During the 1980s a lot of consumer devices suddenly got a lot smaller as large-scale integration using semiconductor technology took off. This included radios, with Philips’ TDA7000 FM radio receiver ...

The project was based on the KA22429 that is equivalent to a TDA7021 to create a small and cheap FM receiver. The microchip used in this circuit came from the family Philips TDA7000. Two application ...