Agilent Technologies DC122 User Manual download pdf (Page 12)

User Manual: Agilent Acqiris 10-bit Digitizers Page 12 of 27

3. Product Description

3.1. Overview

DEMUX

256K

Acq Mem

PCI Interface

10- bit

SH + ADC

TIMEBASE

TRIGGER

circuit

Card

Controller

Thr

DAC

Input

Signal

Amplifier

Trigger

Signal

Amplifier

10-bit

PCI Bus

Signal

Input

trigger

Input

Ohms

Cal

DAC

Simplified Block Diagram

once for each channel

The 10-bit DC series products are CompactPCI/PXI compliant and require an appropriate CompactPCI crate. The

digitizers are all fully programmable over the PCI bus and deliver oscilloscope-like performance. Data captured by

the digitizers can be transferred to a host processor, either in the PC, in the crate, or interfaced to the crate, over the

PCI bus. The 6U units (DC222, DC252, and DC282) can operate at 64-bit − 66 MHz with peak transfer speeds

approaching 500 MB/s. The 3U units (DC122 and DC152) work at 32-bit − 33 MHz. The digitizers occupy a single

slot of a 3U or 6U CompactPCI crate and they comply with the 3U or 6U CompactPCI standard (PXI compliant).

Acqiris digitizers are designed to provide superior measurement precision and accuracy. Key acquisition

specifications (such as DC accuracy, integral and differential non-linearity) have been optimized to deliver maximum

measurement fidelity. Careful circuit layout, custom IC’s and special packaging techniques have all been employed

to reduce overall system noise. The use of custom IC’s also dramatically reduces the total number of discrete

components required. This has tremendous benefits on reliability and also allows the modules to use a minimal

amount of power.

For complete technical specifications concerning your particular digitizer please refer to the product’s Specifications

& Characteristics. In addition, we maintain up-to-date versions of all product data sheets on our web site

(http://www.agilent.com/find/acqiris

). The data sheets are available in pdf format and are best viewed using Adobe

Acrobat software. If you have trouble accessing our web site, or viewing the data sheets, please contact your nearest

sales office.

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Agilent Technologies DC122 User Manual Page 12

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