![Contek](/logo/Contek.png)
Contek Microelectronics
DUAL LOW VOLTAGE POWER AMPLIFIER
![ST-Microelectronics](/logo/ST-Microelectronics.png)
STMicroelectronics
6 + 6W STEREO AMPLIFIER
![Philips](/logo/Philips.png)
Philips Electronics
Dual TV sound demodulator circuits
![ST-Microelectronics](/logo/ST-Microelectronics.png)
STMicroelectronics
PREAMPLIFIER FOR INFRARED REMOTE CONTROL SYSTEMS
![Philips](/logo/Philips.png)
Philips Electronics
CONTROL CIRCUIT FOR POWER SUPPLIES
![UTC](/logo/UTC.png)
Unisonic Technologies
32W HI-FI AUDIO POWER AMPLIFIER
![Philips](/logo/Philips.png)
Philips Electronics
COLOUR DEMODULATOR COMBINATION
![NSC](/logo/NSC.png)
National ->Texas Instruments
COLOR DEMODULATION COMBINATIONS