Solid state modulator for microwave transmitters

Details Solid state modulator for microwave transmitters Solid state modulator for microwave transmitters

1984-05-08

1991-08-06

Sotomayor, John B.

Electrical transmission or interconnection systems

Wave form or wave shape determinative or pulse-producing...

307254, 332110, 332113, 332106, H03K 301, H03K 1760

Patent

active

050380516

ABSTRACT:
A switching modulator for a microwave radar transmitter is presented. In embodiment, a string of series connected transistors is controlled from an external source for pulse modulating the cathodes of transmitter microwave tubes. The individual components of the series string can be individually switched ON or OFF in order to maintain regulation of the modulation pulse. In a second embodiment, a pulse transformer has a plurality of individual primary windings and a single secondary winding wherein the primary windings are specially wound to provide isolation between the primary windings with the flux in the secondary winding and the voltage generated in the secondary winding being proportional to the sum of the excitation of the primary windings. Each of the primary windings are individually switchable for regulating the generated output voltage at the secondary winding.

REFERENCES:
patent: 2595301 (1952-05-01), Sager
patent: 2597013 (1952-05-01), Marchetti
patent: 4283790 (1981-08-01), Clock et al.
patent: 4303841 (1981-12-01), Baker
patent: 4329600 (1982-05-01), Stewart
patent: 4329705 (1982-05-01), Baker
patent: 4336538 (1982-06-01), Radford
patent: 4356457 (1982-10-01), DiCarlo
patent: 4367421 (1983-01-01), Baker

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