An analog integrated circuit is disclosed using integrated field effect transistor technology comprising a plurality of sampling and storage cells. A two-stage sampling cell design is used. The first stage incorporates a very small capacitor coupled to the input signal through a high speed gate. This...http://www.google.com/patents/US4922452?utm_source=gb-gplus-sharePatent US4922452 - 10 Gigasample/sec two-stage analog storage integrated circuit for transient digitizing and imaging oscillography
