Radio frequency delay line adjustment circuit

Details Radio frequency delay line adjustment circuit Radio frequency delay line adjustment circuit

1997-01-27

1998-09-01

Ham, Seungsook

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

333161, H01P 118

Patent

active

058016015

ABSTRACT:
A printed circuit board with a microstrip radio frequency delay line deposited thereon. In addition, a plurality of delay line segments are deposited on the board in close proximity to one end of the delay line. To achieve an overall desired delay length, one of the delay line segments is selected and serially inserted in circuit with the delay line by populating a surface mount circuit element between terminals at the ends of the delay line and the selected delay line segment.

REFERENCES:
patent: 4616196 (1986-10-01), Sharma
patent: 4821005 (1989-04-01), Kling
patent: 4965866 (1990-10-01), Martineau
patent: 5339056 (1994-08-01), Kaneko et al.
patent: 5424696 (1995-06-01), Nakahara et al.

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