RTD Temperature Meter (CB25463E)

This circuit with RTD sensor was found in the Radio Electronics magazine of April 1992. At the output we have 1 mV for each degree Celsius.

| Clique na imagem para ampliar |

Power supply circuit with separate sources (CB25186E)
This circuit uses separate sources for the power supply and the operational stage. The output...
Gate Dipper (CB13563E)
This is a MOSFET version of a grid dip meter for frequencies between 1.8 MHz and 150 MHz,...
Decibel Meter (CB24299E)
Found in the March 1974 Radio Electronics magazine, this circuit is designed to measure the level...