| Having built a battery-powered valve headphone amplifier I discovered that the battery was often fully drained due to forgetting to switch i...
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| An audio amplifier can be part of the electronics lab too. This design for an audio test amplifier features three channels that can be used...
| Once again, the battery of the battery operated tube headphone amplifier was empty because Elektor author James Glyn forgot to switch it off...
| Having built a battery-powered valve headphone amplifier, I discovered that the battery was often fully drained due to forgetting to switch...
| While a PC’s ‘line’ input generally offers acceptable characteristics, ‘mic’ inputs typically have only mediocre noise and distortion levels...
| In my younger days I built what is known as an ‘0V2’ valve receiver. Fueled by nostalgia for the pre-transistor era I decided to build anoth...
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| Because the ESR meter is essentially a low ohmage (or resistance) meter, it can check shorting between tracks, particularly if a schematic o...
| This is a submission from Keysight. Vanchip Technologies has selected their 5G test solutions to accelerate performance validation of their...
| Infineon's MERUS Class-D Audio Amplifier ICs incorporate comprehensive protection mechanisms to ensure high reliability and operational stab...
| No worries, it's happened to everyone: you switch on an electrical device and the mains fuse blows. In most cases, that does not mean the eq...