Tunable negative resistance device

Details Tunable negative resistance device Tunable negative resistance device

2005-05-17

2005-05-17

Pascal, Robert (Department: 2817)

Oscillators

Solid state active element oscillator

Transistors

C331S167000

Reexamination Certificate

active

06894573

ABSTRACT:
The invention proposes a device for providing tunable high-frequency and/or radio-frequency comprising within one IC-package at least four signal paths providing at least two input and at least two output ports (rf-port1, rf-port2, rf-prot3, rf-port4) at least one active component (T) and at least one variable passive component (C1, C2) connected at least with an input port of the active component (T), and at least one control path for controllable tuning the at least one variable passive component (C1, C2).

REFERENCES:
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patent: 5959516 (1999-09-01), Chang et al.
patent: 6232847 (2001-05-01), Marcy, 5th et al.
patent: 6310419 (2001-10-01), Wood
patent: 6621364 (2003-09-01), Grewing et al.
patent: 20010050597 (2001-12-01), Chigira et al.
patent: 100 53 216 (2002-05-01), None

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