| Circuits which use photosensitive devices such as LDRs, photodiodes or photo- transistors to sense rapid changes in light l...
| Circuits which use photosensitive devices such as LDRs, photodiodes or photo- transistors to sense rapid changes in light l...
| Circuits which use photosensitive devices such as LDRs, photodiodes or photo- transistors to sense rapid changes in light l...
| This sawtooth waveform generator which is built round a current controlled oscillator is distinguished by its large sweep range....
| This sawtooth waveform generator which is built round a current controlled oscillator is distinguished by its large sweep range....
| Electric motors up to around a quarter horsepower can often be picked up very cheaply (ex-domestic appliances). They are...
| The usual method of measuring the har- monic distortion of an audio amplifier is to feed it with an extremely pure sine w...
| The usual method of measuring the har- monic distortion of an audio amplifier is to feed it with an extremely pure sine w...
| Many motorised car aerials are not fully automatic in operation but are provided with a manual dashboard switch. Thls has...
| Many motorised car aerials are not fully automatic in operation but are provided with a manual dashboard switch. Thls has...
| This circuit offers the possibility of stereo image width control from stereo, through mono, to reverse stereo. The circuit...