A 1.4V, 13.5mW, 10/100MHz 6/sup th/ order elliptic filter/VGA with DC-offset correction in 90nm CMOS [WLAN applications]

This paper presents a complete base-band chain for WLAN applications in 1.4 V 90 nm CMOS. The chain consists of a 6/sup th/ order elliptic Gm-C 10/100 MHz filter and five VGA stages. The design is DC-offset free and uses optimized transconductance for linearity and low-voltage operation. Moreover, t...

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Bibliographic Details
Main Authors: Elmala, M., Carlton, B., Bishop, R., Soumyanath, K.
Format: Conference Proceeding
Language:English
Subjects:
Band pass filters
Capacitors
Frequency
Linearity
Low pass filters
Nonlinear filters
RLC circuits
Transconductance
Transfer functions
Wireless LAN
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Description
Summary:This paper presents a complete base-band chain for WLAN applications in 1.4 V 90 nm CMOS. The chain consists of a 6/sup th/ order elliptic Gm-C 10/100 MHz filter and five VGA stages. The design is DC-offset free and uses optimized transconductance for linearity and low-voltage operation. Moreover, the integrators in the filter are compensated for losses through a frequency transformation. The IIP3 is 2 dBm at 13.5 dB minimum gain, while dissipating 13.5 mW.
ISSN:1529-2517
2375-0995
DOI:10.1109/RFIC.2005.1489627