Circuit for the parallel coupling of audio frequency central-con

Details Circuit for the parallel coupling of audio frequency central-con Circuit for the parallel coupling of audio frequency central-con

1975-10-24

1978-03-07

Smith, Alfred E.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

333 24R, 333 77, H03H 704, H03H 708, H03H 746, H03H 714

Patent

active

040782166

ABSTRACT:
A circuit for the parallel coupling of audio frequency transmitting stations in a wave band filter construction is described, in which the wave band filter consists of two resonant circuits tuned to an audio frequency essentially free of the line harmonics, coupled magnetically to each other, and electrically separated, and in which the line-side circuit has been designed as a series resonant circuit, and the capacitor of the generator-side resonant circuit has been connected in parallel to the audio generator and to the coupling inductance of an ironless coupling transformer.

REFERENCES:
patent: 1511013 (1924-10-01), Affel
patent: 2092709 (1937-09-01), Wheeler
Chang-Parabolic Loci For Two Tuned Coupled Circuits in Proc. of the Ire (Reprint) Nov. 1948, Title page and pp. 1384-1388.

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