B39211-B3817-Z710 查看數據表（PDF） - EPCOS AG

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B39211-B3817-Z710

SAW Components Low-Loss Filter

EPCOS AG 

SAW Components

Low-Loss Filter

Data Sheet

B3817

208,0 MHz

Characteristics

Operating temperature range:

Terminating source impedance:

Terminating load impedance:

Nominal frequency

T = -40 ... 85 ˚C

ZS = 50 Ω and matching network

ZL = 200 Ω and matching network

min.

typ.

max.

fN

—

208,0

— MHz

Minimum insertion attenuation

αmin

(including matching network) fN ± 1,92 MHz

—

11,7

13,5 dB

Passband width

αrel ≤ 1 dB

B1dB

—

4,2

— MHz

Amplitude ripple (p-p)

∆α

fN ± 1,92 MHz

—

0,7

1,0 dB

Phase ripple (p-p)

∆ϕ

fN ± 1,92 MHz

—

7

10 ˚

Phase ripple (rms)

∆ϕ

fN ± 1,92 MHz

—

1,1

— ˚ rms

Absolute group delay

mean value withinfN ± 1,92 MHz

τmean

790

795

800 ns

Relative attenuation (relative to αmin)

αrel

fN ± 2,53 MHz ... fN ± 2,70 MHz

8

10

— dB

fN ± 2,70 MHz ... fN ± 2,75 MHz

15

20

— dB

fN ± 2,75 MHz ... fN ± 2,90 MHz

20

30

— dB

fN ± 2,90 MHz ... fN ± 3,30 MHz

25

30

— dB

fN ± 3,30 MHz ... fN ± 10 MHz

30

35

— dB

fN ± 10 MHz ... fN ± 28 MHz

40

50

— dB

fN ± 28 MHz ... fN ± 60 MHz

55

60

— dB

Input IP3

40

—

— dBm

Temperature coefficient of frequency1)

Turnover temperature

TCf

—

T0

—

– 0,036 — ppm/K2

25

— ˚C

1) Temperature dependance of fc: fc(TA) = fc(T0)(1 + TCf(TA – T0)2)

4 May 30, 2005

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