NXP Semiconductors.

2 x 12 W hi-fi audio power amplifiers with mute

Unisonic Technologies

DUAL LOW VOLTAGE POWER AMPLIFIER

STMicroelectronics

8W CAR RADIO AUDIO AMPLIFIER

Philips Electronics

Quasi-split-sound circuit

STMicroelectronics

TDA2003A, TDA2003AV, TDA2003AH / 10W CAR RADIO AUDIO AMPLIFIER

STMicroelectronics

6 + 6W STEREO AMPLIFIER

Philips Electronics

SYNCHRONIZATION CIRCUIT WITH VERTICAL OSCILLATOR AND DRIVER STAGES

Unisonic Technologies

10 +10W STEREO AMPLIFIER

STMicroelectronics

STEREO AMPLIFIER

Philips Electronics

CONTROL CIRCUIT FOR POWER SUPPLIES

STMicroelectronics

10 + 10W STEREO AMPLIFIER FOR CAR RADIO

STMicroelectronics

STEREO AUDIO AMPLIFIER

Philips Electronics

COLOUR DEMODULATOR COMBINATION

STMicroelectronics

10 + 10 W stereo amplifier for car radio