H - Electricity – 03 – H
Patent
H - Electricity
03
H
333/6
H03H 11/02 (2006.01) H01P 1/22 (2006.01) H03H 7/25 (2006.01)
Patent
CA 1127725
ABSTRACT OF THE DISCLOSURE Four PIN diodes are connected, two in parallel oppositely directed at each of two ports of a 3 db, quadrature bybird which equally divide the power from an input port. The mismatch produced by the PIN diode resistance in parallel with the matching load resistance reflects part of the power, which combines at the two ports and exits at a fourth port of the hybrid. Direct-current bias to the PIN diodes is adjusted to vary the attenuation. There is also variable resistance and capacitance which serves as variable adjustments on the termina- tions of the hybrid when the diodes are unbiased.
330983
Aspila Kalevi P.
The United States Government As Represented By The Secretary Of
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