P440 Data Sheet / User Guide
DRAFT
55
6.7 Operating Range of P440 Radar
The detection range of a UWB Radar is a strong function of the antennas used, the ambient
environment, clutter, target size and movement characteristics, as well as the robustness of the user
developed signal processing. The quoted detection ranges have been achieved by others and
represent close to the maximum detection range achieved to date without using heroic measures.
Users limited to the legal maximum transmit power and with no antenna flexibility should half the
numbers shown in
Table 3
.
For additional insight into this subject, a validated Radar Range Equation for the P440 is provided on
the Time Domain website.
6.8 P440 Version Differences
From time to time slight changes or improvements are made to the P440 design. The version or
revision level of any given P440 is indicated in the bar code of that particular P440 (See
Figure 35
below).
Fig. 35: P440 Version indicated in bar code. Unit shown is a Rev A board.
The following is a list, by revision level, of any deviations or changes/improvements from this data
sheet.
P440 Rev A
Ethernet through the mezzanine connector is not supported.
Operation of the unit at the temperature limits is not recommended. Failures have been
reported. Avoid using the equipment in extreme outdoor temperatures.
Avoid operating units in high vibration.
If failures do occur in either high vibration or extreme temperature contact Time Domain
customer service.
P440 Rev B
Ethernet through the mezzanine connector is not supported.
Rev A board
