IQ

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Image Rejection Ratio (IMRR) with transmit IQ gain/phase imbalance

by Krishna Sankar on January 31, 2013

iq_modulator_with_gain_phase_imbalance

The post on IQ imbalance in transmitter, briefly discussed the effect of amplitude and phase imbalance and also showed that IQ imbalance results in spectrum at the image frequency. In this article, we will quantify [...]

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IQ imbalance in transmitter

by Krishna Sankar on March 8, 2009

iq_modulation_transmit_receive

Typical communication systems use I-Q modulation and we had discussed the need for I-Q modulation in the past. In this post, let us understand I-Q imbalance and its effect on transmit signal.

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