Transmit/receive circuit with PIN diodes

Details Transmit/receive circuit with PIN diodes Transmit/receive circuit with PIN diodes

2011-08-16

2011-08-16

Chen, Junpeng (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

With protection circuit for receiver circuit

C455S041100, C455S041200, C455S082000, C455S087000, C455S180400, C455S191200, C455S193300, C455S197200, C381S008000, C381S009000, C381S326000, C381S331000

Reexamination Certificate

active

08000668

ABSTRACT:
Structurally simple transmit/receive circuits for hearing devices are to be able to be deployed for higher frequencies as well. It is therefore proposed according to the invention that at least two PIN diodes should be connected in an anti-parallel manner between the receive oscillating circuit and the amplifier connected thereto to protect the amplifier. A capacitance diode can optionally be expanded so that larger component tolerances can be permitted for the circuit.

REFERENCES:
patent: 4554512 (1985-11-01), Aiello
patent: 4793356 (1988-12-01), Misic et al.
patent: 5341114 (1994-08-01), Calviello et al.
patent: 5445985 (1995-08-01), Calviello et al.
patent: 5714900 (1998-02-01), Ehlers
patent: 5903150 (1999-05-01), Roznitsky
patent: 7366316 (2008-04-01), Reithinger
patent: 10304479 (2004-07-01), None
patent: 1301017 (2003-04-01), None
patent: 2312105 (1997-10-01), None
patent: 8701199 (1987-02-01), None

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