microwave circuit design for wireless applications

... fo For the impedancemeasurement, the maximum peak will occurfor the parallel resonant circuit, andminimum peak for the series resonantcircuit FIGURE 20: VOLTAGE VS FREQUENCY FOR RESONANT CIRCUIT ... The DC resistance for a conductor with a uniform cross-sectional area is found by: where: For a The resistance must be kept small as possible for higher Q of antenna circuit For this reason, a ... FREQUENCY RESPONSES FOR RESONANT CIRCUIT Note 1: (a) S11 Response, (b) Impedance Response for a Parallel Resonant Circuit, and (c) Impedance Response for a Series Resonant Circuit 2: In (a), the

Ngày tải lên: 11/01/2016, 11:33

... [22]-[25] 1.1.2 Monolithic Microwave Integrated Circuits (MMICs) Trang 25A monolithic microwave integrated circuit (MMIC) is a microwave circuit in which the active and passive microwave components ... Uniformity L M H HBT is the best for analog LSI circuits Hysteresis H M L HBT is the best for sample and hold circuits Large-signal Collector Efficiency M H H HBT is potentially the best for ... compared with the conventional hybrid microwave integrated circuits (HMICs) , MMICs have many potentials and important advantages for various microwave applications For example, (a) they are small

Ngày tải lên: 17/09/2015, 17:20

... circuits 2 Microwave circuits I Title: ‘The RF and microwave circuit design cookbook — (Artech House microwave library) 1 Microwave circuits—Design and construction 2 Radio circuits —Design and ... Trang 1The RF and Microwave Circuit Design Cookbook ID 0697 Trang 2The RF and Microwave Circuit Design Cookbook Trang 3The RF and Microwave Circuit Trang 4Library of Congress ... to the other Usually two Trang 19Microwave Circuits and Circuit Elements 17 lÌ | | 16 The RF and Microwave Circuit Design Cookbook | are used for microwave hybrids and directional

Ngày tải lên: 09/01/2014, 02:00

... circuits 2 Microwave circuits I Title: ‘The RF and microwave circuit design cookbook — (Artech House microwave library) 1 Microwave circuits—Design and construction 2 Radio circuits —Design and ... Trang 1The RF and Microwave Circuit Design Cookbook ID 0697 Trang 2The RF and Microwave Circuit Design Cookbook Trang 3The RF and Microwave Circuit Trang 4Library of Congress ... to the other Usually two Trang 19Microwave Circuits and Circuit Elements 17 lÌ | | 16 The RF and Microwave Circuit Design Cookbook | are used for microwave hybrids and directional

Ngày tải lên: 23/02/2014, 22:20

... small In fact, for simple circuits the explicit solution is usuallyadequate, but it is prone to failure for strongly nonlinear circuits This explicit formulation is also called ‘forward Euler’ ... constant are present in a circuit, like those introduced bythe bias circuitry In this case, a large number of microwave periods must be analysedbefore the reactances in the bias circuitry are charged, ... Microwave circuits 2 Electric circuits, Nonlinear I Leuzzi, Giorgio II Title. TK7876.G53 2004 621.381
33 – dc22 2004004941 British Library Cataloguing in Publication Data A catalogue record for

Ngày tải lên: 08/08/2014, 03:20

... algorithm for a single carrier modulated by a slowly varying ‘envelope’ signal for our test circuit; extension to a multi-carriersignal in a general nonlinear circuit is straightforward For this ... iterative numerical method This formulation of the nonlinear problem is known as waveform balance, since in eq (1.97) the current waveforms of the linear and nonlinear subcircuits must be anced at ... explained in the following A special two-tones form ofthe harmonic balance algorithm is therefore usually adopted also in these cases The formalism for two-tone analysis is easily extended to multi-tone

Ngày tải lên: 08/08/2014, 03:20

... method for microwave power transistors’, IEEE MTT-S Int Microwave Symp Dig., June 1976, pp 218 – 220. [12] G.P Bava, U Pisani, V Pozzolo, ‘Active load technique for load-pull characterisation at microwave ... anonlinear model for nonlinear circuit analysis The model must reproduce the electricalbehaviour of the device in large-signal operating conditions for the accurate prediction of circuit performances ... milliseconds for thermal phenomena and down to microsec-onds for trapping and de-trapping phenomena A superimposed microwave signal, be itsmall or large, does not have the time within a microwave

Ngày tải lên: 08/08/2014, 03:20

... equivalent circuit gives interestinginformation on the structure of the device, both as a feedback to technology and for aqualitative evaluation of the device performances by the designer As ... possible, both for practical model extraction and for physicalmeaningfulness of the circuit elements On the one hand, the evaluation of the elementvalues should be as easy and straightforward as ... can be fitted The optimisation can be performedfor each bias point separately or for all the data from all bias points of interest at once [29] In the former case, the risk is that the optimised

Ngày tải lên: 08/08/2014, 03:20

... into the performance of a device or circuit will be gained in a short time.Simple models have been used for a long time for power amplifier design [124–129] The equivalent circuit can be, for instance, ... device technology to microwave circuit performance’, IEEE Trans. Microwave Theory Tech., MTT-37(3), 457 – 467, 1989. [36] R.S Muller, T.I Kamins, Device Electronics for Integrated Circuits, Wiley, ... for circuit and device design’, IEEE Trans Microwave Theory Tech., MTT-41, 2211 – 2217, 1993. [108] F Filicori, G Vannini, V.A Monaco, ‘A nonlinear integral model of electron devices for HB circuit

Ngày tải lên: 08/08/2014, 03:20

... it is helpful to make some simple considerations about the active devices, FETs forinstance, used for microwave applications As seen above, they can be effectively treated as voltage-controlled ... stage is notcontrolled and specified during the design phase; it is a specification to be fulfilled by aseparately designed driver circuit using information about the input-port characteristics ... approaches [4–10], or by a careful design of the outputnetwork, both in lumped or in distributed form, while using the active device as a pureswitch, as in Class-E design [14–18, 26].On the other

Ngày tải lên: 08/08/2014, 03:20

... oscillator design Stability in nonlinear regime for the design of generalmicrowave circuits free of spurious oscillations of nonlinear origin or for the design ofintentionally unstable nonlinear circuits, ... behaviour, for instance sinusoidal, is a linear phenomenon In fact, most oscillators are designed by means of linear concepts and tools, and theirperformances are satisfactory, at least for basic applications ... forphase-locked loops; chaos prediction for chaotic communication or for chaos avoidance In this chapter, the linear conditions for stability and oscillation are first recalled; then,methods for

Ngày tải lên: 08/08/2014, 03:20

... for designing single-frequency and voltage-controlled GaAs FET oscillators’, IEEE Trans Microwave Theory Tech., MTT-29(4), 293 – 304, 1984. [12] K.L Kotzebue, ‘A technique for the design of microwave ... two circuits for the complete treatment of the signal Both the circuitsare reasonably well established now, and a reliable design can be performed; however,unnecessary complication of the circuitry ... approach to the design of microwave oscillators’, IEEE Trans Microwave Theory Tech., 35(12), 1340 – 1347, 1987. [15] Y Xuan, C.M Snowden, ‘Optimal computer-aided design of monolothic microwave inte-grated

Ngày tải lên: 08/08/2014, 03:20

... Giannini, E Limiti, ‘Applications of the non-linear scattering functions for the non-linear CAD of microwave circuits’, Proc IEEE ARFTG Symp., 2002. [45] J.P Mima, G.R Branner, ‘Microwave frequency ... small forward biascurrent, bringing the diode at the edge of forward conduction, allows the LO signal toeffectively switch it between almost short circuit (forward conduction) and almost opencircuit ... bias) even for low amplitudes of the LO signal itself, thus enhancing themixer performances; however, the need for a path for the bias current may complicatethe layout and degrade the performances

Ngày tải lên: 08/08/2014, 03:20

... equation for the circuit is It easy to see that forGtot< 0 an oscillatory solution growing in time is present; in this case, the DC solution is not stable, which is only mathematically possible For ... (Gtot = 0); an additional change takes place for Gtot = 2 · − Figure 8.5 A parallel resonant circuit Trang 3Figure 8.6 Root locus for the parallel resonant circuit in Figure 8.5Correspondingly, the ... increase for increasing gate bias voltage; the amplifiertherefore exhibits a gain expansion at low input power, then a gain compression forhigher input power when the limiting nonlinearities (forward

Ngày tải lên: 08/08/2014, 03:20

... Trang 1Circuit Design for Linearizing Transmitter Sim Chan Kuen NATIONAL UNIVERSITY OF SINGAPORE 2003 Trang 2Circuit Design for Linearizing Transmitter Sim Chan ... Test for ROF system(Before Linearization) 85 4.27 Multi-Carrier Test for ROF system(After Linearization) 85 Trang 10List of Tables 4.1 Comparison of two-tone test results performed by different design ... tones for ROF predistortion two-tones test (before linearization) 81 4.23 Overall output spectrum for ROF predistortion two-tones 4.24 Zooming on the frequency spectrum around the two tones for

Ngày tải lên: 03/10/2015, 20:57

... Trang 1RF CIRCUIT DESIGNREINHOLD LUDWIG GENE BOGDANOV Trang 3RF Circuit Design:Theory and Applications Reinhold Ludwig Worcester Polytechnic Institute ... Reinhold.RF circuit design : theory and applications / Reinhold Ludwig, Gene Bogdanov, p cm. Includes bibliographical references and index. ISBN 0-13-147137-6 (hardcover) 1 Radio circuits-D esign ... Reinhold. RF circuit design : theory and applications / Reinhold Ludwig, Gene Bogdanov, p cm. Includes bibliographical references and index. ISBN 0-13-147137-6 (hardcover) 1 Radio circuits-D esign

Ngày tải lên: 22/10/2022, 14:35

... H.264/AVC is designed such that it in-terfaces very well with packet-based networks such as RTP/IP [6] In this work, the robustness and the suitability of the H.264/AVC design for wireless video applications ... IEC, only results for synchronized reference frames for a feedback delay of about 250 ms are shown Other back modes show similar performance for this typical feed-back delay For the slice mode ... throughputηAL for different system designs for RLC-PDU loss rate of 1% (left-hand side) and 10% (right-hand side) For both cases, we assume that the considered user is also the worst-case user for which

Ngày tải lên: 22/06/2014, 23:20

... UML-BASED SYSTEM-DESIGN FLOW WITH SYSTEMC TLM PLATFORM FOR INTELLIGENT VEHICLES DESIGN The work presented so far described the potentials of Sys-temC TLM platform-based design for the system design of ... parameters tuning, and design of specific hardware accelerators This makes the reuse of platform-based designs easier than specific designs 4.1 Platforms and IBM platform driven design methodology ... & test System integration design Component design Component test Tier 2 Figure 2: V design cycle For a system designer, behavioral system is very attractive for hardware modeling as it has

Ngày tải lên: 22/06/2014, 19:20

... alphabets withM =2m, for example, for 8-PSK,M =8, andm =3 For the information in the enhancement layer (i.e., the encoder output component sent using the fine modulation of the nonuniform MPSK constellation) ... either uniform QPSK or uniform 8-PSK without channel coding (2) A 2-layer system using nonuniform 8-PSK without channel coding (3) A single-layer system using either uniform QPSK or uniform 8-PSK ... stream with uniform modulation; for the 2-layer system, the code withR(2)c = 1/3 is used for the enhancement layer.7 The results are demonstrated inFigure 10for AWGN chan-nel For lower values

Ngày tải lên: 22/06/2014, 19:20

... pagesdoi:10.1155/2008/457307 Research Article Code Design for Multihop Wireless Relay Networks Fr ´ed ´erique Oggier and Babak Hassibi Department of Electrical Engineering, California Institute of Technology, Pasadena ... hop We address the problem of code design when relay nodes may be used for more than one hop We consider as a protocol a more elaborated version of amplify-and-forward, called distributed space-time ... anten-nas What the relays perform on their received signal de-pends on the chosen protocol, generally categorized between amplify-and-forward (AF) and decode-and-forward (DF). In order to evaluate

Ngày tải lên: 22/06/2014, 19:20