Showing posts with label Generators. Show all posts
Showing posts with label Generators. Show all posts
This circuit is a rectangular oscillator, that generates a square wave form, the circuit uses NAND logic gates, using CD4011 (contain 4 nand gates), the generated signal can be used as an audio alarm (by connecting a speaker directly to the output), or amplified and used as an inverter...
The enable input should be (+V) so that the circuit oscillates, if it's low, the output will remain at High (+V), If you do not need a controlled input, you can connect the two inputs of the two gates together and remove the connection between the first and the second gate. (like the picture)
This may simplify the wiring.
Caution: the common point of the resistors and the capacitor is not grounded.
Thanks
This simple circuit generates stable square
wave at differents frequencies, using from 3v to 12v cells as power supply.
An useful feature of this circuit is that the frequency can be changed by changing a capacitor value, a switch can be add to choose between various frequencies.
Thanks
An useful feature of this circuit is that the frequency can be changed by changing a capacitor value, a switch can be add to choose between various frequencies.
Thanks
