opamp

There are many ways to do this, one is to use a darlington transistor like my 1-watt amplifier, and another way is to use an opamp like my post on the CMOY pocket amplifier, but the best way is to use an LM386 chip.

Boing Boing: December 18, 2005 - December 24, 2005 Archives 2005

By keeping jitter under control, upsampling to a non-multiple of 44. 1Khz, and doing all digital processing in 24 bits at a high interpolated sample rate, and sending the analog output to one of the best opamp combos available in non-esoteric audiophile equipment, this source creates a warm, round, detailed and smooth analog waveform.

kevynwight Diary Entry kevynwight 2005

A PICAXE-28×1 replaces the quad opamp from the previous version.

QJ.NET 2010

Di lang naman dapat opamp ang bantayan, tamang mga diode at transitor at schem

TALK @ PhilMusic.com - The Online Home of the Pinoy Musician 2010

I used 3 opamps and left the terminals of the 4th opamp open.

CR4 - Recent Forum Threads and Blog Entries arunbhaskar 2010

My reasoning for doing this was that the opamp version had a bug that would mean that as each led would decrease in brightness as the level rose.

QJ.NET 2010

To get the quality of color and detail you want out of a 2Ghz opamp you need get the mains clean.

AVForums.com geisemann 2010

If your Radioshack has the the little books by Forrest Mimms pick up the one on opamp cicuits.

MAKE Magazine 2009

The sound character of the instrument owes alot to the opamp constructed filter and the punchy envelopes, imo.

EM411.com 2009

A push-pull driver using a OP275 dual opamp is used to drive a pair of 5902 output tubes for each channel.

MAKE Magazine 2009