Interdigital local oscillator filter apparatus

Details Interdigital local oscillator filter apparatus Interdigital local oscillator filter apparatus

1989-05-23

1991-04-16

Laroche, Eugene R.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455319, 455325, 455347, 333203, 174 521, 174 523, 361394, 361395, 361399, H04B 126, H01P 1205, H05K 702

Patent

active

050089560

ABSTRACT:
An integrated local oscillator interdigital filter apparatus in a down converter is mounted on the same printed circuit board. The housing of the interdigital filter is cut from sheet metal, with a conductive surface on the printed circuit board as one side. A method for construction of the interdigital filter is also set forth.

REFERENCES:
patent: 3593223 (1971-07-01), King et al.
patent: 4019141 (1977-04-01), Numan et al.
patent: 4112398 (1978-09-01), Burnett et al.
patent: 4152671 (1979-05-01), Tuma et al.
patent: 4384367 (1983-05-01), King et al.
patent: 4569000 (1986-02-01), Noji
patent: 4772862 (1988-09-01), Kubo et al.
patent: 4791717 (1988-12-01), Hemmie
patent: 4831498 (1989-05-01), Baba

Affiliated with

Also associated with

Rating

Interdigital local oscillator filter apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Interdigital local oscillator filter apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Interdigital local oscillator filter apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-427383