| And then suddenly it arrived – Spring 2020. Despite the corona crisis and lockdown measures, spring will not be contained, and just as well....
All items tagged with Circuit and oscillator (20)
| Nowadays you can buy these things ready-made for a mere trifle – but here you can see how this was done in the past...
| Simply forgot to water it – and then you can wave goodbye to that expensive bonsai. A pity about all the work that went into it… But this dr...
| Long ago, before semiconductors became run-of-the-mill, a small neon lamp and a capacitor were used to generate a sawtooth…
| Legions of dog whistles are available from pet shops and by mail order. But with only a few parts you can easily build one that yourself!
| After the previous episodes about (ancient) radio techniques, we now return to a very house and garden, or more specifically, kitchen circui...
| Many (beginning) electronics enthusiasts shy away from building radio receiver projects – frequencies are too high, capacitor black magic, s...
| Analog circuits have had their day; everything is digital now. Here we present a simple digital amplifier built with standard CMOS logic gat...
| In microcontroller circuits quartz crystals provide the highest accuracy for keeping everything on frequency. With frequency and time measur...
| The TDA1572 integrated AM receiver circuit performs all the active functions and part of the filtering required of an AM radio receiver. It...