| 00 While experimenting with electronic circuits, it will often be necessary to rap- idly test bipolar transistors and FETs before they are f...
| 00 While experimenting with electronic circuits, it will often be necessary to rap- idly test bipolar transistors and FETs before they are f...
| This circuit shows that a preamplifier for magneto-dynamic cartridges can be relatively simple without seriously com- promising compliance t...
| from an idea by M Wiegers Two simple to build 4-bit digital-to-analogue converters are described here. One trans- lates a 4-bit BCD code int...
| 1 R3 This design answers the need for an inexpensive, yet good quality, preamplifier equipped with a tone control section. Fig. 1 shows the...
| simple NiCd charger 1701 Dry batteries have one major disad- vantage: they go flat. Rechargeable types, such as NiCd cells, also suffer from...
| The inverter must be connected before the TV modulator in the ZX81. Switch S1enables bypassing of the inverter when inversion of the picture...
| A practically proven small circuit that is very popular with many model fliers, as it enables them to verify that their remote control trans...
| 4111110.004N g simple zero crossing detector Zero crossing detectors are often con- tained in rather complex circuits, or they are part of a...
| 19 kHz precision calibrator elektor march 1985 a simple test- instrument calibration aid 19 kHz precision calibrator Test instruments are es...
| telephase elektor november 1984 F. Pipitone At last, here is a small unit that provides a quick, safe, and simple way of checking the presen...