Signal regenerating apparatus with DC compensation

Details Signal regenerating apparatus with DC compensation Signal regenerating apparatus with DC compensation

1979-06-18

1981-03-10

Robinson, Thomas A.

Pulse or digital communications

Repeaters

Testing

178 70R, H04L 2528

Patent

active

042558123

ABSTRACT:
In known signal regenerating apparatus a high frequency signal is continuously applied to the secondary side and inductively coupled back to a resonant circuit on the primary side. The resultant oscillations in the resonant circuit are modulated by the incoming communication signals. The so-modulated signals are coupled back to the secondary side where they are demodulated. The demodulated signals are identical to the communication signals except for a DC component. A separate rectifier circuit, similar to the demodulator circuit is therefore provided for rectifying the high frequency signal. The rectified high frequency signal constitutes a DC voltage which, when combined with the demodulated signals, will remove the undesired DC component therefrom.

REFERENCES:
patent: 3997733 (1976-12-01), Sanders

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