| Many readers may judge that the subheading is rather simple. Just take a calculator and choose a number, then press the 1/X key and the resu...
| Many readers may judge that the subheading is rather simple. Just take a calculator and choose a number, then press the 1/X key and the resu...
| 7-38 — elektor july/august 1982 This time base circuit is built using normal readily available CMOS ICs and a cheap crystal. The operation...
| H The analogue brother of this IC is our old friend, the 555. The digital version here, the LS 7210, is less well-known. It can be used to...
| The performance of varicaps is im- proved when the voltage across them is increased. Besides better inter- modulation rejection, a 30 V circ...
| 7-42 — elektor july/august 1982 D1 1N4148 1. R1 R3 1N4148 N1 ... N4 = IC1 = 4011 A = from master oscillator B = to top octave generator 82...
| This voltage controlled oscillator (VCO) is capable of providing a triangular as well as a squarewave output signal. As with any other VCO,...
| 7-48 - elektor july/august 1982 "And we don"t mean graphic equaliser". An oscillator operating along similar lines to an equaliser. In the c...
| A descriptive and constructional article for an SSB receiver was published in the June issue of Elektor. The intention was to encourage read...
| 7-62 - elektor july/august 1982 The number of applications for this circuit is enormous, ranging from a level control for hydro cultures to...
| X. 1 30 MHz 30 p series resonance 82608 5V a stable time base The time base shown here uses a crystal for series resonance. This method achi...