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Figure 23. Bidirectional SISO (Baseband and IF) Chassis
NI PXIe-3620
IF-LO Module, 2 GHz BW
TX
LO1
IN
LO1
IF OUT
IF IN
IF SYNC IN
IF SYNC OUT
REF IN
REF OUT
LO2 OUT
ESD
SENSITIVE
LO2 IN
I+
I–
Q+
Q–
I+
I–
Q+
Q–
DIGITAL I/O
LVTTL
LO1
LO1
OUT
LO1
IN
LO1
OUT
RX
mmWave
PXIe-7902
POR
T
4
POR
T
5
POR
T
2
POR
T
3
POR
T
0
POR
T
1
CLK
IN
PXIe-3610
I/Q Generator
0
1
2
3
REF IN
+10 dBm
NOM
+13 dBm
MAX
2 Vp-p
DIFF MAX
2 Vp-p
DIFF MAX
0 Vcm
ALL PORTS 50
Ω
REF
OUT
Q+
Q–
I+
I–
ACCESS
ACTIVE
PXIe-7902
CLK
IN
POR
T
2
POR
T
3
POR
T
4
POR
T
5
POR
T
0
POR
T
1
PXIe-3630
I/Q Digitizer
REF IN
+10 dBm
NOM
+13 dBm
MAX
1.5 Vp-p
DIFF MAX
1.5 Vp-p
DIFF MAX
0 Vcm
ALL PORTS 50
Ω
REF
OUT
0
1
2
3
Q+
Q–
I+
I–
ACCESS
ACTIVE
2
1
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
10
NI PXIe-1085
10 MHz REF OUT
IN
24 GB/s
Embedded Controller
RESET
TRIG
ACT/
LINK
ACT/
LINK
2
1
10/100
/1000
10/100
/1000
USER1
USER2
PWR OK/
FAULT
DRIVE
GPIB
PXIe-7902
CLK
IN
POR
T
2
POR
T
3
POR
T
4
POR
T
5
POR
T
0
POR
T
1
1
2
3
1. Mini-SAS HD(m)-to-Mini-SAS HD(m) (8.25 in.) Cables
2. MMPX(m)-to-MMPX(m) Cables
3. Mini-SAS HD(m)-to-Mini-SAS HD(m) (8.25 in.) Cable
6.
Repeat steps 1 through 5 for the second RX/TX chassis.
Related Information
Connecting mmRH-3602/3603 Radio Heads to a Bidirectional System
on page 44
Connecting mmRH-3642/3643/3652/3653 Radio Heads to a Bidirectional System
on page 47
Connecting mmRH-3647/3657 Radio Heads to a Bidirectional System
on page 49
Interconnecting the Bidirectional MIMO (Baseband) Modules
Complete the following steps to connect the modules of the bidirectional MIMO (baseband)
mmWave Transceiver System configuration.
1.
Connect the adjoining PXIe-7902 and PXIe-3610 modules using four Mini-SAS HD(m)-
to-Mini-SAS HD(m) (8.25 in.) cables.
a)
Connect the PORT 0 connector of the PXIe-7902 front panel to the 0 connector of
the PXIe-3610 front panel.
b)
Connect the PORT 1 connector of the PXIe-7902 front panel to the 1 connector of
the PXIe-3610 front panel.
c)
Connect the PORT 2 connector of the PXIe-7902 front panel to the 2 connector of
the PXIe-3610 front panel.
d)
Connect the PORT 3 connector of the PXIe-7902 front panel to the 3 connector of
the PXIe-3610 front panel.
32
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mmWave Transceiver System Getting Started Guide