Sine-shaping circuit

Details Sine-shaping circuit Sine-shaping circuit

1980-12-11

1983-07-26

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307267, 328 27, 328160, H03K 500, G06G 716

Patent

active

043956424

ABSTRACT:
A circuit for converting a triangular waveform into a sinusoidal waveform using the non-linear transfer characteristic of a first transistor differential amplifier. Second and third differential amplifiers are parallel-connected to said first differential amplifier with the slopes of their transfer characteristics in opposite sense thereto and having their operating points shifted on their transfer characteristics in opposite directions with regard to each other and symmetrically to the operation point of said first differential amplifier so that the resulting overall transfer characteristic of said first, second and third differential amplifiers has zero slope at the extremal amplitudes of said triangular waveform.

REFERENCES:
patent: 3697778 (1972-10-01), Olson
patent: 3995222 (1976-11-01), Mitarai
patent: 4250455 (1981-02-01), Davis
patent: 4283637 (1981-08-01), Handte et al.

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