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Are BJT best for audio output transistors? why? | diyAudio
https://www.diyaudio.com/community/threads/are-bjt-best-for-audio-output-transistors-why.379958/
#1 As title. The ideal transistor for amplifying signal should be high input impedance and able to output enough current with least distortion to drive speaker. MOSFETs have high input impedance and should be capable to drive in high power. But why people keep saying BJTs are best for output transistor in class AB? PRR Member 2003-06-12 7:04 pm
Best transistor to use for audio amplifier - Electrical ...
https://electronics.stackexchange.com/questions/97827/best-transistor-to-use-for-audio-amplifier
Input transistors should be low noise. 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.
EETimes - Discrete audio amplifier basics - Part 1 ...
https://www.eetimes.com/discrete-audio-amplifier-basics-part-1-bipolar-junction-transistor-circuits/
Unlike a thermionic valve, the active area of a BJT is very small, in the range of 0.5 mm for a small signal device to 4 mm or more for a power transistor.
2N3904 (BJT) Bipolar Junction Transistor - Datasheet …
https://netsonic.fi/en/2n3904-bjt-bipolar-junction-transistor-datasheet-and-pinout/
2N3904 is a widely used bipolar junction transistor. It is used for general purpose low power switching or amplifying applications. It is designed for low power and current, moderately high speeds and medium voltage. It has a maximum collector current of 200mA and can therefore be used to drive loads under 200mA.
BJT audio amplifier - CircuitLab
https://www.circuitlab.com/circuit/6syafk/bjt-audio-amplifier/
BJT audio amplifier PUBLIC Summary A one-transistor amplifier, intended to amplify audio picked up by a piezoelectric transducer. Link & Share Copy and paste the appropriate tags to share. CircuitLab Circuit URL (e-mail, IM, …
BC107 Transistor: Pinout, Equivalent and Datasheet
https://www.utmel.com/components/bc107-transistor-pinout-equivalent-and-datasheet?id=583
Transistors - Bipolar (BJT) - Single STMICROELECTRONICS BC107Bipolar (BJT) Single Transistor, NPN, 45 V, 300 mW, 100 mA, 120 Hi, fellas. Welcome back to the new post today. BC107 is a low-power NPN bipolar junction transistor, which is packaged in a TO-18 metal can.
Search results for: low noise Bipolar Transistors - BJT ...
https://www.mouser.com/c/semiconductors/discrete-semiconductors/transistors/bipolar-transistors-bjt/?q=low%20noise
Mouser Part #. 771-BC850CW-T/R. Nexperia. Bipolar Transistors - BJT TRANS LOW NOISE TAPE-7. Datasheet. 11,724 In Stock. 75,000 On Order.
Discrete Semiconductor Products | Transistors - Bipolar ...
https://www.digikey.com/en/products/filter/transistors-bipolar-bjt-arrays/277
C1815 NPN Transistor: Pinout, Equivalents, and Uses
https://www.utmel.com/components/c1815-npn-transistor-pinout-equivalents-and-uses?id=356
C1815 Description. Also known as 2SC1815, the C1815 is a bipolar junction NPN transistor widely used in commercial and educational projects. It is designed for audio frequency amplification and high-frequency oscillator (OSC). The collector-base voltage of the C1815 is 50V, hence it can be easily used in circuits using under 50V DC.
bJT as an amplifier Project | Transistor Amplifier | Mini ...
https://techatronic.com/transistor-amplifier-circuit-using-bc547-transistors/
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 up the output audio.
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