ADLINK PCI-9820 - Manual (Page 11)

Introduction
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Introduction
The ADLINK PCI-9820 is a 65MS/s, high-resolution PCI digitizer with deep
SODIMM SDRAM memory that features flexible input configurations, in-
cluding programmable input ranges and user-selectable input impedance.
With the deep on-board acquisition memory, the PCI-9820 is not limited by
the PCI’s 132MB/s bandwidth, and can record the waveform for extended
periods of time. The PCI-9820 is ideal for high-speed waveform capturing
(such as radar and ultrasound), software radio, and other signal digitizing
applications needing large amounts of memory for data storage.
Analog Input
The PCI-9820 device features two analog input channels. The small signal
bandwidth of each channel exceeds 30MHz, which satisfies the Nyquist
sampling theory. The input ranges are programmable as either
±5V or ±1V.
The 14-bit A/D resolution makes the PCI-9820 ideal both for time-domain
and frequency-domain applications.
Acquisition System
The ADLINK PCI-9820 device uses a pair of 65MS/s, 14-bit pipeline ADCs
to digitize the input signals. The device provides an internal 60MHz time-
base for data acquisition. The maximum real-time sampling rate is 60MS/s
with internal timebase and up to 65MS/s with external timebase. By using
the “ping pong” mode, the sampling rate is up to 120MS/s with internal
timebase or 130MS/s with external timebase.
Acquisition Memory