Audio signal transmission line with a low pass filter

Details Audio signal transmission line with a low pass filter Audio signal transmission line with a low pass filter

1990-10-24

1992-08-25

LaRoche, Eugene R.

Wave transmission lines and networks

Plural channel systems

With balanced circuits

333 12, 333 24R, 174 34, H01P 500

Patent

active

051422522

ABSTRACT:
An audio signal transmission line comprising an additional inductance inserted in series with the line and/or coupled in parallel therewith near the load end of the line for providing a low pass filter which overcomes parasitic and dielectric capacitance of the line so as to reduce audio frequency noise generated in the line by low level and low frequency audio signals. The magnitude of the inductance used may vary widely, e.g. from 20 microhenries to 1 millihenry, depending on the length of the line and the space available.

REFERENCES:
patent: 773472 (1904-10-01), Campbell
patent: 2865006 (1958-12-01), Sabaroff
patent: 4683450 (1987-07-01), Max et al.
patent: 4718100 (1988-01-01), Brisson
patent: 4885555 (1989-12-01), Palmer
patent: 4945189 (1990-07-01), Palmer
patent: 4954787 (1990-09-01), Brisson

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