B7955 datasheet(3/11 Pages) EPCOS

3 / 11 page

February 1, 2010

B7955

1880.0 / 1960.0 MHz

SAW Components

BAW/SAW Duplexer

Data sheet

Please read

cautions and warnings and

important notes at the end of this document.

Characteristics

Temperature range for specification:

= –10 ˚C to +85 ˚C

ANT terminating impedance:

ZANT =50 Ω

RX terminating impedance:

ZRX = 100 Ω (balanced) || 15 nH

TX terminating impedance:

ZTX =50 Ω

Characteristics TX - ANT

min.

typ.

@ 25˚C

max.

Center frequency

———

MHz

Maximum insertion attenuation

@fCarrier 1852.4 ... 1907.6MHz

WCDMA

1) Attenuation of WCDMA signal (“Powertransferfunction”). Please refer to annotation on page (6).

—

2.3

3.0

@fCarrier 1852.4 ... 1907.6MHz

WCDMA

—

2.3

2.72)

2) Valid for reduced temperature range +10 ˚C to +40 ˚C.

Amplitude ripple (p-p)

@fCarrier 1852.4 ... 1907.6MHz

WCDMA

—

1.3

1.8

Error Vector Magnitude

@fCarrier 1852.4 ... 1907.6MHz EVM3)

3) Error Vector Magnitude (EVM) based on definition given in 3GPP TS 25.141.

—

1.3

4.0

@fCarrier 1852.4 ... 1907.6MHz EVM3)

—

1.3

3.04)

4) Valid for reduced temperature range +10 ˚C to +85 ˚C.

Input VSWR (TX port)

1850.0

... 1910.0 MHz

—

1.8

2.3

Output VSWR (ANT port)

1850.0

... 1910.0 MHz

—

1.8

2.2

Attenuation

470.0

...

750.0 MHz

—

1450.0

... 1480.0 MHz

—

1570.0

... 1580.0 MHz

—

1670.0

... 1675.0 MHz

—

1770.0

... 1824.0 MHz

—

1824.0

... 1830.0 MHz

—

@fCarrier 1932.4 ... 1987.6MHz

WCDMA

—

2400.0

... 2500.0 MHz

—

3700.0

... 3820.0 MHz

—

3820.0

... 5150.0 MHz

—

5150.0

... 5550.0 MHz

—

5550.0

... 5730.0 MHz

—

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