Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1993-03-05
1993-11-16
Sikes, William L.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307242, 307364, 307520, 307529, 328104, 328154, 328157, H03K 1776
Patent
active
052626814
ABSTRACT:
A trigger source switching circuit including a first switch system for a high frequency region, and a second switch system for a low frequency region. The first switch system is composed of a plurality of semiconductor switches having good frequency and isolation characteristics, and the adverse effect of the DC shift is eliminated by using a capacitor connected between the outputs of the semiconductor switches and the output terminal of the trigger source switching circuit. The second switch system for the low frequency region is composed of analog switches, and the output terminal of each analog switch is connected to an input terminal of an operational amplifier of a small output offset, thereby reducing the effect of the on-resistance of the analog switches and the adverse effect of the DC shift. The analog switches can be used because the frequency and isolation characteristics required in the high frequency region are unnecessary in the low frequency region.
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Cunningham Terry D.
Kikusui Electronics Corporation
Sikes William L.
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