Pulse-modulated high-frequency transmitter

Details Pulse-modulated high-frequency transmitter Pulse-modulated high-frequency transmitter

1977-09-15

1978-08-15

Grimm, Siegfried H.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

307106, 325141, 325169, 331 96, 331117D, 331173, 343 171R, G01S 728, H03B 518, H03K 708

Patent

active

041076303

ABSTRACT:
A pulse-modulated high-frequency transmitter is pulse keyed and has a high pulse power. A self-sustained transistor oscillator has a grounded base with a collector-emitter feedback in the form of a strip line with a length of half a wavelength and a serially-connected capacitor. A pulse modulator connected to the oscillator includes an output stage constructed as a constant current source which is keyed by a pulse generator.

REFERENCES:
patent: 3716854 (1973-02-01), Charlot, Jr.
Hodowanec "Microwave Transistor Oscillators", Microwave Journal, vol. 17, No. 6, pp. 39-42, 62.

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