Coaxial-Switches

Tohtsu CX-520D Coaxial Relay

Tohtsu CX-520D Coaxial Relay
http://www.w54.net/ebay/oe9pmj/cx520d_3.pdf

RF Impedence: 50 Ohms

Voltage Switching Time Mechanical Electrical Characteristics
Frequency (MHz)Maximum VSWRMinimum IsolationMaximum Insertion LossMaximum Input Watts
50 1.005 -65 dB-0.10 dB350
150 1.01 -60 dB -0.15 dB 300
5001.03-53 dB-0.18 dB300
10001.05-46 dB-0.20 dB 250
15001.17 -42 dB-0.20 dB 200
20001.20 -39 dB-0.25 dB150


Coil Characteristics
Nominal Voltage Voltage Range Resistance Ohms
12Vdc 9Vdc - 16.5Vdc 75 Ohms +/-10% at 20 degrees C.
24Vdc 18Vdc - 26.5Vdc 300 Ohms +/-10% at 20 degrees C.


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DG7YBN's technical Page on Coax Relays

http://dg7ybn.de/technical/Coax_Relays.htm

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Relays

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Guide to Selecting a Coaxial Switch:
https://www.dowkey.com/wp-content/uploads/2015/04/Tutorial___Guide_to_Selecting_a_Coaxial_Switch.pdf

Homebrew - 6x2 Coaxial Remote Antenna Switch:
https://www.qsl.net/k5lxp/projects/CoaxSwitch/CoaxSwitch.html

John Tait (EI7BA) - Remote Antenna Switching:
https://www.qsl.net/ei7ba/remote.htm

Ducommun LaBarge Technologies RF Products Switch Catalogue:
https://www.ducommun.com/pdf/RFCoaxialSwitchCatalog_120215.pdf

Imark COMMUNICATIONS PTY LTD:
http://www.imark.com.au/index.php?content=product_coaxial_n

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Glenn Lyons VK4PK
glenn@LyonsComputer.com.au
Ver:gnl20182018 - pre published v0.9