B7676 datasheet(5/14 Pages) EPCOS

5 / 14 page

August 09, 2010

B7676

1767.4 / 1862.4 MHz

SAW Components

SAW Duplexer

Preliminary Data

Please read

cautions and warnings and

important notes at the end of this document.

Characteristics

Temperature range for specification:

= –20 ˚C to +85 ˚C

Antenna terminating impedance:

ZANT=50 Ω || 4.1 nH

RX terminating impedance:

ZRX = 100 Ω (balanced) || 8.2 nH

TX terminating impedance:

ZTX =50 Ω

Characterisitcs ANT - RX

min.

typ.

@ 25 ˚C

max.

Center frequency

—

1862.4

—

MHz

Maximum insertion attenuation

1844.9

... 1879.9

MHz

2.0

2.4

@fcarrier1847.4 ... 1877.4 MHz

WCDMA

1) Attenuation of WCDMA signal(“Powertransferfunction“).Please refer to annotation on page (7).

1.9

2.4

Amplitude ripple(p-p)

1844.9

... 1879.9

MHz

0.6

0.8

@fcarrier1847.4 ... 1877.4 MHz

WCDMA

0.5

0.8

Common Mode Rejection Ratio CMRR

1844.9

... 1879.9

MHz

232)

2) A combination of 10o phase balance and 1dB amplitude balance corresponds to 19.6 dB CMRR.

Input VSWR (ANT port)

1844.9

... 1879.9

MHz

1.5

2.0

Output VSWR (RX port)

1844.9

... 1879.9

MHz

1.5

2.0

Attenuation

10.0

... 1750.0

MHz

1749.9

... 1784.9

MHz

@fcarrier1752.4 ... 1782.4 MHz αWCDMA1)

1965.0

... 2400.0

MHz

2400.0

... 2484.0

MHz

2484.0

... 5650.0

MHz

IMD Product Level Limits3)

at fTX = 1749.9~1784.9 MHz

3) IMD product level limits for power levels PTX=21.5dB (antenna port output power) and PBLOCK-

=-15dBm (antenna port input power).

Blocker 1

95.0

MHz

-130

-105

dBm

Blocker 2

1672.4

MHz

-123

-108

dBm

Blocker 3

3629.8

MHz

-124

-105

dBm

Blocker 4

5397.2

MHz

-129

-108

dBm

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