Ton Giesberts (354)

| Following publication of the SUPRA 2.0 high-end phono preamplifier project in Elektor edition 4/2016, many audio enthusiasts asked us whethe...

| Originally designed as a more compact power supply for our 10-MHz DDS Function Generator the board described in this article can double for...

| What do you think of a T-board with a small power amplifier and preferably also with a built-in speaker, so that you can make any audio sign...

| The control portion of the VariLab power supply uses a microcontroller to set the desired output voltage and current and to measure all sign...

| As far as microcontrollers and some of their owners go the analog world out there first needs digitizing before it can be understood. This m...

| No electronics lab is complete without a solid power supply. It has to be reliable, and must do exactly what you want without causing any pr...

| Good news for all audio enthusiasts: we are proud to present yet another all-analog circuit developed entirely in house. Despite the simple...

| The goal of this project is to allow standard AA size rechargeable batteries, like NiMH, to effectively charge portable devices like smartph...

| This simple circuit is designed for use with all kinds of DC motors up to 40 amps. Basically it’s just a simple oscillator driving a bunch o...

PREMIUM

| It all started with the Measurement Filter for Class D (100540-1) published in issue 415, July/August 2011. It was designed to handle large...