5

July 26, 2002

SAW Components

B7305

190 MHz

IF Filter for Mobile Communication

Data Sheet

Test matching network 1 for unbalanced operation in 50-

Ω environment (element values de-

pend on PCB layout):

Ls1 = 180 nH

Lp2 = 100 nH

Lp3 = 150 nH

Ls4 = 200 nH

Coils: Coilcraft 1008HQ

Test matching network 2 for balanced operation in 50-

Ω environment (element values depend

on PCB layout):)

Cs1 = Cs6 = 4.7 pF

Cp2 = Cp5 = tbd

Lp3 = 47 nH

Lp4 = 68 nH

Coils: Coilcraft 1008HQ

Transformers: 1:4 Toko

616DB1004