NuPower
TM
12D05A User Manual
Rev 1.1
8
4
HARDWARE INTERFACE
The RF Input connector is SMA (female).
The RF Output connector is SMA (female).
The pin‐out definitions for the 9 pin Micro‐D socket connector are provided in Table 5. In a
typical installation, the PA module is mated to a host controller board via a cable harness.
The RF Out SMA connector is the antenna connection. This connection should
always be loaded into 50
Ω
, otherwise the PA could be damaged.
4.1
INTERFACE CABLE HARNESS
The cable harness that connects the host controller to the 9 pin Micro‐D connector of the NuPower
12D05A is made up of 9 wires.
Table 5: NuPower 12D05A Interface Pin‐Out Definitions
Pin No.
Pin Name
I/0
Description
3, 4, 5
V Supply
I
Primary Power (+28 VDC)
1, 2, 6, 8
GND
I
Signal and Power Ground
7
Temp Flag
0
Over‐temp Indicator
(Low = temperature fault)
9
RF Enable
I
Transmit Control
Figure 4: Micro‐D Socket Locations
4.2
DC POWER
The nominal supply voltage for the NuPower 12D05A is +28 VDC; The acceptable supply voltage range is
+27 to +30 VDC.