Get Analog-Baseband Architectures and Circuits for Multistandard PDF

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 prior few decade efforts on lithography and integrated-circuit (IC) applied sciences, very inexpensive microsystems were effectively constructed for lots of diversified functions. the craze in instant communications is towards making a networkubiquitous period within the future years. Many exceptional possibilities and demanding situations, equivalent to layout for multi-standardability and low-voltage (LV) compliance, are swiftly changing into the mainstream instructions in wireless-IC examine and improvement, on condition that the previous can supply the easiest connectivity between assorted networks, whereas the latter can facilitate the expertise migration into the sub-1-V nanoscale regimes for extra expense and gear relief. Analog-Baseband Architecturees and Circuits offers architectural and circuit concepts for instant transceivers to accomplish multistandard and low-voltage compliance. the 1st a part of the publication reports the actual layer necessities of recent instant conversation criteria, provides the elemental tradeoffs thinking about transceiver structure choice, and gives case stories of the cutting-edge multistandard transceivers, the place the major recommendations bolstered are highlighted and mentioned. A statistical precis (with a hundred+ references stated) of such a lot used transmitter and receiver architectures for contemporary communique criteria is supplied. all of the references are citied from the best 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 procedure is disclosed. It, throughout the reconfiguration of receiver and transmitter analog basebands, allows not just a leisure of the RF frequency synthesizer’s and native oscillator’s layout necessities, but additionally a good multistandard compliance by way of synthesizing the low-IF and zero-IF within the receiver; and the direct-up and two-step-up within the transmitter. the main is proven 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 additionally includes a flexible-IF topology, a different 3D-stack floorplan, and a selected layout method for top testability and routability. The 3rd half offers with the circuit layout. as well as the methodical description of many LV circuit strategies, three tailormade LV-robust sensible blocks are awarded. They comprise: 1) a double-quadrature-downconversion filter 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 deals a transient-free constant-bandwidth achieve adjustment. three) An inside-OpAmp dc-offset canceler – it saves the silicon region required for knowing a wide time consistent on chip whereas maximizing its highpass-pole switchability for speedy dc-offset temporary. The final half offers experimental result of the three tailored construction blocks and a fully-integrated analog-baseband IC fabricated in a standard-VTH CMOS approach. 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 resolution 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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