TY - JOUR
T1 - A widely-tunable, reconfigurable CMOS analog baseband IC for software-defined radio
AU - Kitsunezuka, Masaki
AU - Hori, Shinichi
AU - Maeda, Tadashi
PY - 2009/9
Y1 - 2009/9
N2 - This paper describes a reconfigurable analog baseband (ABB) for a software-defined radio (SDR). A wide variety of filter characteristics needed for SDR can be obtained by a reconfigurable filter based on a newly developed duty-cycle controlled discrete-time transconductor. The ABB, implemented in a 90 nm CMOS process, provides second- and fourth-order Butterworth, Chebyshev, and elliptic responses with bandwidths from 400 kHz to 30 MHz. The chip draws only 12 mA and achieves a P 1dB of +7∼ dBm with a 1.0 V supply. The input-referred integrated in-band noise is 0.31∼ mV rms and the die area is as small as 0.57∼mm2.
AB - This paper describes a reconfigurable analog baseband (ABB) for a software-defined radio (SDR). A wide variety of filter characteristics needed for SDR can be obtained by a reconfigurable filter based on a newly developed duty-cycle controlled discrete-time transconductor. The ABB, implemented in a 90 nm CMOS process, provides second- and fourth-order Butterworth, Chebyshev, and elliptic responses with bandwidths from 400 kHz to 30 MHz. The chip draws only 12 mA and achieves a P 1dB of +7∼ dBm with a 1.0 V supply. The input-referred integrated in-band noise is 0.31∼ mV rms and the die area is as small as 0.57∼mm2.
KW - Analog baseband
KW - Discrete-time filter
KW - Duty-cycle control
KW - Reconfigurable filter
KW - Software-defined radio
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U2 - 10.1109/JSSC.2009.2023275
DO - 10.1109/JSSC.2009.2023275
M3 - Article
AN - SCOPUS:70249105002
SN - 0018-9200
VL - 44
SP - 2496
EP - 2502
JO - IEEE Journal of Solid-State Circuits
JF - IEEE Journal of Solid-State Circuits
IS - 9
M1 - 5226708
ER -