Weekly PULSE Issue
Jennifer Zhao – GM of System Management Products at NXP
Member Blog Posts: amplifier, stereo
-
Low-Noise Microphone Amplifier (OP270E)
Posted Apr 22, 2013 By Extreme CircuitsThe signal from a microphone is two weak for a standard line input. This low-noise DC-coupled microphone amplifier provides a solution for anyone who…
Comments(0) -
Dual Input-Combining Stereo Line Amplifier
Posted Apr 22, 2013 By Extreme CircuitsThis circuit takes two separate line-level stereo (L & R) signals and combines them into one stereo (L & R) output, thus avoiding the need to switch…
Comments(0) -
Compact High-Performance 12V 20W Stereo Amplifier
Posted Apr 22, 2013 By Extreme CircuitsAmplifiers which run from 12V DC generally don’t put out much power and they are usually not hifi as well. But this little stereo amplifier ticks…
Comments(1) -
22W Stereo Amplifier Using TDA1554
Posted Apr 21, 2013 By Extreme CircuitsHere is the 22 watt stereo audio power amplifier circuit diagram based on TDA1554 and integrated circuit from NXP semiconductors (formerly PHILIPS…
Comments(0) -
18W + 18W Stereo Hi-Fi Audio Amplifier (TDA2030)
Posted Apr 19, 2013 By Extreme Circuits2 × 18W Hi-Fi Stereo Power Amplifier based around two TDA2030 ICs. It has good input sensitivity, low distortion, good operating stability and full…
Comments(0) -
Low Cost 2x20 Watt Stereo Amplifier by TDA2005
Posted Apr 18, 2013 By Extreme CircuitsThis circuit is a small stereo amplifier for all suitable applications like amplifying small speakers, boxing, etc. It is also suitable for car use…
Comments(0) -
Stereo Headphone Amplifier
Posted Apr 18, 2013 By Extreme CircuitsPortable and small unit, Can be built on a veroboard
Firstly, I’d like to stress that the intended use of this circuit is only one of many…
Comments(0) -
Reference Design: Simple Wireless Bluetooth Stereo Audio System
Posted Nov 20, 2012 By MaximSimple Wireless Bluetooth Stereo Audio System for Outdoor Use
A similar version of this article appeared in the May 10, 2012 issue of…
Comments(0) -
High End Stereo Amplifier Known as MiniTron
Posted Feb 08, 2012 By Circuit ProjectsThe MiniTron amplifier is a high end vacuum tube stereo amplifier that uses a dsPIC30F2023 to control the efficiency, distortion, and power…
Comments(0) -
Vacuum Tube Stereo Amplifier
Posted Feb 02, 2012 By Circuit ProjectsThe circuit uses the functionality of vacuum tubes to create a stereo amplifier that may be used to amply signals coming from different…
Comments(0) -
Micro-Amplifier Based on LM4780
Posted Jan 26, 2012 By Circuit ProjectsThe project was based on LM4780 IC which is a 60W stereo power amplifier in order to produce the micro-amplifier.
Two boxes comprise the…
Comments(0) -
3 Watt HI-FI Stereo Amplifier
Posted Jan 25, 2012 By Circuit ProjectsTr1 and Tr2 transistors functions as direct coupled voltage amplifiers. R6 resistor, D1 and D2 diodes determine the standby current of…
Comments(0) -
20 Watt Stereo Audio Power Amplifier by LM1875
Posted Jan 24, 2012 By Circuit ProjectsHere is a reliably high sound quality audio power amplifier project based on the National Semiconductor’s LM1875 IC. The circuit that we…
Comments(0)
