By Michiel Steyaert, Arthur H.M. van Roermund, Johan Huijsing
Analog Circuit layout is an important reference resource for analog circuit designers and researchers wishing to maintain abreast with the most recent improvement within the box. the educational assurance additionally makes it compatible to be used in a complicated layout direction.
Read or Download Analog Circuit Design: RF Circuits: Wide band, Front-Ends, DAC's, Design Methodology and Verification for RF and Mixed-Signal Systems, Low Power and Low Voltage PDF
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The state-of-the-art of multicarrier modulation for the transmission of high-speed information With DSL know-how poised to supply the quickest technique of net entry for future years, there's a starting to be desire for functional info on operating xDSL prone over present mobile traces. Communications professional John Bingham attracts on 3 a long time of intimate involvement with info transmission examine to supply a whole consultant to the state-of-the-art and destiny path of multicarrier modulation (MCM)-one of the major tools for high-speed information transmission this day.
Extra resources for Analog Circuit Design: RF Circuits: Wide band, Front-Ends, DAC's, Design Methodology and Verification for RF and Mixed-Signal Systems, Low Power and Low Voltage
The considerations in the concept phase on technology and topology level are highlighted. The main targeted market segment is the cellular applications, urging for very low power consumption in all operation modes. The presented chip presents a very competitive consumption in active operation and also an excellent powerdown current consumption. The physical layer implementation of the transmitter part of the chip is presented as a case study of the active power reduction. 1. 1. The digital base-band processor and the RF transceiver were often split in a two-chip solution.
The single-hop transmitter thus requires a high-speed DAC. If we would only remove the first mixing stage and the first band-pass filter in figure 8 then we could allow the DAC to have a smaller output amplitude. If we can remove one mixing stage by using a higher frequency DAC then we do not necessarily need to have a high output amplitude. Of coarse part of the linearity problems of the DAC are then solved by the amplifier. But its specifications are not harder then they are in the original super-heterodyne transmitter.
The main digital base-band processor part is separated from the transceiver part by an on-chip isolation wall in the silicon substrate. Also “aggressive” and “sensitive” transceiver parts are separated from each other by these isolation structures. 30 3. 3 shows the top-level topology of the RF transceiver integrated in the STLC2500 single chip Bluetooth. 3 : Topology of the Bluetooth transceiver. The receiver implements a low-IF architecture for Bluetooth modulated input signals. The mixers are driven by two quadrature signals which are locally generated from a VCO signal running at twice the channel frequency.