Delay line canceler

Details Delay line canceler Delay line canceler

1980-09-04

1982-10-12

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

328165, 333 20, 333202, 333206, H01P 120, H01P 1212, H01P 900

Patent

active

043541682

ABSTRACT:
A source of pulse waves is coupled to a first transmission line and a second transmission line, the inputs of each line being parallely coupled. The input of the first line is in series with its characteristic impedance. The outputs of each line are series coupled for summation of the output voltage of each line. The first line develops a voltage having a opposite polarity of the voltage of the applied signals. Summation of the output voltages of the two lines effects the required cancellation for pulse waves having a pulse width larger than the difference between the time delay of each line. A device for utilizing the pulses is connected between one output of the first transmission delay line the grounded output of the second transmission line.

REFERENCES:
patent: 3225223 (1965-12-01), Martin
patent: 3416103 (1968-12-01), Goldsworthy
patent: 3668416 (1972-06-01), Marilleau

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