Infinition BR-3501 BR-3501 35 GHz Doppler Radar User Manual UserManual

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Document ID	131976
Application ID	xv7df0C6bv8D8dF5W+ygsA==
Document Description	User manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	22.47kB (280929 bits)
Date Submitted	2001-01-09 00:00:00
Date Available	2001-04-12 00:00:00
Creation Date	0000-00-00 00:00:00
Producing Software	Acrobat Distiller 3.01 for Windows
Document Lastmod	2001-01-07 23:02:58
Document Title	UserManual
Document Creator	Adobe PageMaker 6.52
Document Author:	ben

BR-3501
User Manual
Warning
Based on the recommendations of the National Council on Radiation Protection and Measurements
(NCRP) in occupational/controlled situations, continued exposure to radiation should be avoided within
1 meter in front of the radar. Radiation levels outside this region fall within regulations of 5 mW/cm 2 (for
periods less than 6 minutes) and are not considered safety hazards. Direct visual contact with the radar
when transmitting should be avoided at all times.
Specifications
Operating Frequency
Transmitting Power
Antenna Gain
Transmitter Stability
Beam Width
Side Lobes
Weight
35 GHz
100 mW
30 dBi
±0.1%
4° x 4°
-24 dB
12 Kg
Installation
The BR-3501 radar system includes the following three components:
• Radar antenna
• Tripod
• Tripod mounting adapter
Before attempting to install your radar, you should familiarize yourself with your new tripod and understand how the mounting adapter can be secured in place to hold the radar.
Installation Steps:
• Adjust your tripod to a convenient height and orientation.
• Install the tripod mounting adapter under the base of the radar.
• Mount the radar on the tripod ensuring that the mounting adapter is properly locked in place.
• Adjust the radar height, tilt and inclination to your needs using the tripod controls.
Operation
The BR-3501 rear panel contains only three components:
Power/Signal Connector
The BR-3501 is interfaced to a processing unit using a single six-wire cable equipped with military
connectors. This cable is used to provide power to the antenna, to carry the radar doppler signal to the
processing unit and to carry the antenna transmission control. You should connect your radar cable from
this connector to the appropiate radar input on your processing unit.
The connector type is ITT Cannon MS3124E16-8P. The following table discribes the pinout of this
connector:
Pin
Function
AC Neutral
110 Volts AC
Not Connected
Remote Make (+ 5 Vdc Output)
Make Ground
Doppler Signal + (5 Vpp max.)
Doppler Signal - (5 Vpp max.)
Ground
The remote activation of the transmitter can be achieved by short circuiting pins D and E of the connector.
Transmitter Switch
The transmitter switch controls the state of the radar transmitter. When set to On, the radar will transmit
the radar signal. When set to Remote, the radar will not actually transmit until the system is armed. The
armed state is controlled by the processing unit via the Power/Signal cable.
Gain Adjustment Knob
Depending on the type of projectile being tested, the amplitude of the return signal may vary greatly. Just
think of the returned signal of a 155mm projectile versus the returned signal of a 2mm fragment. Typical
Doppler processing units have a minimum dynamic range of 72 dB . The gain adjustment allows you to
control the level of amplification applied to the returned signal before it is output to a processing unit.
The gain adjustment knob provides nine (9) gain levels ranging from 10 dB up to 90 dB. Having control
over the gain allows you to avoid very strong signals from being amplified outside the supported dynamic range which would lead to a loss of information when processing. Similarly, it allows you to
maximize the gain applied to a very weak signal returned by a small projectile.

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Producer                        : Acrobat Distiller 3.01 for Windows
Subject                         : UserManual
Author                          : ben
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Title                           : UserManual
Modify Date                     : 2001:01:07 23:02:58-04:00
Page Count                      : 3

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