| Moving-coil cartridges put out barely a millivolt, and getting that to line level without noise is hard. This preamp revives an old John Lin...
| Moving-coil cartridges put out barely a millivolt, and getting that to line level without noise is hard. This preamp revives an old John Lin...
| Discover the Elektor Zener Diode Tester Kit, a DIY bench instrument for testing Zener diodes, LEDs, and semiconductor devices up to 54 V.
| Three transformer stages switch in automatically, so the pass transistor only ever drops the minimum. A Power-MOS rectifier and voltage doub...