Dear sir,
i want the circuit diagram for the following experiments,
1.FM transmitter and FM receiver circuit
2.PWM generation and detection circuit
3.PPM generation and detection circuit.
4.PCM transmitter and receiver circuit.
5.three way cross over network.

 

Google is your friend.
Use the same keywords that you posted, and you will have a great many pages worth of reading.

 

Hello,

All subjects you are mentioning are types of modulation techniques.
On this page of the EDUCYPEDIA most of them are explained in the links.
http://www.educypedia.be/electronics/modulation.htm

Greetings,
Bertus

 

THANX 4 UR RESPONSE