B4234 datasheet(5/10 Pages) EPCOS

5 / 10 page

February 10, 2009

B4234

881.5/1960.0 MHz

SAW Components

SAW RF filter

Data sheet

Please read

cautions and warnings and

important notes at the end of this document.

Characteristics Filter 2 (GSM1900)

Operating temperature range:

= +25 ˚C

± 2˚C

Terminating source impedance:

ZS =50 Ω (unbalanced)

Terminating load impedance:

ZL = 150 Ω (balanced) || 12 nH

min.

typ.

@ 25 ˚C

max.

Center frequency

—

1960.00

—

MHz

Maximum insertion attenuation

max

1930.00 ... 1990.00 MHz

—

2.2

2.5

Amplitude ripple (p-p)

∆α

1930.00 ... 1990.00 MHz

—

0.6

1.0

Input VSWR

1930.00 ... 1990.00 MHz

—

1.7

2.0

Output VSWR

1930.00 ... 1990.00 MHz

—

1.7

2.0

Output amplitude balance

(|S31/S21|)

1930.00 ... 1990.00 MHz

–1.3

1.3

Output phase balance

(φ(S31)−φ(S21)+180˚)

1930.00 ... 1990.00 MHz

–12.0

8.0

degree

Attenuation

10.00 ... 1510.00 MHz

—

1510.00 ... 1820.00 MHz

—

1820.00 ... 1880.00 MHz

—

1880.00 ... 1910.00 MHz

—

2020.00 ... 2080.00 MHz

—

2080.00 ... 2400.00 MHz

—

2400.00 ... 4500.00 MHz

—

4500.00 ... 6000.00 MHz

—

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