B9312 datasheet(7/12 Pages) EPCOS

7 / 12 page

May 31, 2006

B9312

836.5 / 1880.0 MHz

SAW Components

SAW Tx 2in1 Filter

Data Sheet

Please read

cautions and warnings and

important notes at the end of this document.

Characteristics filter 2 (WCDMA band II)

Temperature range for specification:

= –15 ˚C to +80 ˚C

Terminating source impedance:

ZS = 100 Ω (balanced) || 18nH

Terminating load impedance:

ZL =50 Ω (unbalanced)

min.

typ.

@ 25 ˚C

max.

Center frequency

—

1880.0

—

MHz

Maximum insertion attenuation

max

1850.0

... 1910.0

MHz

—

2.4

3.8

Amplitude ripple (p-p)

∆α

1850.0

... 1910.0

MHz

—

1.0

2.4

Input VSWR

1850.6

... 1909.4

MHz

—

1.8

2.3

Output VSWR

1850.6

... 1909.4

MHz

—

1.8

2.3

Input amplitude balance (|S31/S21|)

1850.0

... 1910.0

MHz

–1.1

–0.7/0.7

1.1

Input phase balance (

φ(S

31) – φ(S21)+180˚)

1850.0

... 1910.0

MHz

–10.0

–3/+3

10.0

Common mode suppression

Scs21

1850.0

... 1910.0

MHz

23.0

29.0

—

Attenuation

0.0

... 1580.0

MHz

45.0

54.0

—

1580.0

... 1770.0

MHz

30.0

42.0

—

1770.0

... 1830.0

MHz

18.0

36.0

—

1930.6

... 1990.0

MHz

33.01)

1) Attenuation of WCDMA signal determined by

with fC ranging from 1932.4 MHz (lowest Rx channel) to 1987.6 MHz (highest Rx channel).

HRRC(f) is the transfer function of the root-raised cosine transmit pulse shaping filter according

to 3GPP TS 25.101 with the following normalization:

35.7

—

1990.0

... 2500.0

MHz

30.0

35.5

—

2500.0

... 6000.0

MHz

30.0

40.0

—

d21 f

()H

RRC ff C

–

()

∞

∫

RRC f

()

∞

∫

B9312 Datasheet(PDF) 7 Page - EPCOS

B9312 Datasheet(HTML) 7 Page - EPCOS

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12

Datasheet Download

Link URL