Ultra Low Noise Audio Transistor

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ultra-low noise transistors. - diyAudio

https://www.diyaudio.com/community/threads/ultra-low-noise-transistors.17285/

If you are looking for ultra low voltage noise (2 ohm base resistance), BFG16A (SOT223A) or BFQ17 (SOT89) might be interesting. Mind you, hFE is not very high and as far as I remember the 1/f corner is not particularly low, so these are not the right transistors if you want low current noise. See www.semiconductors.philips.com for more info.

Ultra Low Noise Transistors - Diramics

https://diramics.com/

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.

Ultra low noise amplifiers - Dicks-website

http://dicks-website.eu/low_noise_amp_part3/part3.html

17 rows

Ultra low noise amplifiers - JanasCard

http://www.janascard.cz/PDF/Design%20of%20ultra%20low%20noise%20amplifiers.pdf

says that the lowest noise transistors are ZTX851/ZTX951 with rbb 1.7/1.2 , another choice is ZTX(FMMT)618/718 with rbb 9.3/7.3 with higher β, and many others. [6] is an excellent source of valuable information about analogue design – I highly …

2SV888 DATASHEET - Garrettaudio

https://www.garrettaudio.com/DATA/2SV888_DATASHEET.pdf

1. Ultra Low-Noise Audio Amplifier Applications The 2SV888 is a PNP epitaxial transistor which has been optimized for use in audio applications.The ultra-low input voltage noise of the 2SV888 is typically only 0.3 dB over the entire audio bandwidth of 20 Hz to 20 kHz. Its ultra-low

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