Setup and Function
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4.1.6 CPU
The CMC 356 CPU (Central Processing Unit) carries out the following tasks:
• Communication with the computer or a network via USB or Ethernet.
• Digital signal generation for all outputs of the test set (including control
signals for external amplifiers).
• Generation of a high-accuracy central clock signal with synchronization
options using either the CMGPS 588 or the CMGPS synchronization
unit, or the CMIRIG-B interface box as time source.
• Monitoring and control of all systems, including external amplifiers, if
applicable.
4.1.7 Power Supplies (DC-DC)
An AC/DC converter generates the required DC voltage from 85 to 264 V
AC
supply voltage (see section 6.1) and ensures adequate EMC filtering.
The power supply to the different modules, that each are part of their own
galvanic groups, are implemented using DC-DC converters with reinforced
insulation.
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