Device for demodulating a frequency-modulated signal

Details Device for demodulating a frequency-modulated signal Device for demodulating a frequency-modulated signal

1987-11-05

1989-09-26

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Modulating or demodulating

Frequency

360 64, G11B 2006, G11B 1514

Patent

active

048705110

ABSTRACT:
In order to reduce disturbances in a device for demodulating a frequency-modulated signal, which disturbances are caused by head-switching in a video recorder, a low-pass filter which is normally arranged between the demodulator (10) and the hold circuit (12) is relocated. The low-pass filter (23, 24), i.e. at least the capacitive element (24) of this filter, is arranged in the hold circuit (12), and, in particular, at least the capacitive element (24) of the low-pass filter (23, 24) being arranged in the main signal path after the switching means (18).

REFERENCES:
patent: 4443822 (1984-04-01), Furrer
patent: 4559567 (1985-12-01), Maruichi et al.
patent: 4704642 (1987-11-01), Namiki

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