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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | In-Young Lee Sang-Sung Lee Donggu Im Seungjin Kim Jeongki Choi Sang-Gug Lee Jinho Ko |
| Copyright Year | 2014 |
| Description | Author affiliation: KAIST, Daejeon, South Korea (In-Young Lee; Sang-Sung Lee; Seungjin Kim; Sang-Gug Lee) || PHYCHIPS, Daejeon, South Korea (Jeongki Choi; Jinho Ko) || Univ. of Texas, Richardson, TX, USA (Donggu Im) |
| Abstract | In TV tuner systems, the RF front-end design has been a challenging issue since it must simultaneously satisfy over 65dB of harmonic rejection (HR), and have high linearity for high-power input and low noise over wide bandwidth (48-to-870MHz). In terms of harmonic rejection, even though the state-of-the-art work reports over 60dB rejections on the $3^{rd}-$ and $5^{th}-$ order harmonics with a single mixer [1], $higher-than-5^{th}-order$ harmonic rejections are still required for the low-band channels in TV tuners and thereby RF filters are indispensable at the RF front-end. However, due to the difficulties of integrating RF filters satisfying low noise and high linearity over wide bandwidth, the previous works inevitably had to use external inductors [2-4]. Although a recent work successfully integrates an RF filter satisfying all the stringent specifications by current-domain signal flow from the LNA output to the baseband stage [5], the transconductance stage at the filter input is not linear enough to drive the high-power input and thus the input signal needs to be attenuated at the RF front-end, which eventually degrades system SNR. |
| Starting Page | 70 |
| Ending Page | 71 |
| File Size | 1567514 |
| Page Count | 2 |
| File Format | |
| ISBN | 9781479909186 |
| ISSN | 01936530 |
| e-ISBN | 9781479909209 |
| DOI | 10.1109/ISSCC.2014.6757342 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-02-09 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | TV Tuners Bandwidth Radio frequency Harmonic analysis Noise measurement Signal-to-noise ratio |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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