This integrated amplifier was found in a non-existent British magazine from 1975. The used integrated circuit is still popular and the mono bridged version can provide 36 W output power. 4 A.
For reference only, this is the second IF amplifier stage of a common transistor radio from the...
Analog Devices AD7768 24-bit sigma-delta (Σ-Δ) ADCs include an Σ-Δ modulator and digital filter...
This setting appears on this site from other sources. This is from an 80's American documentation,...