Elektor Team (9533)

1-01-1978 | Using only one IC and a few discrete components it is possible to construct a peak programme meter drive circuit that will provide a logar...

1-01-1978 | Various meters based on the Siemens UAA 170 LED voltmeter IC have previously been featured in Elektor (issue 12, April 1976 and issue...

1-01-1978 | This, the third article in the SC/MP series, introduces the memory extension card, which, in addition to containing¾ k of RAM and ½ k of...

1-01-1978 | Parts 4 and 5, October and November 1977. In Part 4, R I in the input adder circuit (figure 7) is shown as I 00 k. This...

1-01-1978 | In the article on the Elektor equaliser (see elsewhere in this issue) it was noted that third octave filters represented a more ideal sol...

1-01-1978 | The ADSR (Attack-Decay-Sustain-Release) shaper described in this article can be used to control the VCA and VCF to impart a wide range...

1-01-1978 | A function generator is a versatile and extremely useful device, which provides the constructor with a simple and efficient means of test...

1-01-1978 | An extra feature to their elec-tronic digital door lock is intro-duced by A.R.C. Europe Ltd - an integral card or key reader unit. In its ba...

1-01-1978 | Wherever possible in Elektor circuits, transis-tors and diodes are simply marked `TUP` (Transistor, Universal PNP), `TUN` (Transi...

1-12-1977 | A single-bit microprocessor which executes Boolean logic operations and which can be used as an inexpensive sequence timer and controller...