General Information
1-7
1.10 Functional
Description
The PMM ER9000 features a completely new receiver architecture based
on the most recent DSP and FPGA technology, as shown on the diagram
below.
Fig. 1-3
PMM ER9000 Functional BLOCK Diagram
The input stage integrates a switch system able to address the signal
source coming from the N panel connector to the low (conducted) or high
(radiated) frequency modules. The RF (Radiated) module is equipped with
its own attenuator and preselection filters bank. The A to D conversion and
processing stages are in common between conducted and radiated
modules.
The stages designed for conducted measurements are able to handle
frequencies from 10 Hz up to 30.1 MHz and the radiated module can
handle frequencies from 28 up to 3000 MHz.
The second IF can be set for a 15 MHz width, useful to speed up
measurements, or for a 7.5 MHz width, more suitable for strong wideband
disturbances.
All the IF filters are numerically calculated by the FPGA-DSP so they are
very stable and do not need neither to be retuned at all, nor frequent
recalibration.
The human Interface unit is equipped with a powerful DSP processor,
which drives the touch panel display and all the communication ports.
Summary of Contents for PMM ER9000
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Page 50: ...4 4 Applications Fig 4 2 ER9000 with external L2 16B LISN...
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Page 96: ...7 30 Remote control This page has been left blank intentionally...
Page 106: ...Suggerimenti Commenti Note Suggestions Comments Note...