Model 5x41-430 (Pentek Inc)
Model 5341-420 is a software radio transceiver suitable for connection to HF or IF ports of a communications system. It features two A/D and two D/A converters with built-in support for PCI Express (PCIe) Gen. 2 over the 3U VPX backplane. A unique fabric-transparent crossbar switch bridges numerous interfaces and components on the board with no latency. Also available as the Model 7841-430 x8 PCIe version.
*Complete software radio interface solution *3U VPX form factor * GateFlow Core 430 with 256 channels of narrowband digital downconverters factoryinstalled *256 programmable NCOs with 32-bit frequency tuning resolution *Programmable decimation settings from 1024 to 9984 in steps of 256 *LVDS clock/sync bus for multiboard synchronization
Core 430: 256-Channel DDC Bank
Unlike legacy channelizer methods, the
Pentek 430 core allows for independent programmable
tuning of each channel with 32-bit
resolution. Filter characteristics are comparable
to many conventional ASIC DDCs.
Added flexibility comes from programmable
global decimation settings ranging
from 1024 to 9984 in steps of 256, and 18-bit
user programmable FIR decimating filtercoefficients for the DDCs. Default DDC
filter coefficient sets are included with the
core for all possible decimation settings.
Core 430 utilizes a unique method of
channelization. It differs from others in that
the channel center frequencies need not be
at fixed intervals, and are independently
programmable to any value.
Core 430 DDC comes factory-installed
in this Model. A multiplexer in front of the
core allows data to be sourced from either
A/D converter, A or B. At the output, a
multiplexer allows for routing either the
output of the GC4016 or the Core 430 DDC
to the PCI Bus.
In addition to the DDC outputs, data from
both A/D channels are presented to the PCI
Bus at a rate equal to the A/D clock rate
divided by any interger value between 1 and
4096. A Texas Instruments DAC5686 digital
upconverter and dual D/A accepts baseband
real or complex data streams from the PCI Bus
with signal bandwidths up to 50 MHz. The
analog outputs are transformer-coupled to
front panel MMCX connectors.
Pentek Inc · Hardware Partner
1 Park Way
Saddle River, NJ 07458
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