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M9202A Datasheet(PDF) 4 Page - Keysight Technologies

Part No. M9202A
Description  PXI-Express Wideband IF Digitizer
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Maker  KEYSIGHT [Keysight Technologies]
Homepage  http://www.keysight.com
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M9202A Datasheet(HTML) 4 Page - Keysight Technologies

 
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Calibration intervals
The M9202A is factory calibrated and shipped with a calibration
certificate.
Calibration is recommended every year in order to verify product
performance.
Firmware options
The M9202A provides two main firmware options: BAS (basic
digitizer firmware) and DDC (digital downconversion firmware).
The BAS option features a basic digitizer firmware that allows
digitizing signals up to 1 GHz at 2 GS/s with a resolution of
12-bit. The digitized data can be stored in the on-board memory
and/or transferred through the PXIe backplane.
The DDC option, in addition to the basic digitizer functionality,
implements a real-time digital downconversion and decimation on
the digitized data, allowing to fully analyzing signals of up to
250 MHz bandwidth. DDC settings as dithering level, data band-
width, trigger bandwidth and frequency shift are variable in order
to satisfy customer needs. One can change the center frequency,
set the amount of digital filtering applied to the data and make
dramatic improvements in the ADC’s harmonic distortion perfor-
mance by changing these parameters settings. In order to get the
best results from the DDC firmware, anti-alias filtering should be
performed on the signal prior to entering the digitizer. A bandpass
filter, with a passband of 375 to 625 MHz with excellent stopband
rejection at the nearest image band centered at 1.5 GHz on the
upper side, and nominal stopband rejection up to the highest sub-
harmonic of an in-band signal (625 / 2 = 312.5 MHz) on the lower
side is recommended. The signal should peak to -2 dBm at the
digitizer input for optimum performance with the DDC algorithm.
In addition, the M9202A also provides the V05 and V10 options,
which feature continuous digitized data streaming capability
through the PXI Express backplane. The V05 option allows to
stream up to 50 MHz analog bandwidth, whereas the V10 option
doubles the data transfer speed in order to reach an unprecedent-
ed 100 MHz gap-free analog bandwidth streaming in PXI format.
Product configuration
The M9202A is based on a modular architecture allowing
various product configuration options according to customer
requirements. Any configuration must include the product base
(M9202A), a number of channels, the sampling rate, amount of
memory size and one firmware option.


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