Frequency adjusting arrangement

Details Frequency adjusting arrangement Frequency adjusting arrangement

1978-02-16

2000-09-12

Nelson, Peter A.

Aeronautics and astronautics

Missile stabilization or trajectory control

Remote control

343708, 343756, 342 62, F41G 700, H01Q 128, G01S 1300

Patent

active

061165360

ABSTRACT:
Circuitry for adjusting the resonant frequency of an Yttrium-Iron-Garnet (YIG) filter in the first local oscillator of a receiver carried on a guided missile is shown to include the combination of a crystal oscillator which produces a pilot signal for tuning the YIG filter to a corresponding resonant frequency and a frequency adjusting arrangement for offsetting the resonant frequency of the YIG filter by a predetermined amount.

REFERENCES:
patent: 3720941 (1973-03-01), Ares
patent: 3893113 (1975-07-01), Iten et al.
patent: 3909735 (1975-09-01), Anderson et al.
patent: 3938148 (1976-02-01), Hobson
patent: 3953849 (1976-04-01), Couvillon
patent: 3979748 (1976-09-01), Gellekink
patent: 4011564 (1977-03-01), Gulick, Jr.
patent: 4048566 (1977-09-01), Carson et al.
patent: 4067013 (1978-01-01), Smith
patent: 4100545 (1978-07-01), Tabourier

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