Amplifier for voltage reference (CB9009E)

Found in American documentation from the 1980s, this circuit applies to modern operational amplifiers. The circuit has offset adjustment.

Simple FM transmitter (CB8728E)
Found in 90s Radio Electronics, this small transmitter has a good range. L1 is formed by 3 + 3...
ADXL35x Accelerometers
April 2017 - The ADXL35x line of Analog Devices accelerometers can now be obtained from Mouser...
Low resistance adapter (CB7390E)
Found in a Hands On Electronics from the 80's this circuit allows the reading of low resistances in...