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By Satyapal, A.D.E.By Satyapal, A.D.E. 11

Frequency ResponseFrequency Response

Use of Side Band AnalyserUse of Side Band Anal

yser --Measurement to be carried out at theMeasurement to be carried out at theoutput of Diplexer with a Side Bandoutput of Diplexer with a Side BandAnalyser with transmitter input si nalAnalyser with transmitter input si nalas shown below !as shown below !

"e#el $-%-%"e#el $-%-%

&-'&( )1&(* +.1+$&-'&( )1&(* +.1+$ +- +( )&+(* +. &$+- +( )&+(* +. &$ /&-0&( ) &(* +. +$/&-0&( ) &(* +. +$

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By Satyapal, A.D.E.By Satyapal, A.D.E. ''

Side Band AnalyserSide Band Analyser

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By Satyapal, A.D.E.By Satyapal, A.D.E.

Side Band AnalyserSide Band Analyser

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By Satyapal, A.D.E.By Satyapal, A.D.E.

TEST SETUPTEST SETUP

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By Satyapal, A.D.E.By Satyapal, A.D.E. &&

Speci cations of CCIR 1BSpeci cations of CCIR 1BFreq. !"#$ !a%. !in.Freq. !"#$ !a%. !in. d&$ d&$d&$ d&$'(.()'(.() ')* ''')* ''').* '+* ''').* '+* '''1.+, '+* '''1.+, '+* '''*.-, *., '(.*'*.-, *., '(.*'*., *., '1.,'*., *., '1., * *., '*.,* *., '*.,1.* *., '*.,1.* *., '*.,1., Ref. Ref.1., Ref. Ref.).* *., '1.*).* *., '1.*

(.* *., '1.*(.* *., '1.*(.() *., '1.*(.() *., '1.*,.* '' '+.,,.* '' '+.,,., '' '',., '' ''

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By Satyapal, A.D.E.By Satyapal, A.D.E.

En/elope 0elayEn/elope 0elay!easure ent!easure ent

0e nition0e nition ! En#elope Delay is the di2erential! En#elope Delay is the di2erentialcoe3cient of a cur#e which shows thecoe3cient of a cur#e which shows therelation between the $ideo 4re5uency andrelation between the $ideo 4re5uency and

%hase. 6t is used in contrast to di2erential%hase. 6t is used in contrast to di2erentialphase )D%* which is the di2erentialphase )D%* which is the di2erentialcoe3cient of a cur#e showin the relationcoe3cient of a cur#e showin the relationbetween si nal le#el and phase. En#elopebetween si nal le#el and phase. En#elope

Delay is expressed as d78dw which is theDelay is expressed as d78dw which is thedi2erential coe3cient of %hase Delay wheredi2erential coe3cient of %hase Delay where7 9 %hase and w 9 An ular $ideo 4re5uency7 9 %hase and w 9 An ular $ideo 4re5uency

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By Satyapal, A.D.E.By Satyapal, A.D.E. //

::6; 1B Standard::6; 1B Standard4re5.)M<=* >ominal ?olerance4re5.)M<=* >ominal ?olerance

$alue )in ns*$alue )in ns* ++ ++ @@ 1'1' +.'&+.'& -& -& @@ 1'1'

11 -&-& @@ 1'1' '' -0+-0+ @@ 1'1' -/&-/& @@ 1'1'

./&./& + + @@ 1'1' . @1/+. @1/+ @@ '&'& . @ ++. @ ++ @@ &+&+