B7837 datasheet(4/6 Pages) EPCOS

Part #	B7837

Description	Low-Loss Filter for Mobile Communication

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Manufacturer	EPCOS [EPCOS]

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4 / 6 page

4

Mar 31 2004

SAW Components

B7837

942,5 MHz

Low-Loss Filter for Mobile Communication

Data Sheet

Characteristics

Operating temperature range:

T

= -10 to +80 ˚C

Terminating source impedance:

ZS = 50 Ω

Terminating load impedance:

ZL = 150 Ω || 82 nH (balanced)

1) 2,2 dB for T= -30˚C to +85˚C

2) 17 dB for T= -30˚C to +85˚C

min.

typ.

max.

Center frequency

fC

—

942,5

—

MHz

Maximum insertion attenuation

α

max

925,0

... 960,0

MHz

—

1,5

2,01) dB

Amplitude ripple (p-p)

∆α

925,0

... 960,0

MHz

—

0,8

1,2

dB

Input VSWR

925,0

... 960,0

MHz

—

1,8

2,0

Output VSWR

925,0

... 960,0

MHz

—

1,8

2,0

Attenuation

0,0

... 480,0

MHz

45

53

—

dB

480,0

... 905,0

MHz

30

34

—

dB

905,0

... 915,0

MHz

202)

27

—

dB

980,0

...1000,0

MHz

25

29

—

dB

1000,0

...1850,0MHz

28

38

—

dB

1850,0

...6000,0MHz

40

44

—

dB

Amplitude balance

(|S31/S21|)

925,0

... 960,0

MHz

-1,0

-0,5 / +0,7

1,0

dB

phase balance

(φ(S31)−φ(S21)+180˚)

925,0

... 960,0

MHz

-5

-3 / +2

5

degree

Diff. to common mode suppression

Ssc12

925,0

... 960,0

MHz

22

29

—

dB

824,0

... 995,0

MHz

22

29

—

dB

1648,0

... 1990,0

MHz

22

45

—

dB

3296,0

... 3980,0

MHz

20

48

—

dB

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