This 4-waveband converter circuit was found in Radio Craft September 1948. The power supply is not given, but the supply voltages are indicated.
Analog Devices AD7768 24-bit sigma-delta (Σ-Δ) ADCs include an Σ-Δ modulator and digital filter...
Found in a 1966 General Electric manual, this circuit provides a delay in starting. The motor is...
Found in a 300 Circuits from the 90s, this circuit can deliver a maximum current of 50 mA. The...