Receiver arrangement formed by a plurality of receive branches

Details Receiver arrangement formed by a plurality of receive branches Receiver arrangement formed by a plurality of receive branches

1991-11-12

1994-09-06

Eisenzope, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Plural receivers

455273, 4552761, H04B 708

Patent

active

053456033

ABSTRACT:
This arrangement is formed by two receive branches (1) and (4) for receiving a wave whose frequency spectrum is practically constant in a predetermined frequency band, a combining circuit (15) for combining the waves at the output of the receive branches and a servo-control for keeping the spectrum of the signal at the output of the combining circuit constant by adjusting a phase shifting circuit (12) inserted in said branch (4). The servo-control is constituted by a frequency discrimination circuit (25) for analyzing the combined waves, an adjustable selective circuit (27) for obtaining a frequency band of the spectrum of the combined signal as a function of the output signal of the frequency discriminator and by a control circuit (29, 31) which adjusts the phase shifting circuit for optimizing the output signal of the selective circuit.

REFERENCES:
patent: 4326294 (1982-04-01), Okamoto et al.
patent: 4593413 (1986-06-01), Ozaki
patent: 5204979 (1993-04-01), Schenkyr et al.

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