30-05-2012, 04:07 PM
AM Transmitter and Receiver
AM Transmitter and Receiver.pdf (Size: 7.25 KB / Downloads: 64)
In this Semester project you have to design Transmitter and Receiver. However, the medium (channel)
will be used as a wire. For you convince, I am giving you a block diagram of this semester Project. You
can ensure whether your circuit is in running position or not by using Circuit Maker or Proteus etc and
eventually, implement on hardware.
Oscillator: In order to generate carrier you will use Oscillator. You may generate carrier frequency above
than 200Khz. But you will take message signal from signal generator that may be between 4 to 10 KHz.
Power Amplifier: You can simply take it from your Electronics Sedra Smith book perhaps Chapter 14.
BPF: You can take circuit of BPF from internet or any other source and its center frequency must be
similar to carrier frequency.
Envelope or Peak Detector and LPF: It is similar which we have done in your lab. However you can
extract your message back.