User's Manual

P330 Data Sheet / User Guide 47
DRAFT
7 Broadspec Antenna
The P330 is designed to operate with the Broadspec antennas shown in Figure 7-1. While this is the
antenna provided with the P330, the unit can accommodate a wide variety of standard and custom
antennas. The only electrical requirement is that the antenna used has a 50 ohm SMA connection.
Using a different antenna will likely change the beam pattern and gain, either of which will affect
certification. Using a different antenna may change the phase linearity and compromise the pulse
shape and integrity. This can affect the performance of the range measurement algorithms.
However, all of the transmit settings have been set assuming that the P330 is connected to the
Broadspec. In fact, the pending US certification effort will require use with the Broadspec antenna.
Using any other antenna (or even adding cabling between the P330 and the antenna) will require
recertification of the equipment.
For example, as per FCC 15.203, the Broadspec antenna must be professionally installed and the
installer has the responsibility to insure that the Broadspec antenna is used. EU regulations have
similar restrictions.
The Broadspec antenna (~3 dBi) provides an omni-directional transmit/receive pattern supporting a
frequency range of 3.1-5.3 GHz. It has a standard SMA male connector and measures 1.2” x 2.5” x
0.063” (3.0 x 63.5 x 1.6 mm). When ordered with a Kit it is also provided with a 90-degree connector
as shown in Figure 7-1.
The connector can also be ordered with a standard SMA female connector. See Section 10 for
ordering details.
Specifications are available on the web at:
http://www.timedomain.com/datasheets/TD_Broadspec_Antenna.pdf
Fig. 7-1: Broadspec antenna with phase center indicated
Phase Center