B7641 查看數據表（PDF） - EPCOS AG

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B7641

SAW Components SAW Duplexer 2100 MHz WCDMA Band I (UMTS)

EPCOS AG 

SAW Components

SAW Duplexer

Data sheet

Characteristics

Operating temperature range:

Antenna terminating impedance:

RX terminating impedance:

TX terminating impedance:

B7641

1950.0 / 2140.0 MHz

T = –15 ˚C to +80 ˚C

ZANT=

ZRX =

ZTX =

50 Ω

50 Ω

50 Ω

Characterisitcs ANT - RX

Center frequency

min. typ. max.

@ 25 ˚C

fC

— 2140.0 — MHz

Maximum insertion attenuation

αmax

2110.0 ... 2115.0 MHz

—

2.4

3.2 dB

2115.0 ... 2170.0 MHz

—

2.2

2.8 dB

Amplitude ripple (p-p)

∆α

2110.0 ... 2170.0 MHz

—

0.9

1.7 dB

2115.0 ... 2170.0 MHz

—

0.7

1.3 dB

Amplitude ripple (p-p)

per 5 MHz-channel

∆αch

2110.0 ... 2115.0 MHz

—

0.5

0.7 dB

2115.0 ... 2170.0 MHz

—

0.3

0.55 dB

Input VSWR (ANT port)

2110.0 ... 2170.0 MHz

—

1.7

2.0

Output VSWR (RX port)

2110.0 ... 2170.0 MHz

—

2.0

2.4

Attenuation

0.3

1730.0

1920.0

2400.0

4030.0

4220.0

... 1730.0

... 1790.0

... 1980.0

... 2500.0

... 4150.0

... 4340.0

α

MHz

MHz

MHz

MHz

MHz

MHz

30

39

— dB

37

39

— dB

45

49

— dB

35

48

— dB

25

36

— dB

25

34

— dB

Please read cautions and warnings and

important notes at the end of this document.

4 March 17, 2006

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