B5002 データシートの表示（PDF） - EPCOS AG

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B5002

IF Filters for Basestations

EPCOS AG 

SAW Components

Low-Loss Filter

Data Sheet

B5002

398,0 MHz

Characteristics

Operating temperature range:

Terminating source impedance:

Terminating load impedance:

Nominal frequency

T = -40 .. +85 ˚C

ZS = 50 Ω unbalanced and matching network

ZL = 50 Ω unbalanced and matching network

min.

typ.

max.

fN

—

398,0

— MHz

Minimum insertion attenuation

fN - 7,50 MHz ... fN + 7,50 MHz

αmin

—

3,3

4,0 dB

Maximum insertion attenuation (in passband) αmax

fN - 7,50 MHz ... fN + 7,50 MHz

—

3,8

5,0 dB

Pass bandwidth

αrel ≤ 1,0 dB

B1,0dB

20

26

— MHz

Amplitude ripple (p-p)

fN - 1,92 MHz ... fN + 1,92 MHz

fN - 7,50 MHz ... fN + 7,50 MHz

∆α

—

0,2

0,5 dB

—

0,4

1,0 dB

Deviation from linear phase (rms)

fN - 1,92 MHz ... fN + 1,92 MHz

fN - 7,50 MHz ... fN + 7,50 MHz

∆ϕ

—

0,1

0,5 ˚

—

1,0

3,0 ˚

Relative attenuation (relative to αmin)

100 MHz ... 335 MHz

335 MHz ... 338 MHz

338 MHz ... 365 MHz

365 MHz ... 368 MHz

448 MHz ... 3 GHz

αrel

15

60

— dB

38

60

— dB

15

60

— dB

35

45

— dB

15

45

— dB

Input return loss (in passband)

fN - 7,50 MHz ... fN + 7,50 MHz

Output return loss (in passband)

fN - 7,50 MHz ... fN + 7,50 MHz

6

8

— dB

8

10

— dB

Temperature coefficient of frequency

TCf

—

– 70

— ppm/K

3 Jun 25, 2004

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