Title :
A 54dB-DR 1-GHz-bandwidth continuous-time low-pass filter with in-band noise reduction
Author :
De Matteis, M. ; D´Amico, S. ; Cocciolo, G. ; De Blasi, M. ; Baschirotto, A.
Author_Institution :
Innovation Eng. Dept., Univ. of Salento, Salerno, Italy
Abstract :
In this paper a 5th order low-pass continuous time analog filter in CMOS 45nm technology is presented. The filter design is based on a single compact cell used to synthesize five poles. The circuit performs the low-pass filtering of the in-band signal, while the in-band thermal noise is high-pass filtered, improving Signal-To-Noise-Ratio. 1-GHz -3dB-bandwidth is obtained by a prototype of the filter simulated in 45nm CMOS technology node (also Process-Voltage-Temperature simulations are available). The overall power consumption is 9mW from a single 1.2V supply voltage. 54dB@THD>40dBc is the SNR at 0dB gain.
Keywords :
CMOS analogue integrated circuits; continuous time filters; integrated circuit design; low-pass filters; CMOS technology; fifth-order low-pass continuous-time analog filter; filter design; five-pole synthesis; high-pass filter; in-band noise reduction; in-band signal; in-band thermal noise; power 9 mW; power consumption; process-voltage-temperature simulations; signal-to-noise-ratio; single-compact cell; size 45 nm; voltage 1.2 V; Active RC; Analog filter; CMOS 90nm; Low-Power; Low-Voltage; Wireless;
Conference_Titel :
Circuits and Systems (ISCAS), 2013 IEEE International Symposium on
Conference_Location :
Beijing
Print_ISBN :
978-1-4673-5760-9
DOI :
10.1109/ISCAS.2013.6572087
