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BJT audio amplifier - CircuitLab
https://www.circuitlab.com/circuit/6syafk/bjt-audio-amplifier/
BJT audio amplifier PUBLIC. Created by: Circuit Lab (CircuitLab) Created: November 13, 2011: Last modified: June 07, 2017: Tags: amplifier …
Best BJT for audio applications | diyAudio
https://www.diyaudio.com/community/threads/best-bjt-for-audio-applications.141310/
2009-03-28 12:16 am. #2. There is no one best of anything. There are lots and lots of good BJTs that are good in various circumstances depending on the combination of voltage, speed, gain, noise etc. you want. Personally, I like BC550/560 for general purpose use. They have low noise and are cheap. Get ones in the 'C' gain group if you can.
transistors - Help with a multistage NPN BJT audio ...
https://electronics.stackexchange.com/questions/546943/help-with-a-multistage-npn-bjt-audio-amplifier
transistors circuit-analysis amplifier audio bjt. Share. Cite. Follow edited Feb 7 '21 at 18:33. winny. 8,056 6 6 gold badges 32 32 silver badges 49 49 bronze badges. asked Feb 6 '21 at 20:14. shahrOZe shahrOZe. 37 6 6 bronze badges \$\endgroup\$ 12. 2
EETimes - Discrete audio amplifier basics - Part 1 ...
https://www.eetimes.com/discrete-audio-amplifier-basics-part-1-bipolar-junction-transistor-circuits/
Discrete audio amplifier basics – Part 1: Bipolar junction transistor circuits. By John Linsley Hood 03.10.2010 1. Solid-state device technologies, which are available to the amplifier designer, fall, broadly, into three categories: bipolar junction transistors (BJTs) and junction diodes; junction field effect transistors (FETs); and ...
BJT Audio Amp Design | All About Circuits
https://forum.allaboutcircuits.com/threads/bjt-audio-amp-design.109649/
Hello, I am designing an audio amplifier using BJT's and I was hoping for some advice before I buy components and put it on a board. My requirements are as follows: Voltage Gain: Av = 50; Input Impedance > 70 KΩ. Output Impedance < 8Ω. Available power supplies are voltage regulated +12V and –12V. fL=20Hz fH=20KHz.
bJT as an amplifier Project | Transistor Amplifier | Mini ...
https://techatronic.com/transistor-amplifier-circuit-using-bc547-transistors/
In this project, we will make an audio amplifier. A transistor amplifier is used to amplify the low input audio signals. We can take the low input signals from the audio jack of smartphones or PCs and convert them into high-quality amplified output signals which are given to an external speaker. An external power supply is also needed to boost ...
BJT AUDIO AMPLIFIER CIRCUIT(ANALOG …
https://www.youtube.com/watch?v=Y0QtQjiNp7s
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BJT as an Amplifier - The Engineering Knowledge
https://www.theengineeringknowledge.com/bjt-as-an-amplifier/
In today’s tutorial, we will have a look at BJT as an Amplifier. A transistor is an electronic component that has three terminals. Terminals are base-emitter, collector and base. It used in different electronic projects and circuits for switching and amplification process. Amplification is process through which weak input signal is amplified ...
Best transistor to use for audio amplifier - Electrical ...
https://electronics.stackexchange.com/questions/97827/best-transistor-to-use-for-audio-amplifier
BJT tend to be lower noise if the correct source impedance (for op amps you can look this up in the datasheet by looking at voltage noise / current noise which for NE5534A at 30Hz is ~5.5/0.0015 = 3k7). JFET has super low current noise so they will tend to have better noise performance with high Z inputs.
Bipolar Transistor (BJT) Configurations
https://makingcircuits.com/blog/bipolar-transistor-bjt-configurations/
Bipolar Transistor Configurations. With 3 terminals assigned to a BJT or a bipolar transistor, it becomes possible for us to configure these devices in 3 unique ways in a circuit depending on the application requirement. In each of these configurations we have one input option, one output option, where the emitter acts like a common terminals ...
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