Pin diode attenuator RF pulse generator with pulse rise and fall

Details Pin diode attenuator RF pulse generator with pulse rise and fall Pin diode attenuator RF pulse generator with pulse rise and fall

1989-03-10

1991-03-26

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307263, 307555, 307565, 333 81R, H03K 501, H03K 508

Patent

active

050031953

ABSTRACT:
A capacitor is charged and discharged through switch selectable resistors from regulated DC voltage supplies and clamping diodes to provide the bias signal to control the rise and fall times of the RF output pulse of a PIN diode attenuator. An isolation buffer isolates charging and discharging transients from the bias signal. An adjustable AC gain and adjustable DC offset inverting amplifier provides the isolation buffered signal to a high impedance, very low output AC impedance source for driving the bias input of the PIN diode attenuator. The DC offset is provided by an adjustable regulated voltage source coupled to the inverting amplifier.

REFERENCES:
patent: 3402353 (1968-09-01), Hubbs
patent: 3813561 (1974-05-01), Williams et al.
patent: 3922570 (1975-11-01), Eguchi et al.
patent: 4488062 (1984-12-01), Welzhofer
patent: 4800294 (1989-01-01), Taylor

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