A SiGe HBT 24 GHz Sub-Harmonic Direct-Conversion IQ-Demodulator
- 31 March 2005
- proceedings article
- Published by Institute of Electrical and Electronics Engineers (IEEE)
Abstract
The paper presents an IQ-demodulator for use in a 24 GHz direct conversion receiver. The circuit has been monolithically implemented in a commercial SiGe HBT process production line using a standard (20 /spl Omega/cm) substrate. Measured results show a conversion gain of 11 dB, a LO/RF isolation of 35 dB and a 1-dB compression point of -10 dBm while consuming 101 mA at 3 V Vcc.Keywords
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