Harmonic noise minimization in a radio receiver by selectively o

Details Harmonic noise minimization in a radio receiver by selectively o Harmonic noise minimization in a radio receiver by selectively o

1990-10-15

1992-09-08

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

307263, H03K 604, H04B 110

Patent

active

051466171

ABSTRACT:
An electronic circuit, such as the type which may be found in a watch pager receiver, which contains both analog and digital circuitry, includes harmonic noise minimization circuitry. The minimization circuitry is constructed using standard cell designs which are optimized for particular clock operations. Select circuit components are optimized to produce minimal harmonics, to operate at the predetermined frequency and include resistance means to provide an output of a second known level which is characterized by an optimized output signal having a ramped wave configuration. The optimized output signal is of adequate strength to provide an input to a downstream component.

REFERENCES:
patent: 4644250 (1987-02-01), Hartgring
patent: 4713808 (1987-12-01), Gaskill et al.
patent: 4947063 (1990-08-01), O'Shaughnessy et al.
patent: 5012131 (1991-04-01), Maben et al.

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