DC751A-H, Demo Board Using LTC2233IUK 10-bit, 80-Msps, high speed, high dynamic range analog to digital converter. Depending on the required resolution, sample rate and input frequency, the DC751 is supplied with the appropriate A/D and with an optimized input circuit. The circuitry on the analog inputs is optimized for analog input frequencies below 100 MHz or between 100 MHz to 250 MHz. for Higher operating frequencies