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Partner Product

Model 6235  (Pentek Inc)
Model 6235 is a dual wideband digital receiver VIM-2 module. It attaches directly to VIM-compatible processor boards and includes a Virtex-II FPGA (Field Programmable Gate Array) and two 12-bit A/Ds.

Product Highlights

*Two identical receiver channels include A/D, digital downconverter and a shared FPGA * Two low distortion 105 MHz 12-bit A/D converters * Wideband digital downconverters with decimation range from 2 to 64 *Output bandwidths to 40 MHz for 100 MHz sampling clock *Advanced Virtex-II FPGA for signal preprocessing *Factory-installed cores available

Product Description

Front End

The Model 6235 accepts two analog RF

inputs at +4 dBm full scale into 50 ohms on

front panel SMA connectors.

Each of the two inputs is transformer

coupled, and digitized by an AD9432 12-bit

A/D converter. The AD9432 is capable of

operating at sample rates to 105 MHz. The

A/D converter clock can be driven from

an internal crystal oscillator or from an

external sample clock supplied through a

front panel SMA connector or front panel

sync bus.

Digital Downconverter

The digitized output of each A/D feeds

the Graychip GC1012B wideband digital

downconverter, capable of 40 MHz bandwidth

at 100 MHz sampling clock. It offers

a programmable decimation range from 2

to 64 and delivers complex 16-bit I and Q

samples to the FPGA.


The front panel clock and sync bus allow

one 6235 to act as a master, driving the

sample clock out to a front panel cable bus

using LVDS differential signaling. Multiple

slaves can then be clocked synchronously

with the master.

Additional sync lines allow synchronization

of the local oscillator phase, frequency

switching, decimating filter phase, and

FIFO data collection on multiple 6235’s.

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Wind River, a wholly owned subsidiary of Intel Corporation (NASDAQ: INTC), is a world leader in embedded and mobile software. Wind River has been pioneering computing inside embedded devices since 1981 and its technology is found in more than 500 million products