Sigma delta class d audio power amplifier in CMOS technology

... Supply Voltage Quiescent Circuit Current SYMBOL TEST CONDITIONS VCC ICC VIN=0 Stereo Closed Loop Voltage Gain Bridge Channel Balance DIP-8 SOP-8 Output Power( Stereo) DIP-8 SOP-8 Output Power (Bridge) ... CIRCUIT ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER Supply Voltage Output Peak Current SYMBOL VCC IO(peak) RATINGS UNIT 15 V A DIP-8 1.0 Power Dissipation PD W SOP-8 0.5 Operatin...

Ngày tải lên: 12/09/2013, 10:00

... đa transistor công suất không xảy công suất ngõ vào tối đa hay công suất ngõ tối đa Công suất tiêu tán tối đa điện hai đầu tải là: 9. 4 DẠNG MẠCH CÔNG SUẤT LOẠI B: 9. 4.1 Mạch công suất push-pull ... Trong mạch khuếch đại công suất sau đây: Tính công suất vào, công suất công suất tiêu phí transistor 2 Tính công suất hiệu suất mạch tín hiệu...

Ngày tải lên: 07/11/2013, 04:15

... Performance Testing of Permanent Links and Channels There are distinct areas of cable testing; Certification, Qualification and Verification Certification is the most rigorous of all cable testing ... America) Field Performance Testing V15 060508 Page of 11 Passive Testing With Hand-Held Field Testers There are currently three levels of hand-held field tes...

Ngày tải lên: 12/12/2013, 12:15

Ngày tải lên: 24/03/2014, 09:20

... Advanced Techniques in RF Power Amplifier Design For a listing of recent titles in the Artech House Microwave Library, turn to the back of this book Advanced Techniques in RF Power Amplifier ... analyzing how things work, and developing a priori methods for xiv Advanced Techniques in RF Power Amplifier Design designing them It is not a step-by-step gu...

Ngày tải lên: 18/04/2014, 11:11

... solid-state power amplifier design The first aim of this text is to fill that need, by providing a detailed guide to the many design decisions that must be taken when a power amplifier is designed ... least the calculations in-between will be correct Audio Power Amplifier Design Handbook The principles of negative feedback as applied to power amplifiers are explained i...

Ngày tải lên: 18/04/2014, 12:28

... R1 5-2 2-2 9-3 0-3 3-3 4-3 7-3 8=100ohmC 4-5 - 6-7 -8 =100uF 25V R1 6-1 7-2 3-2 4=220ohm C1 1-1 3=220uF 63V R2 5-2 6=22Kohm C12=220nF 250V MKT D 1-2 =15V 1.3W zener Q 1-3 - 8-9 -1 0-1 5-1 8=MPSA06 Q 2-4 - 5-6 - 7-1 9=MPSA56 Q1 1-1 3-1 4=MPSA93 ... R1=470Kohm R2=2.2Kohm R 3-2 2=22Kohm R 4-5 -2 0-2 1-2 5-2 7-3 3-3 5=100 oh...

Ngày tải lên: 24/04/2014, 00:01

... Audio Power Amplifier Design Handbook This book is dedicated to Julie, without whom it would not have happened Audio Power Amplifier Design Handbook Fifth Edition Douglas ... Library Cataloguing-in-Publication Data Self, Douglas Audio power amplifier design handbook – 5th ed Audio amplifiers Design Power amplifiers Design I Title 621.3’81535—dc22 Library of Congress C...

Ngày tải lên: 29/05/2014, 14:21

... al.: Multistage Quadrature Sigma-Delta Modulators for Reconfigurable Multi-Band Analog-Digital Interface in Cognitive Radio Devices EURASIP Journal on Wireless Communications and Networking 2011 ... discussed in more detail in Section In the following subsections, multi-band and multistage principles will be presented These are important concepts, considering...

Ngày tải lên: 20/06/2014, 22:20

... San Francisco, Calif, USA, February 2002 J Koh, K Muhammad, B Staszewski, G Gomez, and B Horoun, A sigma-delta ADC with a built -in anti-aliasing filter for Bluetooth receiver in 13 0nm digital ... ADC helps distributing the AGC function between the ADC and the intermediate frequency SIGMA-DELTA ADC DESIGN FIR antialiasing filter and decimation The diagram...

Ngày tải lên: 22/06/2014, 22:20

... that by using the full-rate demodulator, approximately an SNR gain of 15 dB could be obtained FPGA IMPLEMENTATION OF KALMAN LOWPASS FILTER To get insight into hardware implementation of Kalman ... pk is the output of the modulator in Figure 1(b), and qk is obtained by integrating pk Taking the quantization noise variance σ = 1/12, and using the initial conditions shown...

Ngày tải lên: 22/06/2014, 23:20

... between demapping block and the OFDM demodulator as shown in Figure In this structure, the pilot driven 1-tap LMS algorithm is employed in order to obtain a fast response In the OFDM modulation ... ,i is the saturation input power and avg ,i is the average input power of the TWTA Figure shows the Saleh model (a typical HPA) written in SIMULINK Figure gives the AM/AM and...

Ngày tải lên: 22/07/2014, 02:20

... WORK FUNCTION AND PROCESS INTEGRATION ISSUES OF METAL GATE MATERIALS IN CMOS TECHNOLOGY REN CHI B Sci (Peking University, P R China) 2002 A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... metal gate materials Dual metal gate integration issues for advanced CMOS devices are also discussed in this thesis A novel dual metal gate in...

Ngày tải lên: 14/09/2015, 17:53

... suggestions for future work Chapter Sigma Delta Modulator – An Overview In this chapter, the basic concepts involved in analog-to-digital conversion and in a Sigma- Delta modulator has an ADC are looked ... translation, channel filtering, and quadrature demodulation are done in DSP This ADC should have a high dynamic range, high linearity and large bandwidth at RF fre...

Ngày tải lên: 26/09/2015, 10:51

... are introduced and followed by the basic background knowledge about the class D power amplifier 2.1 Background of Audio Power Amplifier Audio power amplifier is an electronic device that produces ... the power amplifier and the specifications of building blocks are determined A single-stage 4th-order fully feedforward Sigma- Delta modulator is adopted to modulate th...

Ngày tải lên: 16/10/2015, 15:38