Absorptive resonant cavity filter

Details Absorptive resonant cavity filter Absorptive resonant cavity filter

1982-12-20

1984-10-02

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333 22R, 333 33, 333202, 333230, H01P 1202, H01P 704, H01P 502, H01P 126

Patent

active

044750927

ABSTRACT:
An absorptive resonant cavity filter suitable for use on the output of a transmitter power amplifier and capable of substantially constant predetermined resistive input impedance at all frequencies. The structure comprises a bandpass cavity which instead of an input coupling loop employs a conductor coupled from the input and configured along the wall of the cavity to form a transmission line of predetermined impedance and terminated by a resistor of similar impedance value.

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