Analog Integrated Circuits for Communication: Principles, by Donald O. Pederson

By Donald O. Pederson

Analog built-in Circuits for conversation: rules, Simulation and layout, moment version covers the research and layout of nonlinear analog built-in circuits that shape the root of present-day verbal exchange platforms. either bipolar and MOS transistor circuits are analyzed and several other numerical examples are used to demonstrate the research and layout concepts built during this booklet. specially special to this paintings is the tight coupling among the first-order circuit research and circuit simulation effects. huge use has been made from the general public area circuit simulator Spice, to ensure the result of first-order analyses, and for specific simulations with complicated gadget versions. Highlights of the hot variation contain: a brand new introductory bankruptcy that offers a quick assessment of verbal exchange structures, transistor versions, and distortion new release and simulation. Addition of recent fabric on MOSFET mixers, compression and intercept issues, matching networks. Revisions of textual content and causes the place essential to mirror the hot association of the publication Spice enter documents for the entire circuit examples which are to be had to the reader from an internet site. challenge units on the finish of every bankruptcy to augment and practice the subject material. An teachers strategies handbook is out there at the book's web site at springer.com. Analog built-in Circuits for conversation: ideas, Simulation and layout, moment variation is for readers who've accomplished an introductory path in analog circuits and are conversant in uncomplicated research strategies in addition to with the working ideas of semiconductor units. This ebook additionally serves as an invaluable reference for working towards engineers.

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Fourier components of the output voltage for two input amplitudes. 2 V and V(16) for an input of 2 V. 39) where V1A is the zero-to-peak value of the input sinusoidal tone. 38) can be converted to harmonic terms using trigonometric identities. 40) 3 cos 3ω1 t − . . where compression and expansion terms from higher-order terms are neglected. The above expression is of the form ID2 = bo + b1 cos ω1 t + b2 cos 2ω1 t + b3 cos 3ω1 t + . . 6 A Series Expansion to Obtain Distortion Components for the SCP 39 The bi are the coefficients of the harmonic terms.

Large-signal equivalent circuit of EC pair. 13) V1 Vt IEE 1 + exp(d) IEE = 1 − tanh 2 = d 2 where d = V1 /Vt . 13) are obtained by V1 adding and subtracting 12 and by multiplying and dividing by exp( 2V ) = t −V1 d d exp( 2 ) or exp( 2Vt ) = exp(− 2 ). 14. The output voltages can be obtained from Vo = VCC − IC RC . Note in the figure that the input voltage is scaled with respect to Vt . 00 -6 -4 -2 0 2 4 6 d = V1 /VT Fig. 14. IC1 and IC2 as a function of d. As expected, the nature of the plots is the same as that produced by the Spice simulation of the last section.

For IC2 , IC2 1 1 1 1 1 5 = − d + d3 − d + ... 16) We now introduce a sinusoidal input and include it in the power series. 17) where V1A is the zero-to-peak amplitude of the input sinusoidal tone, ω1 . , cos3 x = 14 cos 3x + 34 cos x 1 5 and cos5 x = 16 cos 5x + 16 cos 3x + 58 cos x. The result is 28 2 Large-Signal Performance of the Basic Gain Stages in Analog ICs IC2 1 1 V1A 1 = − cos ω1 t + IEE 2 4 Vt 48 = 1 1 V1A 3 − − 2 4 Vt 48 + 1 4 × 48 V1A cos ω1 t Vt V1A Vt 3 + ... 19) 3 V1A Vt cos 3ω1 t + .

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