B7728 データシートの表示（PDF） - EPCOS AG

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B7728

SAW Components Low-Loss Filter 2140,0 MHz

EPCOS AG 

SAW Components

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature range:

Terminating source impedance:

Terminating load impedance:

Nominal frequency

B7728

2140,0 MHz

TA = -30 ... +85 ˚C

ZS = 50 Ω unbal.

ZL = 100 Ω bal. || 33 nH **)

min.

typ.

fN

— 2140,0

max.

— MHz

Maximum insertion attenuation

2110,0 MHz ... 2170,0 MHz

αmax

—

2110,0 MHz ... 2170,0 MHz *)

—

2,3

2,9 dB

2,3

2,7 dB

Amplitude ripple in passband (p-p)

∆α

2110,0 MHz ... 2170,0 MHz

—

Amplitude ripple per 5MHz (p-p)

∆α

2110,0 MHz ... 2170,0 MHz

—

0,6

1,0 dB

0,3

0,5 dB

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

2110,0 MHz ... 2170,0 MHz

Output amplitude balance (|S31/S21|)

2110,0 MHz ... 2170,0 MHz

-8 -3/+3

+8 ˚

-1,9 -0,5/+1,2 +1,9 dB

Input VSWR

∆α

2110,0 MHz ... 2170,0 MHz

—

Output VSWR

∆α

2110,0 MHz ... 2170,0 MHz

—

1,6

2,0

1,8

2,1

Absolute attenuation

α

50,0 MHz ... 849,0 MHz

849,0MHz ... 1350,0 MHz

1350,0 MHz ... 1980,0 MHz

1980,0 MHz ... 2025,0 MHz

2025,0 MHz ... 2050,0 MHz

2215,0 MHz ... 2255,0 MHz

2255,0 MHz ... 2285,0 MHz

2285,0 MHz ... 2400,0 MHz

2400,0 MHz ... 3910,0 MHz

3910,0 MHz ... 5645,0 MHz

45

52

40

48

35

40

30

34

15

30

15

23

20

21

22

25

30

35

40

45

— dB

— dB

— dB

— dB

— dB

— dB

— dB

— dB

— dB

— dB

*) TA= +25 ˚C

**) or a 0,6 nH serial inductance in each branch of the balanced output, which might be integrated

into PCB.

4 January 18, 2005

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