Method for adjustment of variable delay line

Details Method for adjustment of variable delay line Method for adjustment of variable delay line

1984-05-22

1987-02-10

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Delay lines including a lumped parameter

333140, 333161, H01P 900, H03H 734

Patent

active

046425888

ABSTRACT:
This invention aims to provide a method of adjustment for a variable delay line which is provided with two delay line elements of dissimilar delay times and switch means capable of selectively switching from one to the other of the two delay line elements and adapted to enable the delay time to be digitally increased or decreased by the delay time difference produced by the selective switching between the delay time elements. This method allows the delay time to be finely adjusted with high accuracy of the order of 1 to some tens of ps by changing the delay time of either of the two delay line elements which has a smaller delay time than the other.

REFERENCES:
patent: 2961620 (1960-11-01), Sommers
patent: 3238300 (1966-03-01), Bopp et al.
patent: 3584376 (1971-06-01), Howe et al.
patent: 3585535 (1971-06-01), Seal
patent: 3656179 (1972-04-01), De Loach
patent: 3781722 (1973-12-01), Pierson
patent: 4160220 (1979-07-01), Stachejko
patent: 4507628 (1985-03-01), Kameya
patent: 4525691 (1985-06-01), Kameya
Data Delay Devices, Inc., Catalog No. 82A; pp. 12 & 13.

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