28 Getting Started Guide
Quick Start
RF Interface
RF Interface
The MSB and RFB cards provide the digital signal processing needed for
generation of up to 8 Tx signals, by way of the Digital/Analog Converters
(DACs), and also for reception/measurement of up to 4 Rx signals, by way of
the Analog/Digital Converters (ADCs).
The Tx/Rx ports on the front panel (RF 1-8, on the right in the diagram)
connect with the DACs and ADCs through a network of switches and
combiners in the RFIO card.
Any port can operate in transmit mode. Up to 4 ports at a time can operate in
receive mode (RF 1 or 5; RF 2 or 6; RF 3 or 7; RF 4 or 8). Any RF port can
operate in full-duplex mode, if it is configured as both an input port and an
output port (but only 4 ports at a time can do this, because of the limitation of
4 ports in receive mode).
Figure 2-2 RF Interface
Excessive input power to the RF ports can cause receiver damage. See
“Protecting against excessive input power” on page 21.
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