| The opto-coupler in the normal com- mon emitter circuit at the output of a phototransistor is invariably too slow for use in data communicat...
| The opto-coupler in the normal com- mon emitter circuit at the output of a phototransistor is invariably too slow for use in data communicat...
| RLC meter elektor february 1985 to quickly identify unknown resistors, inductors and capacitors If we were to make a list of equipment for a...
| dynamic pre-amplifier elektor october 1984 The design incorporates a few special characteristics that make it a little more than just anothe...
| with moving-coil instrument An LC meter is undoubtedly in- dispensable to anyone involved in h.f. techniques. The present design accepts the...
| mating logic families elektor february 1984 Connecting digital ICs within the same logic family will rarely cause any problems, as long as s...
| capacitance meter . . elektor february 1984 Capacitors are used mainly as blocking, smoothing, or decoupling elements, and The two printed-c...
| new high-speed CMOS logic elektor september 1983 LSTTL speed with CMOS current consumption Speed is not magic, but it has its price: fast lo...
| elektor july/august 1983 capacitance meter In this capacitance m eter, the value of a capacitor is determined by giving it the same charge a...
| portable egg timer Packing a rucksack to go camping always poses problems. Either you pack everything exept the kitchen sink and stagger und...
| The performance of varicaps is im- proved when the voltage across them is increased. Besides better inter- modulation rejection, a 30 V circ...