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A 2 GHz balanced harmonic mixer for direct-conversion receivers

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2 Author(s)
Yamaji, T. ; Res. & Dev. Center, Toshiba Corp., Kawasaki, Japan ; Tanimoto, H.

To reduce DC offset caused by LO signal self-mixing in a direct-conversion receiver, a balanced harmonic mixer was proposed and fabricated by using a silicon bipolar technology. The measured self-mixing DC offset was equivalent to -92 dBm at the mixer input and is of the same order as equivalent input noise. This makes it possible to use a simple offset cancellation technique to overcome the self-mixing problem

Published in:

Custom Integrated Circuits Conference, 1997., Proceedings of the IEEE 1997

Date of Conference:

5-8 May 1997