High precision triangular waveform generator

Details High precision triangular waveform generator High precision triangular waveform generator

1981-11-17

1983-12-20

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328185, 307228, H03K 410, H03K 484

Patent

active

044220448

ABSTRACT:
An ultra-linear ramp generator having separately programmable ascending and descending ramp rates and voltages is provided. Two constant current sources provide the ramp through an integrator. Switching of the current at current source inputs rather than at the integrator input eliminates switching transients and contributes to the waveform precision. The triangular waveforms produced by the waveform generator are characterized by accurate reproduction and low drift over periods of several hours. The ascending and descending slopes are independently selectable.

REFERENCES:
patent: 3541352 (1970-11-01), Merrill et al.
patent: 3676698 (1972-07-01), Hunter
patent: 3828203 (1974-08-01), Belson et al.
patent: 3893036 (1975-07-01), Cavoretto et al.
Versatile Triangular Sweep Generator by W. D. Wier et al., The Review of Scientific Instruments, vol. 35, No. 7, pp. 833-837, Jul. 1964.

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