Miller (Effect) Time
While the Miller effect might sound like fun, it is actually the effect of parasitic capacitance in amplifiers. What do you do about it? Watch the video below the break …read more Continue reading Miller (Effect) Time
Category Archives: amplifier
Hi-Fi Combines Best of 60s and 90s Technology
The 90s were a dark time for audio equipment, literally and figuratively. Essentially the only redeeming quality from the decade of nondescript black plastic boxes was the low cost. Compared …read more Continue reading Hi-Fi Combines Best of 60s and 90s Technology
Otters Deliver a High Power Stationary Audio Experience
Our favorite raft of otters is back at it again with another display of open source audio prowess as they bring us the OtterCastAmp, the newest member of the OtterCast …read more Continue reading Otters Deliver a High Power Stationary Audio Experience
Fender Mustang Micro Review: 12 guitar amps in your pocket
As a beginning electric guitarist, I’m well aware that the best gift I can give my family is often the gift of silence. The sense of general relief around the house has been palpable since Fender’s Mustang Micro headphone amp arrived, and while I consi… Continue reading Fender Mustang Micro Review: 12 guitar amps in your pocket
Signal Conditioning Hack Chat this Wednesday
Join us on Wednesday, February 17 at noon Pacific for the Signal Conditioning Hack Chat with Jonathan Foote!
The real world is a messy place, because very little in it stays in a static state for very long. Things are …read more
Continue reading Signal Conditioning Hack Chat this Wednesday
It Costs WHAT?! A Sounding Into Hearing Aids
We are accustomed to medical devices being expensive, but sometimes the costs seem to far exceed reasonable expectations. At its most simplistic, a hearing aid should just be a battery, microphone, amplifier, and speaker, all wrapped in an enclosure, right? …read more
Continue reading It Costs WHAT?! A Sounding Into Hearing Aids
Circuit VR: Even More Op Amps
In the last Circuit VR we looked at some basic op amp circuits in a simulator, including the non-inverting amplifier. Sometimes you want an amplifier that inverts the signal. That is a 5V input results in a -5V output (or …read more
Plant Communication Hack Chat
Join us on Wednesday, January 13th at noon Pacific for the Plant Communication Hack Chat with Lex Kravitz!
As far as conversation goes, plants are usually a pretty poor choice of partners. Sure, we’ve all heard that talking to you houseplants is supposed to be good for them, but expecting …read more
FM Radio from Scratch using an Arduino
Building radio receivers from scratch is still a popular project since it can be done largely with off-the-shelf discrete components and a wire long enough for the bands that the radio will receive. That’s good enough for AM radio, anyway, but you’ll need to try this DIY FM receiver if …read more
SDR Transmitting Gets the Power
Most hobby-grade software defined radio setups don’t transmit. Of the few that do, most of them put out anemic levels around one milliwatt or so. If you want to do something outside of the lab, you’ll need an amplifier and that’s what [Tech Minds] shows how to do in a …read more