| The proposed mains power supply is a versatile unit for use where a stable voltage, medium power and good parameters are required. The qu...
| The proposed mains power supply is a versatile unit for use where a stable voltage, medium power and good parameters are required. The qu...
| For the many readers who do not need hundreds of watts output from their audio hi-fi installation here is a modest 60-watt a.f. amplifier...
| The LM3915 from National Semicanductor contains virtually everything for making a simple, yet reliable, audio power meter with a bar-type...