This circuit with RIAA equalization is from 1985 US documentation. The circuit has a flat response of 150 Hz to 40 kHz. The power supply must be symmetrical.
This driver for audio signals using the TAA435 integrated circuit was found in Philips 1968...
This circuit was found in the used integrated circuit manufacturer's manual. The table beside the...
This circuit produces a loud audio tone by a small loudspeaker. Power supply voltage ranges from 5...