Download e-book for kindle: Analog-Baseband Architectures and Circuits for Multistandard by Pui-In Mak,Ben U Seng Pan,Rui Paulo Martins

By Pui-In Mak,Ben U Seng Pan,Rui Paulo Martins

ISBN-10: 1402064322

ISBN-13: 9781402064326

ISBN-10: 9048176409

ISBN-13: 9789048176403

With the previous few decade efforts on lithography and integrated-circuit (IC) applied sciences, very reasonably cheap microsystems were effectively built for plenty of diversified functions. the rage in instant communications is towards making a networkubiquitous period within the future years. Many unparalleled possibilities and demanding situations, akin to layout for multi-standardability and low-voltage (LV) compliance, are speedily changing into the mainstream instructions in wireless-IC learn and improvement, on condition that the previous can supply the simplest connectivity between diverse networks, whereas the latter can facilitate the know-how migration into the sub-1-V nanoscale regimes for extra rate and gear aid. Analog-Baseband Architecturees and Circuits provides architectural and circuit suggestions for instant transceivers to accomplish multistandard and low-voltage compliance. the 1st a part of the e-book reports the actual layer requisites of contemporary instant verbal exchange criteria, offers the basic tradeoffs fascinated by transceiver structure choice, and gives case reports of the state of the art multistandard transceivers, the place the foremost strategies bolstered are highlighted and mentioned. A statistical precis (with a hundred+ references brought up) of such a lot used transmitter and receiver architectures for contemporary conversation criteria is supplied. the entire references are citied from the prime boards, i.e., ISSCC, CICC, VLSI and ESSCIRC, from 1997 to 2005. the second one half specializes in the architectural layout of multistandard transceivers. A coarse-RF fine-IF (two-step) channelselection process is disclosed. It, during the reconfiguration of receiver and transmitter analog basebands, allows not just a rest of the RF frequency synthesizer’s and native oscillator’s layout requirements, but additionally a good multistandard compliance through synthesizing the low-IF and zero-IF within the receiver; and the direct-up and two-step-up within the transmitter. the primary is confirmed in few layout examples. certainly one of them is a system-in-a-package (SiP) receiver analog baseband for IEEE 802.11a/b/g WLAN. It not just has the two-step channel choice embedded, but in addition contains a flexible-IF topology, a different 3D-stack floorplan, and a specific layout method for prime testability and routability. The 3rd half bargains with the circuit layout. as well as the methodical description of many LV circuit ideas, three tailormade LV-robust useful blocks are offered. They contain: 1) a double-quadrature-downconversion clear out (DQDF) – it realizes at the same time clock-rate-defined IF reception, I/Q demodulation, IF channel choice and baseband filtering. 2) A switched-current-resistor (SCR) programmable-gain amplifier (PGA) – it bargains a transient-free constant-bandwidth achieve adjustment. three) An inside-OpAmp dc-offset canceler – it saves the silicon sector required for figuring out a wide time consistent on chip whereas maximizing its highpass-pole switchability for speedy dc-offset temporary. The final half provides experimental result of the three tailored development blocks and a fully-integrated analog-baseband IC fabricated in a standard-VTH CMOS technique. formerly untold on-/off-chip co-setup for either full-chip and development blocks measurements are defined. not just the construction blocks have effectively prolonged the cutting-edge boundary when it comes to sign bandwidth and provide voltage, the analog-baseband IC has been up to now the lowest-voltage-reported answer for IEEE 802.11a/b/g WLAN receivers.

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Analog-Baseband Architectures and Circuits for Multistandard and Low-Voltage Wireless Transceivers (Analog Circuits and Signal Processing) by Pui-In Mak,Ben U Seng Pan,Rui Paulo Martins

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