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I have been asked to implement a synchronous RS232 link. I have been reading documentation (googling and reading V.24 ITU-T recommendation), and I'm a bit confused about what I have to do.
If I understood correctly:
Both TX and RX signals are synchronized using:
a) either two different clock...
I only want to activate a buzzer when I send a RF signal, so I thought the easiest solution (and maybe the smallest and lowest power) was to detect only a carrier. No demodulation, no fancy signal processing. As you have pointed, it looks like this approach has many disadvantages, so I think...
But I don't need a full RX/TX module, only something that can detect carrier in a predefined RF frequency. There must be a even simpler and smaller solution. Something similar to LTC5505, but more selective in frequency, or maybe with discrete components.
If I do not find a better solution, I...
I want to build a RF transsmitter and receiver. The transmitter only have to tx a carrier signal of a known frequency, and the receiver has only to detect the carrier signal at that frequency. There is no data transmission/signal modulation. Only carrier tx/rx.
I want to embed the receiver...
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