On Thu, 01 Sep 2005 12:24:41 GMT, "Joe Bloggs"
wrote:

Hi,

I need to make an 433MHz transceiver that is running half duplex.
I have a separate transmitter and receiver but I need both of these to share
the same external aerial.
Question is, how do I join the two?
If I were to just connect the two together I would think that I could
potentially cause damage to the receiver by over loading the front end and
also possibly damage the transmitter by placing to heavy a load on it ??

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Why can't you use an appropriate relay?

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John Fields
Professional Circuit Designer