TY - GEN
T1 - A fully integrated TV tuner front-end with 3.1dB NF, >+31dBm OIP3, >83dB HRR3/5 and >68dB HRR7
AU - Lee, In Young
AU - Lee, Sang Sung
AU - Im, Donggu
AU - Kim, Seungjin
AU - Choi, Jeongki
AU - Lee, Sang Gug
AU - Ko, Jinho
PY - 2014
Y1 - 2014
N2 - 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 3rd- and 5th- order harmonics with a single mixer [1], higher-than-5th-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.
AB - 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 3rd- and 5th- order harmonics with a single mixer [1], higher-than-5th-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.
UR - https://www.scopus.com/pages/publications/84898081111
U2 - 10.1109/ISSCC.2014.6757342
DO - 10.1109/ISSCC.2014.6757342
M3 - Conference paper
AN - SCOPUS:84898081111
SN - 9781479909186
T3 - Digest of Technical Papers - IEEE International Solid-State Circuits Conference
SP - 70
EP - 71
BT - 2014 IEEE International Solid-State Circuits Conference, ISSCC 2014 - Digest of Technical Papers
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2014 61st IEEE International Solid-State Circuits Conference, ISSCC 2014
Y2 - 9 February 2014 through 13 February 2014
ER -