VLF/HF EMI filter

Details VLF/HF EMI filter VLF/HF EMI filter

1985-11-27

1987-06-09

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Frequency domain filters utilizing only lumped parameters

333 12, 333168, 333185, 343728, H03H 701, H04B 328, H01Q 152

Patent

active

046723374

ABSTRACT:
An EMI filter for use in a low frequency radio receiver. The device is inserted in the signal line between the receiver and its antenna to provide both common mode and differential mode filtering of out-of-band interfering HF signals which are picked up on the antenna as well as on the signal line and attendant cable shields.

REFERENCES:
patent: 2144950 (1939-01-01), Wiessner
patent: 2204179 (1940-06-01), George
Buchsbaum-"Eliminating 21 MC. Interference", Radio and Television News, O, 1952; pp. 48-50 and 171.
Sekhri-"Power Line Filter", IBM Technical Disclosure Bulletin, vol. 17, No. 7, Dec. 1974, pp. 1998-1999.
Haskett et al.-"Radio and TV Interference", Electronics World, May 1964; pp 39-41.

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