| Those of you who study advertise- ments will have noticed that minia- ture crystals for watches are much cheaper nowadays. These crystals ar...
| Those of you who study advertise- ments will have noticed that minia- ture crystals for watches are much cheaper nowadays. These crystals ar...
| 7-72 elektor july/august 1980 SI 12 03 0310 13 04 IC4 04 74LS175 9 4 Di 01 5O202 2D217 12D303 5V® HEXA DEC. Keyboard DI mim P.STROBE STROBE...
| 77 Switching power supplies have a number of advantages over the more conventional types. Less heat dissi- pation and a greater efficiency l...
| 7-74 elektor july/august 1980 This simple little circuit will find a great many uses where pulse width is critical. Opamp Al is connected as...
| Has the postman been yet or isn"t there any mail today? This question is asked daily by millions of people. As a rule, the answer is to go t...
| 80 Normally, a centre-tapped trans- former and a bridge rectifier is used to construct a symmetrical power supply. This seems such a natural...
| —us E RFNT MI RROR CAN., , CAV ABSOLUTE VALUE 2 uwaingsnium SINEW 3 10 SQUARER DIVIDFR • iilhammorm sc°^4s One IC and a single capacito...
| 7-76 elektor july/august 1980 82 The running light circuit described here is by no means the first (or the last) to be published by Elektor,...
| 83 This circuit will generate an output pulse whenever the input voltage drops by more than 0.6 volt. Oper- ation of the circuit is very sim...
| Connecting peripheral equipment to computers is all very well provided the signal levels are compatible. This is not always the case and oft...