Instruction Sheets for Part Number MSQ-PS2M
M2 Antennas Polarity Switch Kits
Polarity Switch Kit, 100-250 MHz, 250 W, 50 dB Isolation, Less Than 1.2:1 SWR, 12 Vdc, 80 mA, Kit
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Overview
Brand:
Manufacturer's Part Number:
PS2M
Part Type:
Product Line:
DXE Part Number:
MSQ-PS2M
Polarity Switch Frequency Range:
100-250 MHz
Polarity Switch Power Handling:
250 W
Polarity Switch Isolation:
50 dB
Polarity Switch Insertion Loss:
0.1 dB
Polarity Switch SWR:
Less than 1.2:1
Polarity Switch DC Voltage:
12 Vdc
Polarity Switch DC Current:
80 mA
Polarity Switch Time, In:
20 ms
Polarity Switch Time, Out:
15 ms
Polarity Switch Operating Temperature:
-50 C to 150 C
Feedpoint Impedance:
50 ohm
Maximum Element Length:
50 in.
Width (in.):
2.000 in.
Height (in.):
2.000 in.
Depth (in.):
1.250 in.
Weight:
2.000 lbs.
Quantity:
Sold as a kit.
M2 Antennas Polarity Switch Kits
M2 Antennas Polarity Switch Kits are specialized replacement driven elements with built-in relays that are designed to work on M2 Antennas circularly polarized antennas for the highest possible antenna performance for your satellite communications system.
Circularly polarized beams are typically built with only right-hand circular polarization. However, attenuation of satellite signals can occur when attempting to receive the RF wave fronts of an opposite rotational direction, which is common in satellite communications
Polarity Switch Kits modify the original antennas by adding the capability to switch between right-hand and left-hand circular polarization. This additional level of antenna capability allows the reception of both types of circularly polarized wave, for maximum signal capture.
Switching is accomplished with the addition of a single DC control wire carrying positive 12 volts to the control terminal on the Polarity Switch Kit's replacement driven element block. Originally designed for NASA for many of their 100 to 500 MHz satellite and spacecraft applications, these Polarity Switches are now used by many Amateur VHF/UHF enthusiasts to enhance performance and flexibility for both terrestrial and satellite applications.
The heart of each unit is a small, low loss coaxial switch carefully designed into the driven element block. Only one driven element block Polarity Switch Kit is required to achieve full right hand and left hand selection. They can handle 250W of continuous RF transmission power and present losses that are less than 0.1 dB.
Installation is easy and involves only the removal of one of the original Driven Element assemblies and then mounting the Polarity Switch Kit in its place. Many Satellite enthusiasts build their new M2 Circularly Polarized Beams with Polarity Switch Kits, so their antenna systems will be fully functional from the start!
Get all of your M2 Antennas VHF/UHF and Satellite products from DX Engineering today!
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Some parts are not legal for use in California or other states with similar laws / regulations
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