RF2670
Differential Filter Design Information (Cont.)
Bessel Response
RS
L
C1
RS
L
RL
C2
RL
10
C1
=
-C----1---b----w-----⋅----12------⋅---1---0---1--2-
2 ⋅ π ⋅ fc ⋅ RL
;C
2
=
C-----2---b----w-----⋅---12-------⋅---1---0---1--2-
2 ⋅ π ⋅ fc ⋅ RL
;L
=
-L---b---w------⋅---R----L-----⋅---1---0---6-
2 ⋅ π ⋅ fc
C1bw = 2.9825;C2bw = 15.4697;Lbw = 0.0860
RS = 125;RL = 1000;R-R---L-S- = 0.125
100000
10000
1000
100
10
1
1.E+05
Differential LC Filter Component Values
(Bessel Response)
1.E+06
Frequency
C2 (pF)
C1 (pF)
L (µH)
1.E+07
10-50
Rev A4 010820