B7642 查看數據表（PDF） - EPCOS AG

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B7642

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:

B7642

1950.0 / 2140.0 MHz

T = –15 ˚C to +80 ˚C

ZANT=

ZRX =

ZTX =

50 Ω

50 Ω

50 Ω

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)

per 5 MHz-channel

∆αch

1920.0 ... 1980.0 MHz

—

Input VSWR (TX port)

1920.0 ... 1980.0 MHz

—

Output VSWR (ANT port)

1920.0 ... 1980.0 MHz

—

1.6

2.0 dB

0.45 1.0 dB

0.25 0.5 dB

2.0

2.3

1.7

2.0

Attenuation

0.3

2110.0

2400.0

3840.0

... 1790.0

... 2170.0

... 2500.0

... 3960.0

α

MHz

MHz

MHz

MHz

30

32

— dB

40

45

— dB

25

31

— dB

20

23

— dB

Please read cautions and warnings and

important notes at the end of this document.

3 March 17, 2006

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