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Best transistor to use for audio amplifier - Electrical ...
https://electronics.stackexchange.com/questions/97827/best-transistor-to-use-for-audio-amplifier#:~:text=Input%20transistors%20should%20be%20low%20noise.%20BJT%20tend,have%20better%20noise%20performance%20with%20high%20Z%20inputs.
Low noise transistors | Nexperia
https://www.nexperia.com/products/bipolar-transistors/special-feature-transistors/low-noise-transistors/
Low noise transistors - Minimizing noise in audio and sensing systems Noise is a critical factor in many applications, especially those involving audio or sensing operations. To keep transistor noise to a minimum in your design, look no further than our low noise devices - we're certainly not keeping quiet about their quality performance and small packages.
ultra-low noise transistors. - diyAudio
https://www.diyaudio.com/community/threads/ultra-low-noise-transistors.17285/
But... by now, the lowest noise single transistor I found is the 2SK170 and 2SJ74, reaching the 0,95nV/sqrt (Hz), the same as dual ultra low noise LM394, SSM2210... BJTs. With one LM394 I could obtain 0,65nV/sqrt (hZ), but there must be any single transistor doing the same as two. Also avaibility of SSM220 and LM394 is bad (are they discontinued?
Search results for: low noise Transistors – Mouser
https://www.mouser.com/c/semiconductors/discrete-semiconductors/transistors/?q=low%20noise
Bipolar Transistors - BJT Low Noise,Matched Dual NPN Transistor Enlarge Mfr. Part # SSM2212RZ. Mouser Part # 584-SSM2212RZ. Analog Devices: Bipolar Transistors - BJT Low Noise,Matched Dual NPN Transistor. Learn More. Datasheet. 31 In Stock. 3,326 On Order View Dates. Alternative Packaging ...
NTE2696 Silicon NPN Transistor Low Noise Audio Amplifier ...
https://www.nteinc.com/specs/2600to2699/pdf/nte2696.pdf
Silicon NPN Transistor Low Noise Audio Amplifier TO−92 Type Package (Compl to NTE234) Description: The NTE2696 is a silicon NPN transistor in a TO−92 type package designed for use in low frequency and low noise applications. The function of this device is to lower the noise figure in the region of low
Ultra low noise amplifiers - Dicks-website
http://dicks-website.eu/low_noise_amp_part3/part3.html
Lowest noise BJT transistor? - diyAudio
https://www.diyaudio.com/community/threads/lowest-noise-bjt-transistor.222485/
For extremely low voltage noise, the Philips/NXP BFW16A used to be a good choice because of its low base resistance, but it is out of production. You could try a more modern low-noise wideband transistor, such as the BFU760F (RB=3.32 ohm according to its Spice model). It will be difficult to keep it stable due to its high transition frequency. S
Diramics | Ultra Low Noise Transistors
Proven low noise transistor technology used by ESA in their ground stations for >10 years. We offer customizable ultra low noise performance pHEMTS. Hybrid ultra low noise amplifiers by Yebes using the pH-100 technology.
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.
Best sounding transistors - High-End Audio Discussion Forum
https://forum.audiogon.com/discussions/best-sounding-transistors
Generally speaking, a FET type transistor (like JFET or MOSFET) will typically have more of a warm/rich character. FET transistor are usually not precise and require a resistor or pot to balance for DC offset (when used in an input stage). A bipolar transistor will, typically, sound more clean and will generally have lower distortion.
Ultra low noise amplifiers - JanasCard
http://www.janascard.cz/PDF/Design%20of%20ultra%20low%20noise%20amplifiers.pdf
Amplifiers with bipolar transistor offer very low noise but have also some drawbacks – low input impedance and high input current noise, so they are suitable especially for signal sources with low output impedance, typically below 1 kOhm. If high input impedance or very low input noise current is necessary, an input stage with
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