Figure 4. USRP-2955 Single Device LO Sharing
0 1
PWR
1G/10G ETH
9-16V DC
7.5 A MAX
SFP+Ports
1
1. SMA(m)-to-SMA(m) Cables
Preparing the USRP-2955 for LO Re-Import (Optional)
Complete the following steps to prepare a single USRP-2955 device to export LO OUT 1 and
re-import to LO IN 1 and LO IN 0.
1. Connect the LO OUT 1 IF2 connector of the USRP-2955 back panel to the IN connector
of an RF power amplifier front panel using an SMA (m)-to-SMA (m) cable.
2. Connect the OUT connector of the RF power amplifier to the input port of a two-way RF
power splitter using an SMA (m)-to-SMA (m) cable.
3. Connect the two output ports of the RF power splitter front panel to the LO IN 0 IF2 and
LO IN 1 IF2 connectors of the USRP-2955 back panel using SMA (m)-to-SMA (m)
cables.
4. Repeat steps 1 through 3 using a second splitter and additional cables to re-import and
share the IF1 signal.
The completed hardware setup is shown in the following figure.
8 | ni.com | USRP-2950/2952/2953/2954/2955 Getting Started Guide
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