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- Title
MULTI-STANDARD RECEIVER BASEBAND CHAIN USING DIGITALLY PROGRAMMABLE OTA BASED ON CCII AND CURRENT DIVISION NETWORKS.
- Authors
MAHMOUD, SOLIMAN A.; SOLIMAN, EMAN A.
- Abstract
In this paper, a digitally programmable OTA-based multi-standard receiver baseband chain is presented. The multi-standard receiver baseband chain consists of two programmable gain amplifiers (PGA1 and PGA2) and a fourth-order LPF. The receiver is suitable for Bluetooth/ UMTS/DVB-H/WLAN standards. Three different programmable OTA architectures based on second generation current conveyors (CCIIs) and Current Division Networks (CDNs) are dis-cussed. The programmable OTA with the lowest power consumption, moderate area and good linearity -- better than -50 dB HD3 -- is selected to realize the multi-standard baseband receiver chain. The power consumption of the receiver chain is 6 mW. The DC gain varies over a 68 dB range with 1 MHz to 13.6 MHz programmable bandwidth. The receiver baseband chain is realized using 90 nm CMOS technology model under ±0.5 V voltage supply.
- Subjects
COMPUTER architecture; MATHEMATICAL programming; RADIOS; ELECTRIC currents; ELECTRONIC amplifiers; BANDWIDTHS; ELECTRIC potential
- Publication
Journal of Circuits, Systems & Computers, 2013, Vol 22, Issue 4, p1
- ISSN
0218-1266
- Publication type
Article
- DOI
10.1142/S0218126613500199