MBF9412B 데이터 시트보기 (PDF) - Oki Electric Industry

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MBF9412B

Surface Acoustic Wave (SAW) Filters for Mobile and Portable Phones

Oki Electric Industry 

––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– s MBF9411B/9412B s

ELECTRICAL CHARACTERISTICS

MBF9411B Electrical Characteristics (-40 to +85°C)

Parameter

Center Frequency (FC)

Bandwidth (BW)

Insertion Loss across BW

Return Loss across BW

Stop Band Attenuation

Terminating Impedance

Frequency (MHz)

Fr 836.5

Fr ±12.5

824 to 849

0.3 to 850

869 to 1049

1049 to 2000

Min.

–

–

–

8.5

28

30

20

–

Max.

–

–

3.5

–

–

–

–

50

Units

MHz

MHz

dB

dB

dB

dB

dB

ohms

CH1 S11 log MAG

CH2 S21 log MAG

CDMA TX

Cor1

Hld

5 dB/ REF 0 db

10 dB/ REF 0 db

1

2

3

4

1

1. –11.571 dB

1. –2.6971 dB

824.000 000 MHz

2. –19.721 dB

849 MHz

3. –1.7294 dB

869 MHz

4. –1.1989 dB

894 MHz

2

3

Cor

Hld

CENTER 860.000 000 MHZ

2

4

2. –2.0891 dB

849 MHz

3. –49.21 dB

869 MHz

4. –42.015 dB

894 MHz

SPAN 200.000 000 MHZ

Figure 1. MBF9411B Frequency Response

Oki Semiconductor

3

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