PAM modulation and demodulation

198

03:12:50

In this circuit a sinusoidal wave of 10kHz will modulated in PAM with a carrier signal of 335kHz.
The sinusoidal wave will be reconstructed with 2 RC low-pass filters with fc=10kHz.

published 10 years ago

hurz

10 years ago

Better scaling this way ;-) http://everycircuit.com/circuit/5901837362790400

Karsten

10 years ago

Can't you just call that AM? I mean, I have no problem with PAM but I think the P isn't necessary.

Savii

10 years ago

It's called PAM - acronime of pulse amplitude modulation. It's different from the AM modulation.. The carrie signal in this tipology of circuit it's a rectangular wave..

Karsten

10 years ago

I mean, I knew that PAM means Pulse Amplitude Modulation, but I thought it wasn't different from regular Amplitude Modulation. Thanks for the explanation why that is so.

thebugger

10 years ago

It's close, although different. You wouldn't be wrong to call it amplitude modulation, but that's not a complete description.

Savii

10 years ago

Yes.. You are right.. It is a type of amplitude modulation.. But thats is the specific description

thebugger

10 years ago

Yes it's like differentiating a red tomato from a green tomato. They both are tomatoes, but are different types of tomatoes. This is a very bad analogy, but it sorta applies

hurz

10 years ago

Yes bad, because multiplication is multiplication. And Red!=Green

thebugger

10 years ago

Red! Is actually cyan, but whatever hahaha

hurz

10 years ago

I wont eat cyan tomatoes

thebugger

10 years ago

Hahaha :D no one would.

add comment in editor

EveryCircuit is an easy to use, highly interactive circuit simulator and schematic capture tool. Real-time circuit simulation, interactivity, and dynamic visualization make it a must have application for professionals and academia. EveryCircuit user community has collaboratively created the largest searchable library of circuit designs. EveryCircuit app runs online in popular browsers and on mobile phones and tablets, enabling you to capture design ideas and learn electronics on the go.