More about simple (309)

1-10-1988 | 60 EE October 1988 Vin max. 20 V +5,7v ,40V f 10 nF 2 10 nF IC1 " 74 LS 00 TDB 7805 T BAW 76 UmI Uout nv lil • 10 pF I BAW 22 pFT I BAS 70...

1-07-1988 | 00 While experimenting with electronic circuits, it will often be necessary to rap- idly test bipolar transistors and FETs before they are f...

1-07-1988 | This circuit shows that a preamplifier for magneto-dynamic cartridges can be relatively simple without seriously com- promising compliance t...

1-07-1987 | 1 R3 This design answers the need for an inexpensive, yet good quality, preamplifier equipped with a tone control section. Fig. 1 shows the...

1-07-1987 | 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...

1-07-1986 | simple NiCd charger 1701 Dry batteries have one major disad- vantage: they go flat. Rechargeable types, such as NiCd cells, also suffer from...

1-07-1985 | The inverter must be connected before the TV modulator in the ZX81. Switch S1enables bypassing of the inverter when inversion of the picture...

1-07-1985 | A practically proven small circuit that is very popular with many model fliers, as it enables them to verify that their remote control trans...

1-07-1985 | 4111110.004N g simple zero crossing detector Zero crossing detectors are often con- tained in rather complex circuits, or they are part of a...

1-03-1985 | 19 kHz precision calibrator elektor march 1985 a simple test- instrument calibration aid 19 kHz precision calibrator Test instruments are es...