Logarithmic-periodic microwave multiplexer

Details Logarithmic-periodic microwave multiplexer Logarithmic-periodic microwave multiplexer

1990-06-12

1992-03-31

LaRoche, Eugene R.

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333204, 370123, H01P 512, H04J 100

Patent

active

051011816

ABSTRACT:
A multiport microwave multiplexer having components which are log-periodically scaled structures is shown and described. Circuit parameter values and characteristic frequencies are determined and a first output port is linked by a constant ratio to corresponding quantities that define the response of other networks. A capacitively end-coupled channelizer filter is used for each channel of the multiplexer.

REFERENCES:
patent: 4117491 (1978-09-01), Hanna et al.
patent: 4168479 (1979-09-01), Rubin
patent: 4371853 (1983-02-01), Makimoto et al.
Raucher, "Logarithmic-Periodic Contiguous-Channel Microwave Multiplexers", EEE MTT-S Digest, Jun. 1989, pp. 21-24.
DuHamel et al, "Log-Periodic Transmission Line Circuits-Part I: One-Port Circuits", IEEE Trans. on Microwave The. & Tech., vol. MTT-14, No. 6, Jun. 1966, pp. 264-274.

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