Low-Noise Audio Preamp


Posted on Sep 12, 2012

A low-noise LT1115 (Linear Technology, Inc.) op amp is coupled to a class-A buffer amplifier to produce a variable g


Low-Noise Audio Preamp
Click here to download the full size of the above Circuit.

ain (12-to-50 dB) microphone preamp. THD is less than 0.01% from 80 Hz to over 20 kHz. The transformers must be properly grounded and shielded.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

PCBoardMaker3
Electronic Switch ON-OFF
Universal-battery-charger
Stereo Tone Control using LM1036
Mixed-Circuits
Alarm Control Electronic Keypad Project
Using voice switch circuit relay lighting
Mains under voltage voltage protection circuit
KD-1001 produced by lantern controller



Top