javadamirpoor
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hi froum.i need to 10 channel wireless switcher.plz help me.is there dicoder and encoder 10 channel?
tank you
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"Suppose we have a 4 bit encoder and decoder it mean that it can generate 16 signals i.e 2^4 = 16 from 0000 to 1111.
You can send signal to encoder from 0000 to 1111 because these signals are parallel and transmission is done serially therefore the encoder takes these parallel inputs and converts them into a serial data. Now encoder sends this serial data to RF transmitter. The RF transmitter receives this serial data and mix it with high frequency and transmits it.
On the receiving side the RF receiver receives this high frequency and demixes the high frequency from serial data and sends it to decoder. The decoder understands this serial data format so that it converts this serial data back to parallel data you have used in decoder."
Here is the circuit of Four channel RF remote control.
Four channel RF remote control - Freecircuits.net
The switches you are talking about is address
hi tahir. i use fm transmiter mudole 315MHZ.The simple solution is that search for 200 series transmitter and receiver. The data sheet has everything i.e operating frequency and transmitter/receiver circuit or You can publish your question as a new post there are lots of guys who can really help you.
---------- Post added at 04:28 ---------- Previous post was at 02:37 ----------
Javad can you tell me what frequency do you want to use for transmission and reception.