This circuit from a Radio Electronics from December 1974 was used in color televisions of the time. It serves as a reference for restoration work. The circuit is of the ultrasonic type.
This circuit is from an ancient American documentation. The coil is frequency dependent and the...
This circuit can operate in a 100 dB range with signals of up to 100 MHz frequencies. Similar...
Analog Devices AD7768 24-bit sigma-delta (Σ-Δ) ADCs include an Σ-Δ modulator and digital filter...