Array Solutions Four Square 사용자 설명서 - 페이지 3
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Array Solutions Four Square에 대해서도 마찬가지입니다: 사용자 설명서 (12 페이지)
페이지 인쇄Route the control cable through the rubber grommet hole in the relay box tray. Use the supplied
Ty-wrap™ as a strain relief. The relay box terminal strip is marked to indicate the connection to
terminals. See the above Table 1 for the proper connections. The relays are bypassed with
MOVs, capacitors, and diodes for RF and lightning suppression. See Fig. 2 which is a picture of
the relay phasing controller.
Figure 2 description
Input - RF connector is for the 50 ohm feedline
Antenna Ports 1-4 these are the output connectors to the 4 antennas. Each one should have a
¼ wavelength 70 - 75 ohm feedline connected to it. We use ¼ wavelengths to take advantage of
the current forcing properties of this length of line.
impedance close to 50 ohms for most antenna arrays.
directions that the antennas would normally be attached to the controller. NE, SE, NW, SW.
Dummy Load – A 50 ohm dummy load rated at 100 W minimum continuous duty should be
plugged into the RF connector labeled "Dummy Load" on the Relay controller box.
Water proofing the connections is always a good idea even though the lip of the cover will
protect the connectors from direct rainfall.
Setting up the system
The AS-4Square is pretty much plug and play and special instruments should not be necessary
to set it up and get it operational in the normal quadrature feed situation.
www.arraysolutions.com
2611 N. Beltline Rd.,Ste 109
Sunnyvale, TX, 75182, USA
This will also give the Hybrid coupler
The antenna ports are marked as
Phone: +1 214 954 7140
Four Square Manual, ver. 2.1
August 21 2017
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