.

REFERENCES:
patent: 3075136 (1963-01-01), Jones
patent: 3170127 (1965-02-01), Cramer
patent: 3245006 (1966-04-01), Runyan
patent: 3978424 (1976-08-01), Hobo et al.
Avakyan et al., "Pulse Position Modulator with Rectangular Symmetric Pulses," Instruments and Experimental Techniques, vol. 20, May/Jun. 1977, pp. 740, 741.
Bedford et al., "Principles of Inverter Circuits", J. Wiley and Sons, 1964, pp. 234-237.
Brunstein, "Frequency Doubler and Flip-Flop Make Adjustable Phase Shifter", Electronics, Oct. 14, 1976, p. 100.
Clark, "A Comparison of Current Broadcast Amplitude-Modulation Techniques", IEEE Trans. on Broadcasting, vol. BC-21, No. 2, Jun. 1975, pp. 25-31.

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