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half duplex transmission protocol for rs485
Is it possible to use a RS-485 interface with a device which uses RS-422?
In other words, is RS-485 fully compatible with RS-422?
Thanks in advance for your help.
swr meter demo
Thanks IBall!! It's very interesting. I'll try it. This file has a reference to "FAR circuits", do you know? There are a PCB layout for this SWR meter.
Best regards, Alexandre.
simple swr circuit
thanks 2000,
i would like the schematics and also the PCB (if it's a critical design). i was thinking in a circuit that can be used with multimeter.
thanks a lot.
I'm working with simple antennas, and I need a design of a simple SWR meter. It don't need to have high precision!
Could you help me?
<font size=-1>[ This Message was edited by: xandimg on 2002-05-01 18:07 ]</font>
Hey guys, please visit
https://members.tripod.com/~transmitters/links.htm
and see how many links are there. I was looking for a good FM transmiter, I think I've found!
:smile:
digital oscilloscope design
looks very interesting. But I didnt find the PCB layout. We can exchange some informations about this osciloscope, and maybe we can try it together.
anybody could try to make a PCB?!
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