C61157-A7-A94 Ver la hoja de datos (PDF) - EPCOS AG

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C61157-A7-A94

SAW Components Low-Loss Filter

EPCOS AG 

SAW Components

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature range:

Terminating source impedance:

Terminating load impedance:

Nominal frequency

B5007

143,25 MHz

T= 0 .. 70 ˚C

ZS= 50 Ω unbalanced and matching network

ZL= 50 Ω unbalanced and matching network

min.

typ.

max.

fN

—

143,25

— MHz

Minimum insertion attenuation

(including matching network)

αmin

—

18,5

22,0 dB

Passband width

αrel ≤ 1,5 dB

B1,5dB 3,78

Amplitude ripple (p-p)

∆α

fN ± 1,89 MHz

—

fN ± 1,85 MHz

—

Group delay ripple (p-p)

∆τ

fN ± 1,875 MHz

—

fN ± 1,775 MHz

—

Difference of mean group delay in adj. channel 1)

fN + k∗1,25 MHz ∆τch

—

Absolute Group delay

fN ± 1,875 MHz τ

1,8

Phase Linearity1) (rms)

∆ϕ

fN + k*1,25 MHz ± 0,625 MHz

—

Average Error Vector Magnitude1)

EVM

fN + k*1,25 MHz ± 0,625 MHz

—

Relative attenuation (relative to αmin)

αrel

fN ± 2,13 MHz ... fN ± 2,93 MHz

22

fN ± 2,93 MHz ... fN ± 35 MHz

35

fN ± 35 MHz ... fN ± 45 MHz

40

3,95

1,0

0,6

300

150

8

2,0

1,0

2,5

27

40

55

— MHz

1,5 dB

1,0 dB

400 ns

220 ns

30 ns

2,35 µs

2,0 ˚

4,0 %

— dB

— dB

— dB

Temperature coefficient of frequency2)

Turnover temperature

TCf

—

– 0,036

T0

—

35

1) k = (-1,0,1)

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

— ppm/K2

— ˚C

3 Jun 08, 2004

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