Amplifier
Class D: Audio amplifier ascendancy
Last month, an interesting Class AB audio amplifier was in the spotlight, a monoblock-configured pair of which I’m actually listening to (Widespread Panic’s Light Fuse Get Away, to be precise) as I type these follow-on words: This time, it’s Class D’s turn in the spotlight. Here’s a summary link to EDN’s voluminous coverage of the…
A temperature-compensated, calibration-free anti-log amplifier
The typical anti-log circuit The basic anti-log amplifier looks like the familiar circuit of Figure 1. Figure 1 The typical anti-log circuit has uncertainties related to the reverse current, Is, and is sensitive to temperature. Wow the engineering world with your unique design: Design Ideas Submission Guide The approximate equation for V0 given in Figure…
Seeing inside entry-level audiophile desire: Monoprice’s Liquid Spark Headphone Amplifier
My audio gear Back in July 2019, I told you about the combo of Massdrop’s x Grace Design Standard DAC: and its companion Massdrop Objective 2 Headphone Amp: Desktop Edition (Massdrop is now just Drop, by the way, and is now owned by Corsair): that I’d recently acquired for listening to computer-sourced audio over headphones…