Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination
Patent
1978-08-21
1980-04-15
Bookbinder, Marc E.
Telecommunications
Receiver or analog modulated signal frequency converter
Noise or interference elimination
307237, 455308, H04B 110
Patent
active
041986024
ABSTRACT:
A limiter circuit comprises a low-pass filter which passes only a modulation signal out of the modulation signal having pulsive noises superimposed thereon and circuit means for supplying the modulation signal extracted by the filter to current source circuits for a limiter differential amplifier to control the current source circuit for the limiter differential amplifier in accordance with a waveform of the input modulation signal applied thereto.
REFERENCES:
patent: 3932768 (1976-01-01), Takahashi et al.
patent: 3968383 (1976-07-01), Smith
patent: 4042883 (1977-08-01), Rae
Fukushima Isao
Kimura Hiroyuki
Nishijima Hideo
Bookbinder Marc E.
Gerasimow Alexander
Hitachi , Ltd.
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