1842.5 MHz SAW Filter

75 MHz Bandwidth

Part Number: SF1843BA02542S

Spectrum Microwave

00 Nickerson Road, Marlborough MA, USA

•••• Phone 1-508-251-6400 •••• Fax 1-508-251-6401

www.SpectrumMicrowave.com

DSSF1843BA02542S Rev X3

28-July-2010

Page 2 of 3

SPECIFICATION

Parameter

Min

Typ

Max

Units

Center Frequency (Fc)

1

-

1842.5

-

MHz

Insertion Loss (1805 to 1880 MHz)

-

2.9

4.0

dB

Amplitude Ripple (1805 to 1880 MHz)

1.0

2.1

dB p-p

Input VSWR (1805 to 1880 MHz)

-

2.1

2.7

:1

Output VSWR (1805 to 1880 MHz)

-

2.0

2.7

:1

Attenuation (1 to 1200 MHz)

2

40

49

-

dB

Attenuation (1200 to 1705 MHz)

2

30

34

-

dB

Attenuation (1705 to 1785 MHz)

2

9

14

-

dB

Attenuation (1920 to 1980 MHz)

2

10

22

-

dB

Attenuation (1980 to 2200 MHz)

2

20

23

-

dB

Attenuation (2200 to 3000 MHz)

2

30

36

-

dB

Attenuation (3000 to 6000 MHz)

2

40

44

-

dB

Output Amplitude Balance (

-2

0

2

dB

Output Phase Balance (

-12

0

12

deg

Source Impedance

50 ohms unbalanced

Load Impedance

200 ohms balanced

Ambient Temperature

-

25

-

° C

Notes:

1. Fixed reference point.

2. Reference level from 0 dB.

3. Symmetry in band, referenced to the matched operating condition, 1805 to 1880 MHz).

MAXIMUM RATINGS

Parameter

Min

Typ

Max

Units

Storage Temperature Range

-40

25

85

˚C

Operating Temperature Range

-20

25

75

˚C

Input Power Level

-

10

13

dBm

MATCHING CIRCUIT

Notes:

1. Recommend use of 2% tolerance matching component. Typical Inductor Q=45.

2. Component value is for reference only and may change depending on board layout.