Magnetic-phono-preamplifier


Posted on Feb 19, 2013

This simple stereo amplifier uses a National LM3871C. The pin numbers in parentheses are for one channel, and those not in parentheses are for the other channel. The supply voltage can be +9 to +30 Vdc at about 10 mA. The output voltage swing is about Vee-2 V pk-pk.


Magnetic-phono-preamplifier
Click here to download the full size of the above Circuit.

The preamp should be able to deliver at least 5 V.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

6 Amp Solar Power Center
Color organ
Led display digital Voltmeter
tan timer schematics
geiger circuit
Timed Beepers
Display Text on an HD44780 LCD with an Arduino
Car active subwoofer
Telephone relay circuit
Car or room timer alarm circuit diagram



Top