Differential delay line

Details Differential delay line Differential delay line

1996-12-27

1998-09-29

Pascal, Robert J.

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

333156, H01P 118, H01P 900

Patent

active

058150501

ABSTRACT:
A thin film differential delay line configured in a strip line assembly on ceramic substrates for PECL logic applications. A number of alternative layered constructions are disclosed. Each assembly provides complementary serpentine conductors constructed in symmetrical arrangements, i.e. side-by-side, over-under and mirrored. Bordering ground conductors at the signal layer and adjacent ground planes layers shield the delay line conductors. Termination pads having plated through vias facilitate electrical couplings between the layers.

REFERENCES:
patent: 3440573 (1969-04-01), Butler
patent: 3581250 (1971-05-01), Eichert
patent: 3670270 (1972-06-01), Storey, II
patent: 4463323 (1984-07-01), Piper
patent: 4513266 (1985-04-01), Ishihara
patent: 5073755 (1991-12-01), Neufeld
patent: 5146191 (1992-09-01), Mandai et al.
patent: 5365203 (1994-11-01), Nakamura et al.

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