C61157-A7-A54 Ver la hoja de datos (PDF) - EPCOS AG

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C61157-A7-A54

SAW Components Low-Loss Filter

EPCOS AG 

SAW Components

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature range:

Terminating source impedance:

Terminating load impedance:

B3804

170,2 MHz

T = -10 .. 85 ˚C

ZS = 50 Ω unbalanced or 200 Ω balanced

and matching network

ZL = 50 Ω unbalanced or 200 Ω balanced

and matching network

Nominal frequency

Minimum insertion attenuation

min.

fN

—

αmin

—

typ.

170,2

6,5

max.

—

MHz

7,5

dB

Amplitude ripple (p-p)

fN ± 135 kHz

∆α

—

0,35

0,7

dB

Group delay ripple (p-p)

∆τ

fN ± 135 kHz

—

0,35

0,7

µs

Relative attenuation (relative to αmin)

αrel

fN ± 0,35 MHz ... fN ± 0,6 MHz

7

11

—

dB

fN ± 0,6 MHz ... fN ± 0,8 MHz

24

30

—

dB

fN ± 0,8 MHz ... fN ± 1,6 MHz

40

45

—

dB

fN ± 1,6 MHz ... fN ± 20,0 MHz

43

50

—

dB

fN ± 20,0 MHz ... fN ± 35,0 MHz

50

55

—

dB

fN ± 35,0 MHz ... fN ± 75,0 MHz

45

60

—

dB

fN + 23,5 MHz ...

fN + 75,0 MHz ...

fN + 23,7 MHz

fN + 2,0 GHz

55

60

—

dB

40

60

—

dB

VSWR (Input and output)

fN ± 135 kHz

—

1,5

2,0

Temperature coefficient of frequency 1)

Turnover temperature

TCf

—

T0

—

–0,036

45

— ppm/K2

—

˚C

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

3 Apr 05, 2001

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