The debate still goes on as to which are better, valves or transistors. We don’t intend to get involved in that argument here. But if you can’t make your mind up, you should try out this simple ...

In Seemingly Simple Circuits: Transresistance Amplifier, Part 1– Approximating Op-Amps, the op-amp was approximated from a single-pole, finite gain amplifier to an infinite-gain, single-pole op-amp, ...

Hi guys,<BR><BR>I don't really have a traditional home theatre setup. I want to beef up my capabilities a bit, and modernize the gear.<BR><BR><B>The Old Shit</B><BR>At the moment I have one ...

Make a portable audio simple amplifier. Homemade amplifier for speakers First cracks emerge in US-China trade truce The 9 biggest wastes of money at the grocery store U.S. economy is experiencing ...

Add articles to your saved list and come back to them any time. A $25 USB stick holds more data than 23,000 3.5-inch floppy discs; maybe you knew that. Mobile phones have more computing power than the ...

Andy recommends favorite resources for basic op amp circuits and includes a portion of TI's AN-20. Test your knowledge with our op amp quiz; answer explanations are included. By 1969, a fledgling ...

In a signal-conditioning op-amp application, is there an optimum circuit topology for optimizing SNR and SFDR? Here’s a succinct analysis, part mathematical, part simulation, and part cookbook, from ...

It was a cold January Saturday night in Chicago and we had big plans. Buddy Guy’s Legends bar was packed. We setup directly under one of the PA speakers less than 15′ from the stage. Time to celebrate ...

Sometimes I wish FETs had become practical before bipolar transistors. A FET is a lot more like a tube and amplifies voltages. Bipolar transistors amplify current and that makes them a bit harder to ...

Most of smartphones have been removed the 3.5mm earphone jack because of the USB Type-C. Facing this problem, those general users will choose to get a USB Type-C to 3.5mm earphone jack adapter, or a ...