This 1965 Philips circuit uses old company transistors like the BFY51 and BFY50. The circuit is powered by 12 V and the power gain is 8.9 dB.
Found in an old publication, this is a transmitter with a spark coil. The high frequency...
This Wheatstone bridge has a thermistor or NTC sensor, allowing the measurement of temperatures by...
The circuit we use makes use of Linear Technology's LT3080 (www.linear.com) which consists of a...