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Why impedance matching is needed for tuned amplifier? 

Impedance matching
Electrical impedance
Impedance bridging
Microstrip
Image impedance

Answers from top 9 papers

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Papers (9)Insight
Open access•Journal Article•DOI
Comprehensive Analysis and Measurement of Frequency-Tuned and Impedance-Tuned Wireless Non-Radiative Power Transfer Systems
Jason D. Heebl, Erin M. Thomas, Robert P. Penno, Anthony Grbic 
14 Jan 2014-arXiv: Other Computer Science
15 Citations
The frequency-tuned system is simpler to implement, while the impedance-tuned system is more complex, but can achieve higher efficiencies.
Journal Article•DOI
Wideband Frequency Tunable Concentric Circular Microstrip Patch Antenna with Simultaneous Polarization Reconfiguration
Behrouz Babakhani, Satish K. Sharma 
24 Apr 2015-IEEE Antennas and Propagation Magazine
40 Citations
Simulated and measured impedance matching and radiation pattern results show good agreement with acceptable gain over the tunable frequency bands.
Open access•Journal Article•DOI
Wireless Josephson amplifier
Anirudh Narla, Katrina Sliwa, Michael Hatridge, Shyam Shankar, Luigi Frunzio, Robert Schoelkopf, Michel Devoret 
12 Jun 2014-Applied Physics Letters
25 Citations
The simpler impedance environment presented to the amplifier also results in increased amplifier tunability.
Open access•Journal Article•DOI
Evolutional design of small antennas for passive UHF-band RFID
Hidetoshi Makimura, Yuta Watanabe, Kota Watanabe, Hajime Igarashi 
09 May 2010
15 Citations
The optimization results in desirable input impedance for impedance matching and miniaturizing.
Journal Article•DOI
Impedance Matching for Compact Multiple Antenna Systems in Random RF Fields
Shanpu Shen, Ross D. Murch 
01 Feb 2016-IEEE Transactions on Antennas and Propagation
25 Citations
Additionally, they can maintain good bandwidth indicating the effectiveness of the sparse optimal and multiport ladder impedance matching approaches.
Journal Article•DOI
Experimental Investigation of Wide-Angle Impedance Matching of Phased Array Using Overlapped Feeding Network
Run-Liang Xia, Shi-Wei Qu, Xue Bai, Qi Jiang, Shiwen Yang, Zaiping Nie 
02 Jul 2014-IEEE Antennas and Wireless Propagation Letters
11 Citations
Simulated and measured results show that the investigated method is effective to improve the impedance matching over a wide scan range compared to conventional impedance-matching techniques.
Proceedings Article•DOI
Impedance Matching in RFID Tags: to Which Impedance to Match?
V. Pillai
09 Jul 2006
30 Citations
We present guidelines for impedance matching and show that conjugate matching is not the best choice for many applications
Journal Article•DOI
The impedance-matching design and simulation on high power elctro-acoustical transducer
Yeong-Chin Chen, Sean Wu, Ping-Cheng Chen 
15 Sep 2004-Sensors and Actuators A-physical
27 Citations
This approach actually develops an effective method for impedance matching design and reduced the time for trial and error.
Proceedings Article•DOI
Improved Axial-Mode-Helical-Antenna Impedance Matching Utilizing Triangular Copper Strip for 2.4-GHz WLAN
V. Wongpaibool
15 Aug 2008
18 Citations
This, in effect, simplifies the impedance-matching process, making this technique attractive.

Related Questions

What is the difference between single tuned and double tuned amplifier?5 answersSingle tuned and double tuned amplifiers differ in their ability to achieve impedance matching and maximize bandwidth. Single tuned amplifiers, as described by Glover et al., use a simpler bilinear diode model and are effective in predicting loss and matching conditions for a range of local-oscillator drive conditions. However, they may fail to accurately predict performance under certain operating conditions, such as when using d.c. bias voltages approaching the peak local-oscillator voltage. On the other hand, double tuned amplifiers, as discussed by Lopez, provide more than double the fractional bandwidth of single tuned amplifiers and are a practical solution for achieving near-maximum bandwidth for narrowband and moderate-band antennas. The relationships developed by Wheelerfor double-tuned impedance matching are a valuable tool for antenna designers. In summary, while single tuned amplifiers are simpler and can provide accurate predictions in certain conditions, double tuned amplifiers offer greater bandwidth and are more suitable for specific antenna design requirements.
How do you reduce the instability in tuned amplifier?10 answers
How to improve bandwidth of tuned amplifier?10 answers
What are the types of tuned amplifiers?7 answers
What is difference between audio amplifier and tuned amplifier?9 answers
What is fine tuning in sound amplifier?6 answers

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