Do you have the desire to change any audio signal, and transform it into an amazing visual display? This also a simple device, you just plug it into the wall, then insert the ¼” jack, turn it on, and enjoy the pleasure moment.
If you do, then this will keep you busy for a while.
The material [...]
For most of the small aircraft aviator, they might have the difficulty in the landing radio altimeter (the standard 4.3 GHz radio-altimeter). Therefore, the new design will improve the recently accuracy and altitude coordination.
As we know, most of the current made radio-altimeter only limited to a few feet, and this will increase the frequency of [...]
This circuit was a winner in Electronics Today International in 1987. Solid state oscilloscope is really simple and small size. Even it can be powered from tested circuit. Actually it has low frequency range (up to 500Hz) and low resolution (100LED matrix display).
Despite its poor parameters, circuit can be fun to experiment with cheap [...]
This is a broad band field sensing probe that has about 15cm length antenna. It is capable to detect radio energy and drive millivolt level signals to the input of digital volt meter.
This circuit was used to test 4MHz, 35 MHz, 55 MHz, 100 MHz, 384 MHz, 900 MHz, a cell phone, and a microwave [...]
