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Class Information
Number: 332/172
Name: Modulators > Amplitude modulator > Modulating signal applied to a bridge circuit
Description: Subject matter in which the carrier is applied to an impedance bridge in which the impedance of at least one branch is varied in accordance with the modulating signal.










Patents under this class:

Patent Number Title Of Patent Date Issued
5469126 I/Q-modulator and I/Q-demodulator Nov. 21, 1995
5453717 H-bridge type power amplifier and its blocking means Sep. 26, 1995
5343171 Circuit for improving carrier rejection in a balanced modulator Aug. 30, 1994
5214397 Modulator using low-pass filter as delay element May. 25, 1993
5153536 Suppressed carrier modulator formed from two partial modulators each including a phase delay path Oct. 6, 1992
4954790 Enhanced coupled, even mode terminated baluns, and mixers and modulators constructed therefrom Sep. 4, 1990
4952890 Phase modulation compensated amplitude modulator using digitally selected amplifiers Aug. 28, 1990
4868528 Ring-mounted microwave device Sep. 19, 1989
4637069 Doubly balanced diode mixer comprising a ring modulator each leg of which comprises a high speed conventional diode in series with at least one diode of the "varactor" kind Jan. 13, 1987
4534062 Adjustable double balanced mixer Aug. 6, 1985
4509202 Full-wave rectification of signals generated by radio frequency transmitting circuits Apr. 2, 1985
4418319 Signal processing product circuitry Nov. 29, 1983











 
 
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