Demodulation of fm slope and balanced slope detector

LearnByWatch 3,287 views 5 slides Sep 22, 2018
Slide 1
Slide 1 of 5
Slide 1
1
Slide 2
2
Slide 3
3
Slide 4
4
Slide 5
5

About This Presentation

Direct Method of FM Generation


Slide Content

Demodulation Of FM Slope And
Balanced Slope Detector

LearnByWatch.com [email protected] RKThenua.in

Demodwlation oy FM:
© Fresvony diac ximinetión method
ci Etc
Ci) Balanced <fbbe date chor
E) Phare Bizeriminahioy method
a Fopter- Sasloy Defecto
Cli) Rabo detector
Cú PLL detector

= Genet Lor Fm demodulation PLL damodulater a Prefered became
except PLL ol other demodulator require tran we For their Gretruction,
Slope detector :-

— Slope detector Can he Comksvdea Uut the help op. a Toned Amplifier and
an enveloe detecto or Shown th Esgure.

Spt) St)
Fr Tonea [Envelope mut)
Ampliker datector | 7

De

4 1 +> _
q | | — + =

1
F

mu)

1

— Tunes Amplifier JR Uped on Frequency Lo Voltage Converter So we Can sas tho
Fœauancy modalales signed Je Converted iy tp Amplitu modslates sind
Now we kwuw thab Am signed Can be empty demodulated usith the help op
envelope detector , Theron we que meme sql thet Wan Fresuanes

D 4.

TG
w
E EA
Sen) E
Le See

Tuned
Antler >

A 7 Po
DER

-lev

Ge cookie.

= A gone Frenos Characteriuhi stoned Amplitier dx non Liner da mature the
Some non- Linearil 4 boue in, tnt Ap Voltage convertion Therefore manage titre
nok be Perd vecomabroded and an erm x dnbratocd Known ab Dope ep.

Balanced Slope detector :-

Balanced slope detector 14 daniqned with
the hdp a bro Cle detect that are
Connected In such a way ‚the resulting
Slope error ul be minimum as faible

The Upper and Sower Resonant cirontta
are tuned fo Frequencies above and
below the Un-modulaked Camier Frequency
E. 0
Aa the Esto che, the Amplitud
Variations Send in Oppopite direction, by
Ante he difjerenc. o these Varlahlına
we Can obtain the wecultent Freeney
to Voltage Characteriatic known as

al
+1}
Tags