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How to use old CD player as amplifier? 

Linear amplifier
Power-added efficiency
Direct-coupled amplifier
Amplifier
RF power amplifier

Answers from top 20 papers

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Papers (20)Insight
Proceedings Article•DOI
A 0.1 - 50 GHz SiGe HBT distributed amplifier employing constant-k m-derived sections
J. Aguirre, Calvin Plett 
08 Jun 2003
This amplifier is suitable for use in communication systems.
Journal Article•DOI
High‐Efficiency CMOS Power Amplifier Using Uneven Bias for Wireless LAN Application
Nam-Sik Ryu, Jae Ho Jung, Young-Chae Jeong 
01 Dec 2012-Etri Journal
14 Citations
As a result, the amplifier can improve the efficiency and reduce the quiescent current.
Proceedings Article•DOI
Holographic element for CD pickup-to-play DVD
Guoliang Huang, Longfa Pan, Duanyi Xu, Jing Pei, Huibo Jia 
20 Sep 1996-Proceedings of SPIE
DVD player with the holographic element is characteristic of compensating the main optical error met in the common CD player well.
Journal Article•DOI
High-gain 150-215-GHz MMIC amplifier with integral waveguide transitions
S. Weinreb, Todd Gaier, Michael E. Barsky, Y.C. Leong, Lorene Samoska 
01 Jul 1999-IEEE Microwave and Guided Wave Letters
95 Citations
This is the first amplifier operating above 140 GHz with sufficient gain to be useful as a single-chip amplifier and demonstrates the practicality of MMIC-based systems in this frequency range for use in radiometry, compact radars, and communication systems.
Proceedings Article•DOI
A low-power method adding continuous variable gain to amplifiers
Thomas Halvorsrød, O. Birkenes, C. Eichrodt 
23 May 2005
Any high performance, fixed gain amplifier can adopt the proposed method without deteriorating the performance of the core amplifier.
Open access•Journal Article•DOI
Dual-function remotely-pumped Erbium-doped fiber amplifier: Loss and dispersion compensator.
A. W. Naji, Mohd Shahnan Zainal Abidin, Mohammed Hayder Al-Mansoori, Md. Zaini Jamaludin, Mohamad Khazani Abdullah, S.J. Iqbal, Mohd Adzir Mahdi 
04 Sep 2006-Optics Express
16 Citations
The integrated function of loss and dispersion compensator in single black box is an attractive solution to be used as pre-amplifier.
Journal Article•DOI
Three Chip ICS Set Including Advanced Pre-Amplifier with Built-in Photo Detector for CD Players
Kazuo Denshi Shohin K Hirasawa, Ken Onishi, Takashi Itoh, Toru Kuwabara, Hiroshi Kanno, Kiyomitsu Nishimura, Daisuke Shichinohe 
01 Aug 1986-IEEE Transactions on Consumer Electronics
In the CD system, the small disc size and subcode informations make the system very convenient, but the CD player requires more complex circuitry than analog record players.
Proceedings Article•DOI
Correlation techniques for estimation of amplifier nonlinearity
M.Y. Li, Ian Galton, Lawrence E. Larson, Peter M. Asbeck 
19 Sep 2004
The proposed method can be employed in the background during amplifier operation to estimate amplifier nonlinearity with IS-95 forward-link CDMA signals.
Open access•Proceedings Article•DOI
Variable-load constant efficiency power amplifier for mobile communications applications
G. Leuzzi, C. Micheli 
01 Oct 2003
21 Citations
This amplifier minimises power consumption for variable output power applications, as required in mobile communications systems.
Proceedings Article•DOI
A 48 fJ/CS, 74 dB SNDR, 87 dB SFDR, 85 dB THD, 30 MS/s pipelined ADC using hybrid dynamic amplifier
Hariprasath Venkatram, Taehwan Oh, Kazuki Sobue, Koichi Hamashita, Un-Ku Moon 
10 Jun 2014
A hybrid dynamic amplifier is proposed which combines the desirable features of a dynamic amplifier and a class AB amplifier.
Proceedings Article•DOI
A pipelined SAR ADC reusing the comparator as residue amplifier
Miguel Gandara, Wenjuan Guo, Xiyuan Tang, Long Chen, Yeonam Yoon, Nan Sun 
01 Apr 2017
14 Citations
The proposed amplifier utilizes positive feedback to achieve a large gain at high speed, which can be difficult to achieve with other dynamic amplifier topologies.
Proceedings Article•DOI
Volterra series based modeling and compensation of nonlinearities in high power amplifiers
M. Tummla, M.T. Donovan, B.E. Watkins, R. North 
21 Apr 1997
31 Citations
The nonlinear distortion which results when an amplifier is operated near saturation may preclude their use.
Journal Article•DOI
Adhesion of Human Hematopoietic Progenitor Cells to Bone-Marrow-Derived Stromal Cells Is Enhanced by Antibodies to CD44
Robert A.J. Oostendorp, Elisabeth Spitzer, Peter Dörmer 
01 Jan 1996-Acta Haematologica
16 Citations
Furthermore, the findings support a role for CD44 as an amplifier in progenitor-BMSC interactions.
Journal Article•DOI
Push-Pull Class- ${\rm E}_{\rm M}$ Power Amplifier for Low Harmonic-Contents and High Output-Power Applications
Xiuqin Wei, Shingo Kuroiwa, Tomoharu Nagashima, Marian K. Kazimierczuk, Hiroo Sekiya 
10 Feb 2012-IEEE Transactions on Circuits and Systems I-regular Papers
11 Citations
By applying the push-pull configuration of the class-EM power amplifier, the proposed amplifier achieves an extremely lower total harmonic distortion (THD) and about four times higher output power than the conventional single class-EM power amplifier.
Proceedings Article•DOI
A low power constant-Gm rail-to-rail operational transconductance amplifier by recycling current
Xiao Zhao, Huajun Fang, Jun Xu 
29 Dec 2011
The proposed amplifier has the benefit of delivering the same performance while consuming a fraction of the power compared to the conventional rail-to-rail amplifier.
Proceedings Article•DOI
Voice-controlled CD feed forward robot
Hou-Tsan Lee, Ming-Chiuan Shiu, Chin-Yi Lin, Ming-Huei Lin, Yu-Yao Luo, Sin-Ya Chen 
21 Oct 2008
By a proper arrangement of microphone, microprocessor, actuators and mechanism structure, the chosen CD can be delivered from original CD plate to CD player.
Journal Article•DOI
Pulsed Load Modulation (PLM) Technique for Efficient Power Amplification
Jinseong Jeong, Yuanxun Wang 
17 Oct 2008-IEEE Transactions on Circuits and Systems Ii-express Briefs
20 Citations
The proposed technique allows the power amplifier (PA) to maintain maximum efficiency until the output power of the amplifier is backed off by 6 dB.
Proceedings Article•DOI
An independently controllable AM/AM and AM/PM predistortion linearizer for cdma2000 multicarrier applications
Chan-Wang Park, F. Beauregard, G. Carangelo, Fadhel M. Ghannouchi 
19 Aug 2001
20 Citations
By applying this predistortion amplifier to the main amplifier in a feed forward amplifier system, ACPR performance of the entire feed forward amplifier for a cdma2000 multicarrier environment will be improved.
Journal Article•DOI
High Capability Error Correction LSI for CD Player and CD Rom
Takao Arai, Hiroo Okamoto, Nishimura Keizou, Masaharu Kobayashi, Takeshi Takeuchi 
01 Aug 1984-IEEE Transactions on Consumer Electronics
On the other hand, the CD player have been given attention as a data file system, which provides a lower cost, more capacity and reliability than a conventional data file such as floppy disc system and so on.
Proceedings Article•DOI
Design of compact and high-efficiency power supply and power amplifier for parametric array transducer
Jin-Young Kim, Seung-Soo Choi, In-Dong Kim, Wonkyu Moon 
01 Nov 2015
To overcome the above-mentioned disadvantages of the conventional amplifier, this paper proposes a new power amplifier and also its power supply.

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