| The tracer is intended for detecting spurious electro-magnetic Interference (EMI), particularly at frequencies above 30MHz.
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| This simple circuit acts as frequeney multiplier whieh converts any sloped input waveform into a distorted output waveform whose frequen...
| When voltages are measured, it is not always necessary to find the exact value Often, it is sufficient to check whether a potential lies...
| I 50 W a.f. amplifier Although audio en thusiasts come in many sizes and colours, not many of them are prepared to spend a lot of money, tim...
| EURO PE ON THE WAY TO A STANDARD TELEPHONE CARD
| Although we would not denigrate the many photographic development and printing services (wh ich vary fram poar to fairly good), it is...
| In this article we answered your letters about our articles of the last months.
| The SAA3049 checks and converts received coded data (RECS80/RC5) into latched binary outputs. The device address can be hard-wired for a...
| This circuit allows you to accurately measure the capacity of a rechargeable battery by discharging it at a constant current until the deep...
| This monitor is used by the author to guard the microprocessor in his PC. The temperature sensor is a resistor, Rq, with negative temper...