Rocket Altimeter (CB25357E)

Today we have more compact solutions. This is from a Radio Electronics magazine from October 1990. It uses the technology of the time.

| Clique na imagem para ampliar |

Sensors with Piezoelectric Coaxial Cables (ART337bE)
An interesting type of sensor for specific applications is the sensor formed by piezoelectric...
HeNe LASER power supply (CB9444E)
This circuit is from Radio Electronics from the 90s. It supplies a voltage between 800 V and 2 000...
Doppler Alarm (CB11609E)
This circuit was obtained in a 1989 publication and is quite simple to assemble, but critical in...