Die in a submicron technology (500x, 1000x, 2000x, 5000x)
Notch Filter (500x, 1000x, 2000x)
12bit A/D Convertor (details, 2000x)
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SC Filter (500x, Core 1000x, Amplifiers 2000x, Capacitors&Switches 2000x)

Courtesy Dusan Vecera, Michalis Sidiropulos, Zdenek Barton, Petr Simek. Page by Vladimir Kolarik.