Multiplexer Design to Minimize Gamma Loading to Higher Frequency Filters

被引:0
|
作者
Wang, Yiliu [1 ]
Komatsu, Tomoya [1 ]
Wu, Nan [1 ]
机构
[1] Skyworks Solut Inc, Irvine, CA 92617 USA
关键词
multiplexer; resonator; filter; gamma loading; CA; surface acoustic wave (SAW); bulk acoustic wave (BAW); acoustic; FEM;
D O I
10.1109/IC-MAM60575.2024.10539023
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
With 5G development and employment, Carrier Aggregation (CA) is a must-have in radio frequency (RF) front end modules (FEM), as this enables higher data transfer rate with wider operation bandwidth. To support CA, multiple filters need to be ganged together at input. Therefore, they will be loading to each other and degrading insertion loss (IL) in each filter. This paper describes some general design techniques to reduce the loading. We show a triplexer design case study, where the lowest frequency filter topology and matching impacts on the whole triplexer performance are discussed.
引用
收藏
页码:97 / 100
页数:4
相关论文
共 50 条
  • [31] THE DESIGN OF FREQUENCY SAMPLING FILTERS BY THE METHOD OF LAGRANGE MULTIPLIERS
    STUBBERUD, PA
    LEONDES, CT
    IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-ANALOG AND DIGITAL SIGNAL PROCESSING, 1993, 40 (01): : 51 - 54
  • [32] Analytical design of zero frequency notch fir filters
    Zahradnik, Pavel
    Vlcek, Miroslav
    PROCEEDINGS OF THE NINTH IASTED INTERNATIONAL CONFERENCE ON SIGNAL AND IMAGE PROCESSING, 2007, : 69 - +
  • [33] Higher order Σ-Δ modulation encoding for design of multiplierless FIR filters
    Chen, CL
    Willson, AN
    ELECTRONICS LETTERS, 1998, 34 (24) : 2298 - 2300
  • [34] The design of bandpass filters considering frequency dependence of inverters
    Hwang, HY
    Yun, SW
    MICROWAVE JOURNAL, 2002, 45 (09) : 154 - +
  • [35] Frequency Transformation Methods for Planar Multiband Filters Design
    Liu, Shaochang
    Wu, Yi
    Fourn, Erwan
    Feng, Feng
    Zhang, Qi-Jun
    IEEE MICROWAVE MAGAZINE, 2025, 26 (02) : 47 - 58
  • [36] On the design of Lp IIR filters with arbitrary frequency response
    Vargas, RA
    Burrus, CS
    2001 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS I-VI, PROCEEDINGS: VOL I: SPEECH PROCESSING 1; VOL II: SPEECH PROCESSING 2 IND TECHNOL TRACK DESIGN & IMPLEMENTATION OF SIGNAL PROCESSING SYSTEMS NEURALNETWORKS FOR SIGNAL PROCESSING; VOL III: IMAGE & MULTIDIMENSIONAL SIGNAL PROCESSING MULTIMEDIA SIGNAL PROCESSING - VOL IV: SIGNAL PROCESSING FOR COMMUNICATIONS; VOL V: SIGNAL PROCESSING EDUCATION SENSOR ARRAY & MULTICHANNEL SIGNAL PROCESSING AUDIO & ELECTROACOUSTICS; VOL VI: SIGNAL PROCESSING THEORY & METHODS STUDENT FORUM, 2001, : 3829 - 3832
  • [37] WLS design of variable frequency response FIR filters
    Tarczynski, A
    Cain, GD
    Hermanowicz, E
    Rojewski, M
    ISCAS '97 - PROCEEDINGS OF 1997 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS I - IV: CIRCUITS AND SYSTEMS IN THE INFORMATION AGE, 1997, : 2244 - 2247
  • [38] Design and Analysis of higher order fractional step Butterworth filters
    Khanna, Tanya
    Upadhyay, Dharmendra K.
    2015 INTERNATIONAL CONFERENCE ON SOFT COMPUTING TECHNIQUES AND IMPLEMENTATIONS (ICSCTI), 2015,
  • [39] Design Considerations for high pass frequency passive filters
    Sainz, N
    Cendoya, I
    Alvarado, U
    Solar, H
    de Nó, J
    VLSI Circuits and Systems II, Pts 1 and 2, 2005, 5837 : 550 - 558
  • [40] Chebyshev Design of a Class Of FIR Filters With Frequency EquationConstraints
    Xiaoping Lai
    Circuits, Systems and Signal Processing, 2002, 21 : 181 - 193