B7643 데이터 시트보기 (PDF) - EPCOS AG

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B7643

SAW Components SAW Duplexer for WCDMA Band I (UMTS)

EPCOS AG 

SAW Components

SAW Duplexer

Data sheet

Characteristics

Operating temperature range:

Antenna terminating impedance:

TX terminating impedance:

RX terminating impedance:

B7643

1950 / 2140 MHz

T = –30 ˚C to +85 ˚C

ZANT=

ZTX =

ZRX =

50 Ω

50 Ω

50 Ω || 3.9 nH

Characterisitcs TX - ANT

Center frequency

min. typ. max.

@ 25 ˚C

fC

— 1950.0

— MHz

Maximum insertion attenuation

αmax

1920.0 ... 1980.0 MHz

—

Amplitude ripple (p-p)

∆α

1920.0 ... 1980.0 MHz

—

Amplitude ripple (p-p)

over any 3.84 MHz within passband

∆αch

1920.0 ... 1980.0 MHz

—

Input VSWR (TX port)

1920.0 ... 1980.0 MHz

—

Output VSWR (ANT port)

1920.0 ... 1980.0 MHz

—

1.4

1.7 dB

0.4

0.7 dB

0.2

— dB

1.8

2.1

1.6

1.9

Attenuation

1.0

1570.0

1805.0

2110.0

2402.0

3840.0

5760.0

... 1570.0

... 1580.0

... 1880.0

... 2170.0

... 2480.0

... 3960.0

... 5940.0

α

MHz

MHz

MHz

MHz

MHz

MHz

MHz

10

27

— dB

20

27

— dB

1

26

— dB

38

42

— dB

5

27

— dB

13

18

— dB

7

12

— dB

Please read cautions and warnings and

important notes at the end of this document.

3 July 06, 2006

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