Modulators – Amplitude modulator – Including microwave or distributed parameter structure
Patent
1998-03-19
2000-03-07
Mis, David
Modulators
Amplitude modulator
Including microwave or distributed parameter structure
332106, 332177, 333258, H03C 108, H03C 100, H01P 110, H01P 115
Patent
active
060345748
ABSTRACT:
A modulation apparatus connected to a termination edge of a waveguide path has a matching circuit, a detection diode for detecting a high-frequency signal inputted from the waveguide path, a resistor consumes a detection output of the detection diode, a transmission signal source controls a bias of the detection diode in accordance with a transmission signal, and a high-frequency choke. The high-frequency signal inputted when the detection diode is in a cut-off condition is reflected to the waveguide path. The high-frequency signal inputted when the detection diode is conductive is detected in the detection diode and consumed in a resistor.
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patent: 5394154 (1995-02-01), Uematsu et al.
patent: 5717400 (1998-02-01), Vematsu et al.
IEICE Trans. Commun., vol. E79-B, No. 12, Dec. 1996, pp. 1759-1764 "NRD Guide Digital Transceivers for Millimeter Wave LAN System", Kuroki, F. et al.
Canon Kabushiki Kaisha
Mis David
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