Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Patent
1984-03-16
1986-11-25
LaRoche, Eugene R.
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
333219, H01P 708
Patent
active
046251855
ABSTRACT:
A resonant circuit for extracting a signal at a bit frequency from a data flow, at a clock frequency lower than microwave frequencies. The circuit has good frequency, selectivity and stability even under varying operative conditions, and in particular at varying temperatures. The circuit includes a G-shaped strip line section, which has an appropriate length to resonate at a predetermined range of frequencies, and is applied on an amorphous quartz substrate. The extraction system includes the above resonant circuit, a data flow input circuit, and an output circuit for amplifying the extracted signal.
REFERENCES:
patent: Re31470 (1983-12-01), Bedord et al.
patent: 2945195 (1960-07-01), Matthei
patent: 3534301 (1970-10-01), Golembeski
patent: 3617955 (1971-11-01), Masland
patent: 4110715 (1978-08-01), Reindel
patent: 4418324 (1983-11-01), Higgins
patent: 4429289 (1984-01-01), Higgins, Jr. et al.
patent: 4536725 (1985-08-01), Hubler
Burzi Giuseppe
Mengoli Giovanni
Pogliani Luciano
LaRoche Eugene R.
Lee Benny
Telettra Telefonia Elettronica e Radio S.p.A.
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