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Preamplifier ICs from THAT Corporation
http://thatcorp.com/THAT_Low_Noise_Preamplifier_ICs.shtml#:~:text=Audio%20Preamplifier%20Selector%20%20%20%20%20,dBu%20-126.5%20dBu%20%205%20more%20rows%20
Low Noise Audio Preamplifier Circuit - ElectroSchematics.com
https://www.electroschematics.com/low-noise-preamplifier/
Low Noise Audio Preamplifier Circuit. A preamplifier circuit with a very low noise characteristic can be built by simply combining a FET transistor with a bipolar one. The input impedance of the preamp circuit is almost the same as the gate impedance of the FET transistor (around 1MΩ) The output impedance at the other end is about 1KΩ.
60 dB Low Noise Audio Amplifier - jensign.com
https://www.jensign.com/60dBLowNoiseAudioAmplifier/index.html
Nov 05, 2020. The circuit below is a low noise low distortion 60 dB (Av=1000) gain block that can be used as an audio preamplifier for very low signal or noise measurements. A high performance LM4562NA dual op-amp is used. Each half of the op-amp uses a different circuit to demonstrate different usage. (The circuit could be easily duplicated in each half of the dual circuit for stereo …
1583 Low Noise Audio Preamp IC - THAT | Mouser
https://www.mouser.com/new/that-corporation/that-1583-audio-preamp/
THAT 1583 Low Noise Audio Preamp IC is a versatile, high-performance current-feedback amplifier suitable for differential microphone preamplifier and bus summing applications. This device improves on previous, traditional current feedback designs by offering a more versatile configuration that can yield lower noise at low gains, lower distortion overall, …
Preamplifier ICs from THAT Corporation
http://thatcorp.com/THAT_Low_Noise_Preamplifier_ICs.shtml
JFE150 Ultra-Low-Noise Pre-Amp
https://www.ti.com/lit/pdf/slpa018
JFE150 Ultra-Low-Noise Pre-Amp Chris Featherstone Precision Amps ABSTRACT Many engineers face the challenge of amplifying small signals produced by sensors with high source impedance in a low-noise circuit. Amplifier circuit design for sensor applications such as …
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