By Arie van Staveren
ISBN-10: 0306481693
ISBN-13: 9780306481697
ISBN-10: 0792372832
ISBN-13: 9780792372837
Analog layout nonetheless has, regrettably, a style of paintings. paintings could be appealing. despite the fact that, artwork in itself is hard to coach to scholars and tough to move from skilled analog designers to new trainee designers in businesses.
Structured digital layout: High-Performance Harmonic Oscillatorsand Bandgap References goals to systemize analog layout. using orthogonalization of the layout of the basic caliber features (noise, distortion, and bandwidth) and hierarchy within the next layout steps, permits designers to accomplish high-performance designs, in a comparatively little while. as a result of systematic layout strategy, the impact of layout judgements at the circuit functionality is made transparent. also, using assets for achieving a distinctive functionality is tracked. This publication, for that reason, describes the established digital layout of high-performance harmonic oscillators and bandgap references.
The based layout of harmonic oscillators contains the maximization of the carrier-to- noise ratio by way of tapping, i.e. an impedance adaption process for noise matching. The bandgap reference, a favored implementation of a voltage reference, is studied through the weird proposal of the linear mix of base-emitter voltages. The provided technique ends up in the layout of high-performance references in CMOS and Bipolar know-how. utilizing this idea, on a excessive point of abstraction the standard with recognize to, for example, noise and power-supply rejection might be pointed out. during this ebook, it truly is proven with numerous layout examples that this technique offers a good start line for the layout of high-performance bandgap references.
Auxiliary to the harmonic-oscillator and bandgap reference layout are the adverse- suggestions amplifiers. during this ebook the systematic layout of the dynamic habit is emphasised. by way of the id of the dominant poles, it's attainable to provide an top restrict of the possible bandwidth, even earlier than the genuine frequency reimbursement is complete.
Structured digital layout: High-Performance Harmonic Oscillatorsand Bandgap References is a priceless ebook for researchers and architects, in addition to scholars within the box of analog layout. It is helping either the skilled and trainee clothier to come back to grips with the layout of analog circuits. The provided strategy is illustrated through numerous good- defined layout examples.
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Extra info for Structured Electronic Design: High-Performance Harmonic Oscillators and Bandgap References
Sample text
This means that the signal-path devices and the bias circuits also function properly at zero voltage and the impedance level can be made zero, such that the voltage swing becomes zero, without the cost of extra power. In that case the total power consumption is constant and equals However, in practical cases, the signal-path devices and the bias circuits require some minimal voltage for proper functioning. When this minimal voltage is not available, (very) much additional power is required (including additional circuits) to get the circuit functioning, if possible.
This solution is the best with respect to all the fundamental criteria at the same time. This, implicitly means that one has to strive for orthogonality of the fundamental limits in the design method. Otherwise, weighting factors have to be introduced to be able to make the best compromise between two or more criteria. As weighting factors introduce subjectivity into the design process, they should be kept to a minimum. Orthogonality may help to put the remaining subjective weighting factors at the end of the design trajectory where the effect of the weighting can be evaluated for the complete design.
If analog and digital 41 42 CHAPTER 3. LOW-VOLTAGE LOW-POWER DESIGN circuits are to be integrated on the same chip, and only one power supply is to be used, the supply voltage of the analog part has to reduce too. In this chapter, the influence of a low-voltage, low-power constraint on the circuit’s performance is examined. Low-voltage and low-power design are not completely independent topics. Low-power design may also concern low-voltage design, only the additional constraint low current is introduced.
Structured Electronic Design: High-Performance Harmonic Oscillators and Bandgap References by Arie van Staveren
by Kenneth
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