Referenced Items are not available for this document.
To reduce DC offset caused by local-oscillator-signal self-mixing in a direct-conversion receiver, an active balanced harmonic mixer with second-order intermodulation (IM2) canceler was proposed, and a direct downconverter containing the mixer and a 45° phase shifter was fabricated on a BiCMOS chip. The dc offset caused by the self-mixing was measured and found to be smaller than the noise level. A second-order intercept point at the input of +37 dBm was achieved with the IM2 canceler, which is suitable for direct conversion receivers for quadrature phase-shift keying signals containing an amplitude modulation component
Published in:
Solid-State Circuits, IEEE Journal of
(Volume:33
,
Issue:
12
)
Date of Publication: Dec 1998
- Page(s):
- 2240 - 2246
- ISSN :
- 0018-9200
- INSPEC Accession Number:
- 6122989
- Digital Object Identifier :
- 10.1109/4.735708
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Dec 1998
- Sponsored by :
- IEEE Solid-State Circuits Society
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