Telephone transmission circuit
作者： Akinobu Tomimori , Michio Hara , Hiroshi Hara
DOI:
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摘要: A telephone transmission circuit for connection to line terminals includes a transmitter amplifier, receiver amplifier and balancing suppressing the leakage of output being connected so that power supplied from is effectively used. Good impedance matching between achieved by automatic adjustment responsive length an exchange.
lens.org 参考文章(4)
Gorlitz H, Ritz H, Jendis A, Circuit arrangement for attenuation compensation in telecommunication subscriber stations ,(1972)
Klaus Walla, Power circuit for loudspeaker telephone ,(1979)
Akinobu Tomimori, Hiroshi Hara, Esao Hishinuma, Telephone transmitter amplifier ,(1979)
Arrigo Sebastiano Ing Grad D, Antonio Ing Grad Neri, Schaltung zum empfang und zum aussenden von signalen ,(1977)