| law battery. 2 JL 125 NIV which may prove to be a little high for the 28 variable power "resistor A major difficulty encountered when testin...
Elektor Team (8188)
| W. Gscheidle The Q output of this flipflop will therefore go high to enable N3. However, although FF1 receives a clock pulse via R3, the inf...
| 1. nt of the gate to takes for the voltage level at the i pu 1 at _ the equation; At+ = —R1 X C1 X UT+ In (1 — ---) adjustable square Th...
| 7-32 — elektor July/august 1981 K. Kirk silent disco deck switch amounts to a few me transformer. The transformer output voltage needs to...
| MEM and fed to pin 8 of IC1. Preset potentiometer can then be used to set the output level while P2 adjusts the frequency of the second gong...
| 7-34 — elektor July/august 1981 simple shor3 The detector is able to cope with relatively strong input signals, as it is an infinite imped...
| C. Voss digital keyboard At first sight, this circuit looks rather complicated. It is a keyboard encoder, and it performs the following func...
| 7.36 eiektor juiy/sugust 1981 35 input buffers for the logic analyser The input buffers described here give the logic analyser (Elektors 71,...
| um. devices. In this case, potentiometer P2 can be used to set the trigger level. Finally, it is also possible to use the circuit as a pream...
| 7-38 — elektor July/august 1981 37 digital sinewave oscillator An assortment of digital sinewave generator circuits have found their way i...