More about circuit (738)

1-07-1977 | Because of their low cost, high input resist- ance, good noise immunity and wide supply voltage range CMOS logic circuits `lend t...

1-07-1977 | The 74121 IC is a monostable multivibrator, the pulse length of which may be varied from 40 ns to 40 s. An external RC-network...

1-07-1977 | More than l 00 circuits in one issue. Complete units, extension circuits, design ideas, tips. The recipe is quite simple: I • Dream up...

1-07-1977 | Mains frequency is often used as a reference for digital clocks and other digital circuits. Unfortunately problems can arise...

1-09-1976 | When driving in a very light rain one finds that the wipers have to be continually switched on and off to remove the small quantity of w...

1-07-1976 | Tired of the same old doorbell? Here`s a new twist: an electronic doorbell that sings like a bird. In the circuit the doorbell transfo...

1-07-1975 | This simple circuit will find many applications as a battery eliminator for low power Iequirements. It consists of a transformer, a brid...

1-07-1975 | The circuit described is one more addition to the variety of warning signals intended mainly for use in cars. It causes a warning signal...