lumped elements for rf and microwave circuits

[...]... incentives to use 1 2 Lumped Elements for RF and Microwave Circuits LEs to develop compact and lower cost active and passive RF and microwave circuits [29] Figure 1.1 shows the basic lumped elements used in MMICs Also shown are via holes and dielectric crossovers, which are integral parts of these elements 1.2 Why Use Lumped Elements for RF and Microwave Circuits? Although lumped- element circuits typically... wavelength Lumped elements for use at RF and microwave frequencies are designed on the basis of this consideration RF and microwave circuits use three basic lumped- element building blocks; capacitors, inductors and resistors Lumped inductor transformers and baluns are also commonly used in many circuits 1.1 History of Lumped Elements Lumped elements (LEs) came into existence for possible use in microwave. .. component, the voltage and current across its terminals are in phase and the incident power is completely dissipated If V and I are the rms voltage and current across a resistor of value R , then by Ohm’s law V = RI The power dissipated P is given by (1.3) 6 Lumped Elements for RF and Microwave Circuits P = VI = RI 2 = V2 R (1.4) 1.4 Basic Design of Lumped Elements Lumped elements at RF and microwave frequencies... distributed elements fabricated in microstrip or coplanar waveguide (CPW) At RF and the low end of the microwave band, the use of lumped elements makes the chip size significantly smaller without affecting the RF performance, increases the number of chips per wafer, and gives improved visual and RF yields All of these factors can reduce chip costs drastically Another advantage of using lumped elements in RF and. .. Transformers Equivalent Circuit Representation Equivalent Circuit of a Practical Transformer Wideband Impedance Matching Transformers Types of Transformers 318 318 319 322 323 325 326 329 11.2 Wire-Wrapped Transformers 11.2.1 Tapped Coil Transformers 11.2.2 Bond Wire Transformer 329 329 332 11.3 332 Transmission-Line Transformers xiv Lumped Elements for RF and Microwave Circuits 11.4 Ferrite Transformers... Gupta, K C., ‘ Lumped Elements for MICs,’’ Microwave Integrated Circuits, K C Gupta and A Singh, (Eds.), New Delhi, India: Wiley Eastern, 1974, Chap 6 [11] Gupta, K C., Microwaves, New Delhi: Wiley Eastern, 1979, Chap 11 [12] Gupta, K C., R Garg, and R Chadha, Computer-Aided Design of Microwave Circuits, Dedham, MA: Artech House, 1981, Chap 7 14 Lumped Elements for RF and Microwave Circuits [13] Pengelly,... 461 462 463 465 xvi Lumped Elements for RF and Microwave Circuits Appendix 469 About the Author 471 Index 473 Preface During the last decade, stimulated by unprecedented growth in the wireless communication application, outstanding progress has been made in the development of low-cost solutions for front-end RF and microwave systems Lumped elements such as inductors, capacitors, and resistors have played... wavelength and when interturn capacitance can be ignored In the coupled-line approach, an inductor is analyzed using multiconductor coupled microstrip lines This 10 Lumped Elements for RF and Microwave Circuits technique predicts the spiral inductor’s performance reasonably well for two turns and up to about 18 GHz An earlier theory for the interdigital capacitor was published by Alley [4], and Joshi... very suitable for handsets for mobile communication due to their ultrasmall size compared to patch antennas Depending on the frequency of operation, passive components for RF, microwave, and millimeter wave applications may be realized using a combination of solid-state devices, lumped elements, distributed elements, and quasioptical elements Unless there is a need for special requirements for circuit... chapters The lumped elements are introduced in Chapter 1 This chapter describes the basic design of lumped elements and their modeling, fabrication, and applications Chapter 2 deals with basics of inductors It provides basic definitions, inductor configurations, inductor models, coupling between inductors, and electrical representations xvii xviii Lumped Elements for RF and Microwave Circuits The printed . alt="" Lumped Elements for RF and Microwave Circuits For a listing of recent titles in the Artech House Microwave Library, turn to the back of this book. Lumped Elements for RF and Microwave Circuits Inder. Introduction 1 1.1 History of Lumped Elements 1 1.2 Why Use Lumped Elements for RF and Microwave Circuits? 2 1.3 L, C, R Circuit Elements 4 1.4 Basic Design of Lumped Elements 6 1.4.1 Capacitor. Publication Data Bahl, I. J. (Inder Jit) Lumped elements for RF and microwave circuits. — (Artech House microwave library) 1. Radio circuits 2. Microwave circuits I. Title 621.3’8412 ISBN 1-58053-309-4 Cover