National Instruments PXIe-3610, Getting Started Manual, Page: 64 / 86

Table 10. Connector Descriptions (Continued)
Connector Description
TX LO1 IN LO1 input that allows sharing of the LO1 associated with the
transmitting the mmWave radio head.
LO1 OUT LO1 output that allows sharing of the LO1 associated with the
transmitting the mmWave radio head.
IF SYNC OUT Internally connected to the IF OUT port through a single-pole,
double-throw (SPDT) switch.
I+ I+ and I- comprise the 100 Ω differential input for the in-phase
signal.
I-
Q+ Q+ and Q- comprise the 100 Ω differential input for the
quadrature-phase signal.
Q-
RX LO1 IN LO1 input that allows sharing of the LO1 associated with the
receiving the mmWave radio head.
LO1 OUT LO1 output that allows sharing of the LO1 associated with the
receiving the mmWave radio head.
IF SYNC IN Internally connected to the IF IN port through an SPDT switch.
I+ I+ and I- comprise the 100 Ω differential output for the in-phase
signal.
I-
Q+ Q+ and Q- comprise the 100 Ω differential output for the
quadrature-phase signal.
Q-
REF IN Reference input.
REF OUT Reference output.
LO2 IN LO2 input that allows sharing of the I/Q modulator and
demodulator LO.
LO2 OUT LO2 output that allows sharing of the I/Q modulator and
demodulator LO.
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mmWave Transceiver System Getting Started Guide