Deal Of The Week 2021 (Mainheader) - EN

Alfred Rosenkränzer (45)

Members Only​

| Back in 2024, we introduced a high-quality variable-frequency audio notch filter. Now, we present a high-performance audio frequency generat...

Members Only​

| In most cases, connecting peripherals to a PC is not a problem. The fact that a USB stick, for example, has the same ground potential as a l...

Members Only​

| Connecting peripherals like USB sticks to a PC is usually straightforward since they share the same ground potential. However, USB-connected...

Members Only​

| The available range of operational amplifiers is extremely diverse. Usually, the initial selection for a specific purpose is based on techni...

Members Only​

| The available range of opamps is vast. After selecting based on technical specs, further testing may be needed. Try this do-it-yourself opam...

Members Only​

| When measuring distortion in audio devices, it makes sense to filter out the controlling sinusoidal signal before the spectrum analyzer. Thi...

Members Only​

| Audio measuring devices usually have an input level range in which they work optimally and generate only little harmonic distortion themselv...

Members Only​

| The first article in this series presented a simple passive attenuator whose stages can be set using a jumper. Such a solution is well-suite...

Members Only​

| A high-quality sine wave signal at 1 kHz is essential for measurements on audio electronics. Digital equipment still does not quite come clo...

| If frequencies and/or times have to be recorded in complex measurement setups and the results have to be related to each other accurately an...