Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

ASK vs AM,FSK vs FM, PSK vs PM

Status
Not open for further replies.

electronics_kumar

Advanced Member level 2
Joined
Nov 29, 2004
Messages
659
Helped
34
Reputation
68
Reaction score
9
Trophy points
1,298
Location
Tamilnadu
Activity points
5,552
ask psk fsk

i want the differences between ASK and AM ,FSK and FM ,PSK and PM'' ...to be precise i want to know Analog modulation versus Digital modulation(ASK vs AM,FSK vs FM, PSK vs PM). which one is superior....in terms of bandwidth,SNR or
P(e), modulating and demodulating complexity and so on..
 

ahmad_abdulghany

Advanced Member level 4
Joined
Apr 12, 2005
Messages
1,209
Helped
102
Reputation
206
Reaction score
21
Trophy points
1,318
Location
San Jose, California, USA
Activity points
11,781
ask vs fsk

You can read about them in Digitall communications systems by Simon Hykin,
they are explained in details and in easy way,

Best Regards,
Ahmad,
 

    V

    Points: 2
    Helpful Answer Positive Rating

pixel

Advanced Member level 2
Joined
Sep 16, 2004
Messages
511
Helped
69
Reputation
138
Reaction score
16
Trophy points
1,298
Activity points
3,992
fsk vs psk

AM, FM and PM three fundamental analog modulation techniques, while shift keying are digital
 

ahmad_abdulghany

Advanced Member level 4
Joined
Apr 12, 2005
Messages
1,209
Helped
102
Reputation
206
Reaction score
21
Trophy points
1,318
Location
San Jose, California, USA
Activity points
11,781
ask fsk psk

eecs4ever said:
This is a great link that explains a lot of this in detail.

h**p://www.complextoreal.com/tutorial.htm

Good luck.

Yes, It's really great, but It will be further good if you have another similar link to a communications electronics site like the above!

Waiting for you!

Thanks,
 

yogeshh

Newbie level 3
Joined
Dec 1, 2005
Messages
3
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,302
ask vs psk

electronics_kumar said:
i want the differences between ASK and AM ,FSK and FM ,PSK and PM'' ...to be precise i want to know Analog modulation versus Digital modulation(ASK vs AM,FSK vs FM, PSK vs PM). which one is superior....in terms of bandwidth,SNR or
P(e), modulating and demodulating complexity and so on..

One of the best book for knowing it is "Digital Communications" by Sklar.
try to find it.
 

midolasi3

Junior Member level 3
Joined
Jun 28, 2005
Messages
27
Helped
1
Reputation
2
Reaction score
0
Trophy points
1,281
Activity points
1,496
difference between ask and fsk

Of course digital communications methodology is better , for more reading on this topic , you can read " Principles of communication systems " by taub & schiling
 

sivani_vs

Junior Member level 3
Joined
Feb 10, 2006
Messages
31
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,286
Activity points
1,530
am vs ask

In terms of SNR digital modulation schems(FSK...) are superior than Analog modulations(FM...) for further details refer Communication systems by taub and shilling.
 

Smart

Member level 4
Joined
Jan 28, 2006
Messages
72
Helped
2
Reputation
4
Reaction score
2
Trophy points
1,288
Activity points
1,841
fm vs fsk

For Complete understanding you should read system communication book, but i get an example :
your voice is wave. and it is an analog wave. if you digitize your voice with Analog to digital convertor then your voice will change to some 0 and 1. then if you send a short wave for 1s and do not sending any wave for 0s then it is ASK. it is the presence of signal for 1s and no presence of sigmal for 0s.
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top