Electromechanical branching filter

Details Electromechanical branching filter Electromechanical branching filter

1975-05-07

1976-10-12

Smith, Alfred E.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

333 72, H03H 926, H03H 932, H03H 914, H01L 4108

Patent

active

039861511

ABSTRACT:
An electromechanical branching filter capable of branching an input electrical signal into two output signals having different frequency components. It includes a wide bandpass filter section and a narrow bandpass filter section, both sections being mechanically connected to a common input transducer through coupling means including a coupler whose coupling coefficient is in the range of .+-.30 % of the geometric mean value of the fractional bandwidths of the two filter sections.

REFERENCES:
patent: 2955267 (1960-10-01), Mason
patent: 3142027 (1964-07-01), Albsmeier et al.
patent: 3534297 (1970-10-01), Onoe et al.

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