Chopper including transistor switches

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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Details

307254, 307270, 323 75E, 363124, H03K 1700

Patent

active

041186419

ABSTRACT:
A chopper having four transistor switches and driven by an AC reference signal provides an alternating output signal. During each half period of the reference signal two of the transistor switches are nonconductive, one is conductive and the fourth commutates at a frequency representative of the error between the reference signal amplitude and a predetermined proportion of the output signal amplitude. Conduction losses are minimized.

REFERENCES:
patent: 3283238 (1966-11-01), Huge et al.
patent: 3290573 (1966-12-01), Kamens

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