Synthesis is still performed by a custom IC, but now it’s using the more common Epson S1V30120 text-to-speech chip. The Talker/80 also has an ATmega644, which connects to the TRS-80’s ...

At the heart of the Crescendo platform is a high-density voltage-regulator IC in a thermally enhanced package that’s only about a millimeter tall. The challenge, he explained, is figuring out ...