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B9308

SAW Components SAW Rx 2in1 filter GSM 900 / GSM 1800

EPCOS AG 

SAW Components

SAW Rx 2in1 filter

Data sheet

B9308

942.5 / 1842.5 MHz

Characteristics of Filter 2 (GSM 900)

Temperature range for specification:

Terminating source impedance:

Terminating load impedance:

T = -20 ˚C to +85 ˚C

ZS = 50 Ω

ZL = 150 Ω || 82 nH (balanced)

Center frequency

Maximum insertion attenuation

925.0 ... 960.0

Amplitude ripple (p-p)

925.0 ... 960.0

Input VSWR

925.0 ... 960.0

Output VSWR

925.0 ... 960.0

fC

αmax

MHz

∆α

MHz

MHz

MHz

min.

—

—

—

—

—

typ.

@25˚C

942.5

max.

—

MHz

1.41) 2.12) dB

0.7 1.33) dB

1.8

2.1

1.9

2.2

Output amplitude balance (|S31/S21|)

925.0 ... 960.0 MHz

Output phase balance (φ(S31)−φ(S21)+180˚)

925.0 ... 960.0 MHz

Attenuation

10.0 ... 480.0

480.0 ... 905.0

905.0 ... 915.0

980.0 ... 1000.0

1000.0 ... 1850.0

1850.0 ... 1920.0

1920.0 ... 3700.0

3700.0 ... 6000.0

α

MHz

MHz

MHz

MHz

MHz

MHz

MHz

MHz

1) Typical value excluding PCB losses of 0.16 dB.

2) 1.9 dB at 25 ˚C.

3) 1.2 dB at 25 ˚C.

–1.0 -0.5/0.5 1.0 dB

–10 -1/+2 10 ˚

45

52

— dB

30

33

— dB

20

26

— dB

26

28

— dB

28

33

— dB

40

56

— dB

35

46

— dB

40

50

— dB

Please read cautions and warnings and

important notes at the end of this document.

6 August 15, 2006

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