RF2908
Differential Filter Design Information (Cont.)
Bessel Response
RS
L
C1
RS
L
RL
C2
RL
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 = 2.6163;C2bw = 13.6373;Lbw = 0.1083
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
11
Rev C1 010904
11-93