B39191B5006H310 데이터 시트보기 (PDF) - EPCOS AG

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B39191B5006H310

IF Filters for CDMA Cellular Phones

EPCOS AG 

SAW Components

B7305

IF Filter for Mobile Communication

190 MHz

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

5 July 26, 2002

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