More about circuit (744)

1-07-1990 | This circuit provides the perfect solution in all those cases where you are stuck for a clock generator, yet have one ordinary logic gate l...

1-07-1990 | The Type U450B integrated circuit from Telefunken is a tone sequence generator for applications in toys and electronic household utensils...

1-07-1990 | Any switch or key in a digital circuit may cause problems because mechanical contacts bounce up and down a few times before they close. N...

1-07-1990 | With circuit values as shown, this charger allows up to seven series-connected NiCd batteries to be charged. This number may be increased...

1-07-1990 | Sine wave oscillators normally generate near-perfeet sine waves, but the stability of their output signal is often not very good. The circui...

1-07-1990 | Siemens' Type PID20 is a passive infra-red detector that transforms heat radiation into electrical pulses. Adding two opamps and some mis...

1-07-1990 | The "High-predston DLF-based locked frequency reference" we published in the April 1989 issue (p. 48), derived its stability from the Deu...

1-07-1990 | This circuit enables the automatie on/off switching of mains-powered equipment after a master unit has been switched on or off. One parti...

1-07-1990 | This little circuit provides both a visual and an audible indicaticn that a message has been left. CMOS inverters Iela and IClb form a t...

1-06-1990 | The multi-purpose MIDI controller described here is based on a microcontroller and a special MIDI keyboard processor, the E510. The circui...