Oscillators – With distributed parameter resonator – Coaxial or shielded line type
Patent
1977-06-30
1978-06-27
Grimm, Siegfried H.
Oscillators
With distributed parameter resonator
Coaxial or shielded line type
331107R, H03B 714, H03B 912
Patent
active
040978214
ABSTRACT:
An improved solid state transmitter (and elements therefor) adapted particularly well to pulsed operation at radio frequencies is disclosed. Such transmitter includes the combination of: A crystal-controlled oscillator producing a continuous wave output signal which, ultimately, determines the frequency of each transmitted pulse; a first oscillatory circuit, including a resonant cavity and at least one normally quiescent coaxial oscillator incorporating an IMPATT diode; a second oscillatory circuit, including a resonant cavity and a plurality of normally quiescent coaxial oscillators, each one of such oscillators incorporating an IMPATT diode; and an improved modulator for periodically actuating all of the IMPATT diodes in such a manner that a pulsed output of the first oscillatory circuit is produced which remains locked to the then existing continuous wave signal out of the crystal-controlled oscillator and the pulsed outputs of the coaxial oscillators in the second oscillatory circuit similarly are locked.
The improved elements disclosed, in addition to the improved modulator, include various configurations of coaxial oscillators which are easier to align than known oscillators of such type or which allow a greater number of such oscillators to be coupled to a resonant cavity than was possible according to the prior art. Finally, an improved probe and tuning arrangement for a resonant cavity is disclosed.
REFERENCES:
patent: 3628171 (1971-12-01), Kurokawa et al.
patent: 3984788 (1976-10-01), Peyrat
patent: 4034314 (1977-07-01), Dydyk
Jerinic George
Lampen James L.
Thoren Glenn R.
Grimm Siegfried H.
McFarland Philip J.
Pannone Joseph D.
Raytheon Company
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