| Battery testers are used to give a decisive answer concerning the condition of a battery. The voltage level is normally used as an indicatio...
| Battery testers are used to give a decisive answer concerning the condition of a battery. The voltage level is normally used as an indicatio...
| 7-64 - elektor july/august 1982 To many adults it is suprising how much pleasure that the youngest members of the house can derive the phant...
| CMOS switch Schmitt trigger It is generally accepted that a CMOS analogue switch (type 4066) can only be used as an electronic substitute fo...
| The term voltage controlled filter (VCF) frequently crops up in connection with synthesisers. As its name suggests, a VCF is a filter that i...
| 7-66 - elektor july/august 1982 Out of the enormous variety of ICs produced today, the number that are designed for use in one specific appl...
| This circuit produces a logarithmic sweep output by digital means and has been designed for use with the voltage controlled waveform generat...
| car lock defroster You"re cold and in a hurry, and your car door won"t unlock .. . a well- known hazard to drivers in winter! "Forewarned is...
| This LED field strength meter can be connected to FM receivers in which the CA3189E IC is used in the IF stage. An example is the FM, IF sta...
| Appendix 3 of the Junior Computer Book 3 shows that the system vector data can be called from the standard EPROM with a busboard memory with...
| 7-70 - elektor july/august 1982 RTTY stands for radio teletype, during which data is transferred in various codes, one of the most im- porta...