This is a Simple IF signal generator circuit using CMOS IC CD4011 as oscillator -CD4040 as divider and crystal-3.579 MHz into output AM: frequency 455 KHz
More circuits about oscillator, pulse, frequency , and others.
This is a ham radio transceiver Ham radio transceiver RF indicator circuit that small and easy to build. Use diode,transistor drive LED display 2 status
The CCD camera sensor is device that have very useful. This project has small size. But quality is a lot good. We can install with Television easily
This is FM receiver circuit using sex transistors that very small size and cheap, The trimer capacitor To control the frequency from 87MHz to 108 MHz.