Found in RCA documentation from the 1970s, this circuit uses currently unusual integrated circuits. The circuit is of the experimental type not tuned.
Found in American documentation, this circuit can make use of modern equivalent transistors. The...
We found this circuit in Radio Electronics magazine from October 1966. The circuit uses a 15 V...
Analog Devices AD7768 24-bit sigma-delta (Σ-Δ) ADCs include an Σ-Δ modulator and digital filter...