More about oscillator (542)

1-07-1984 | july/august 1984 . . . uses LEDs We present a new game that might be described as a sort of electronic one-armed bandit. The good news is, h...

1-07-1984 | with just six transistors To the best of our knowlegde this is the simplest FM radio that can be made. Not only that but it also works quite...

1-07-1984 | can also be used in the 2 m amateur band Many enthusiasts would be in- terested in listening to what goes on in the v.h.f. air band of 108 ....

1-07-1984 | switches itself on (and off) This circuit forms a switch that can be triggered on (or off) at the onset of darkness and remain active for a...

1-07-1984 | for keeping nasty rodents at bay Most of us will agree that rats and mice are generally not the most welcome visitors to our homes. At the s...

1-07-1984 | july/august 1984 A for short-wave receivers Many short-wave listeners often wish their receiver could be extended above 30 MHz. The converte...

1-07-1984 | for frequencies up to 10 MHz When using fast CPUs it can still be a problem to generate a good clock signal. By "good" we mean that it must...

1-07-1984 | with high stability The Wien bridge oscillator is a com- monly used circuit, which is not sur- prising considering that it has low distortio...

1-07-1984 | for battery-operated equipment The low-power switching regulator type 4193, which is housed in an 8-pin miniature DIL package, is designed s...

1-07-1984 | variations on an old theme Although we would not like to make a habit of it, going back to an old design when new components become availabl...