B7680 datasheet(4/12 Pages) EPCOS

4 / 12 page

June 06, 2008

B7680

1732.5 / 2132.5 MHz

Please read

cautions and warnings and

important notes at the end of this document.

SAW Components

SAW Duplexer

Data Sheet

Characteristics

Temperature range for specification:

= –20 ˚C to +85 ˚C

Antenna terminating impedance:

ZANT=50 Ω

RX terminating impedance:

ZRX = 100 Ω

TX terminating impedance:

ZTX =50 Ω

Characterisitcs ANT - RX

min.

typ.

@ 25 ˚C

max.

Center frequency

2132.5

MHz

Maximum insertion attenuation

@fcarrier2112.4 ... 2152.6 MHz

WCDMA

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

2.1

2.5

Amplitude ripple (p-p)

@fcarrier2112.4 ... 2152.6 MHz

∆α

WCDMA

0.3

1.0

Amplitude ripple (p-p)

per 5 MHz-channel

2110.0

... 2155.0

MHz

∆α

0.2

0.5

Error Vector Magnitude

@fcarrier2112.4 ... 2152.6 MHz EVM2)

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

0.5

2.0

Input VSWR (ANT port)

2110.0

... 2155.0

MHz

1.6

2.0

Output VSWR (RX port)

2110.0

... 2155.0

MHz

1.8

2.0

Output phase balance (

φ(S31)−φ(S21)+180˚)

2110.0

... 2155.0

MHz

-10

-7

degree

Output amplitude balance (|S31/S21|)

2110.0

... 2155.0

MHz

-1.0

0.5

1.0

IMD Product Level Limits

at fTX = 1732.5 MHz fRX = 2132.5 MHz3)

3) Power levels: 21 dBm Tx signal, -15dBm blocker at antenna port.

Blocker 1

400 MHz

-123

-106

dBm

Blocker 2

2 fTX +400 MHz

-112

-106

dBm

Blocker 3

fTX -400 MHz

-114

-109

dBm

Blocker 4

3 fTX + 400 MHz

-125

-109

dBm

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