
Frequency Selective Filters
167
J1
INPUT
0.2808
L-
FGHz
a = 0.15L
(A)
J2
OUTPUT
l
L
SH I E LD R ESONATO R
J1 1 J2
INPUT
~ OUTPUT
L = 0.18:3 INCHES W = 2H
FGHz
L H
a = -- h =u
4 4
(B)
Figure
8-3 A) Half-wavelength and B) quarter-wavelength stripline filters.
~N *-~+ \
- L
,,""7
OUT
Figure
8-4
Interdigital stripline filter.