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The proposed quadrature-modulator integrates a frequency doubler with a five-stage polyphase filter driven quadrature modulator for single-sideband transmitter applications. Application of a dual-feedback buffering amplifier produces a combination of high output power, low distortion components and power dissipation.
Circuits and Systems, 2002. ISCAS 2002. IEEE International Symposium on (Volume:5 )
Date of Conference: 2002