A Fully Integrated Low-IF Receiver using Poly Phase Filter for VHF Applications 


Vol. 35,  No. 5, pp. 482-489, May  2010


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  Abstract

In this paper we have proposed a new architecture of DQ-IRM(Double-Quadrature Image Rejection Mixer) for image rejection in the low-IF receiver. It consist of a frequency-tunable RF PPF(Poly Phase Filter) and the quadrature mixers. The conventional DQ-IRM generates the quadrature RF signals for the RF wide band at once. But the proposed DQ-IRM with the frequency-tuable RF PPF generates the quadrature RF signals for the narrow band of 2~3 channels bandwidth, which is partitioned from the RF wide band. We designed the CMOS RF tuner for T-DMB(Terrestrial Digital Multimedia Broadcasting) with the proposed 3rd DQ-IRM using a 0.18um CMOS technology and verified the performances of the designed receiver such as the image rejection ratio, the noise figure and the power consumption. The overall NF of the RF tuner is about 1.26 ㏈ and the image reject ratio is about 51 ㏈. The power consumption is 55.8 ㎽ at 1.8 V supply voltage. The chip area is 3.0 × 2.5 ㎟.

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  Cite this article

[IEEE Style]

S. Kim, D. Park, S. Oh, "A Fully Integrated Low-IF Receiver using Poly Phase Filter for VHF Applications," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 5, pp. 482-489, 2010. DOI: .

[ACM Style]

Seong-Do Kim, Dong-Woon Park, and Seung-Hyeub Oh. 2010. A Fully Integrated Low-IF Receiver using Poly Phase Filter for VHF Applications. The Journal of Korean Institute of Communications and Information Sciences, 35, 5, (2010), 482-489. DOI: .

[KICS Style]

Seong-Do Kim, Dong-Woon Park, Seung-Hyeub Oh, "A Fully Integrated Low-IF Receiver using Poly Phase Filter for VHF Applications," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 5, pp. 482-489, 5. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880