EnduroSat S-Band Patch Antenna Type I Manuel utilisateur
USER MANUAL
S-Band Patch Antenna Type I
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S-BAND PATCH ANTENNA TYPE I –USER MANUAL
1Change Log ...................................................................................................................4
2Acronyms List.................................................................................................................4
3Overview........................................................................................................................5
4Highlighted Features .......................................................................................................5
5Antenna Layout ..............................................................................................................6
6Antenna Parameters .......................................................................................................8
7Included in the Shipment .................................................................................................9
8Mechanical and Environmental TEst.................................................................................9
9Handling and Storage .....................................................................................................9
10 Warnings........................................................................................................................9
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S-BAND PATCH ANTENNA TYPE I –USER MANUAL
S-BAND PATCH ANTENNA TYPE I
USER MANUAL
This user manual details the applications, features and operation of the EnduroSat S-Band Patch Antenna
Type I.
Please read carefully the manual before unpacking the antenna in order to ensure safe and proper use.
Figure 1 –EnduroSat S-Band Patch Antenna Type I
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S-BAND PATCH ANTENNA TYPE I –USER MANUAL
1 CHANGE LO
Date
Version
Note
10/04/2016
Rev 1
21/11/2016
Rev 1.1
Minor changes in the text
18/09/2018
Rev 1.2
Text modification
2 ACRONYMS LIST
ISM
COMM
UHF
FT
SMA
Industrial, Scientific and Medical
Communication Module
Ultra-High Frequency
Functional Test
Shape Memory Alloy
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S-BAND PATCH ANTENNA TYPE I –USER MANUAL
3 OVERVIEW
EnduroSat’s S-Band Patch Antenna Type I is designed to operate primarily in the 2.4-2.45 GHz ISM
band. It’s outer dimensions and mounting holes are designed according to the CubeSat standard, so
that it can be mounted on any satellite structure following that standard.
4 HIGHLIGHTED FEATURES
•Operating frequency: 2400-2450 MHz
•RF output power: up to 4 W
•Gain up to 8.3 dBi
•Circularly polarized: Left Hand Circular Polarization
•Half Power Beam Width (HPBW) 71deg
•Compatible with lens up to 21 mm
•Custom design for any side of body
•Weight: 64 g
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S-BAND PATCH ANTENNA TYPE I –USER MANUAL
5 ANTENNA LAYOUT
The antenna uses a slanted form of the nearly-square-patch so that it has a circular polarization (left-
hand circularly polarized).
Figure 2 shows the dimensions of the PCB, the four mounting holes of the body and the five holes
needed by the RF connector.
The stacked configuration of the antenna is shown in Figure 3.
Figure 2 –S-band Antenna (bottom side). All dimensions in mm
Figure 3- S-Band Antenna (side view). All dimensions in mm
The antenna is matched to 50 Ohms. For connection to a receiver (or transmitter), it uses a right angle
through hole MCX connector which is shown in figure 4.
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S-BAND PATCH ANTENNA TYPE I –USER MANUAL
Figure 4 - MCX Connector
Figure 5 –Bottom side
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S-BAND PATCH ANTENNA TYPE I –USER MANUAL
6 ANTENNA PARAMETERS
Figure 6 shows the measured return loss of the antenna.
Figure 6 –Measured return loss of the antenna
Figure 7 shows the measured radiation pattern for the co-polarization and cross-polarization of the
antenna at 2,425GHz.
Figure 7 - Radiation pattern
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S-BAND PATCH ANTENNA TYPE I –USER MANUAL
7 INCLUDED IN THE SHIPMENT
EnduroSat provides additional items with the S-Band Patch Antenna:
•2 Coaxial cables 50 Ohm, MCX to MCX and MCX to SMA connectors
•USB stick with user manual
Customized cables and connectors can be provided upon request.
8 MECHANICAL AND ENVIRONMENTAL TEST
A full campaign of tests at qualification level was performed on the qualification engineering model.
Qualification tests level and duration follow the ESA standard ECSS-E-ST-10-03C and GEVS: GSFC-
STD-7000A. Tests performed:
•Thermal Cycling
•Thermal Vacuum
•Random Vibration
•Sine Vibration
•Shock Test
9 HANDLING AND STORAGE
Particular attention shall be paid to the avoidance of damage to the S-Band patch antenna during
handling, storage and preservation. The handling of the UHF antenna module should be performed in
compliance with the following instructions:
•Handle using PVC, latex, cotton (lint free) or nylon gloves.
•The environment where the S-Band patch antenna module will be handled shall meet the
requirements for a class environment 100,000, free of contaminants such as dust, oil, grease,
fumes and smoke from any source.
•Store in such a manner as to preclude stress and prevent damage.
•To prevent deterioration, the S-Band patch antenna must be stored in a controlled environment,
i.e. the temperature and humidity levels shall be maintained in the proper ranges:
oIdeal storage temperature range: 15ºC to 27ºC
oIdeal storage humidity range: 30% to 60% relative humidity (RH)
10 WARNINGS
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S-BAND PATCH ANTENNA TYPE I –USER MANUAL
This product uses very fragile components. Observe precautions
for Handling.
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