Referenced Items are not available for this document.
A three-pole 0.1 dB ripple Chebyshev series-C coupled resonator bandpass filter with transformer-based Q-enhancement is presented. This Q-enhancement technique compensates resonator loss and produces a flat passband response with low insertion loss. The compensation scheme uses frequency-dependent negative resistance to compensate frequency-dependent inductor losses, avoiding passband distortion, which is a problem with cross-coupled negative resistance circuits. Fabricated in 0.18 μm CMOS, the measured filter center frequency is 2368 MHz with a 60 MHz (3 dB) bandwidth, including probe pad and connecting trace parasitic losses. The filter draws 5.84 mA at 1.5 V, and the die area is 1.5 mm×1.5 mm.
Published in:
Solid-State Circuits, IEEE Journal of
(Volume:41
,
Issue:
2
)
Date of Publication: Feb. 2006
- Page(s):
- 362 - 374
- ISSN :
- 0018-9200
- INSPEC Accession Number:
- 8767761
- Digital Object Identifier :
- 10.1109/JSSC.2005.862348
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 30 January 2006
- Issue Date :
- Feb. 2006
- Sponsored by :
- IEEE Solid-State Circuits Society
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