Broad-band signal transmitting device using transformer

Details Broad-band signal transmitting device using transformer Broad-band signal transmitting device using transformer

1974-12-03

1976-03-16

Heyman, John S.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

333 14, 333 18, H04B 110

Patent

active

039449378

ABSTRACT:
A broad-band signal transmitting device including a signal transmitting transformer of the primary to secondary turn ratio 1 : N, comprising a first circuit for expanding the transmission band to low frequencies by decreasing the impedance as well as by decreasing the gain for the signal component in the primary circuit of the transmission transformer, a second circuit connected with the output side of the transmission transformer having an impedance larger than N.sup.2 times of the impedance of the primary side and smaller than the impedance exhibited by the stray capacitance of the secondary side at the upper limit of the transmission band, an amplifier for recovering the gain drop in the first circuit, and a low frequency compensating circuit for compensating the lack of low frequency transmission characteristic due to the transmission transformer.

REFERENCES:
patent: 2931901 (1960-04-01), Markusen
patent: 3505607 (1970-04-01), Van Gerwen et al.
patent: 3562675 (1971-02-01), Urell

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