C61157-A7-A55 데이터 시트보기 (PDF) - EPCOS AG

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C61157-A7-A55

SAW Components Low-Loss Filter

EPCOS AG 

SAW Components

Low-Loss Filter

Data Sheet

Characteristics

Operating temperature:

Terminating source impedance:

Terminating load impedance:

Group delay aperture

B3605

70,00 MHz

T = -40 ˚C... 85 ˚C

ZS = 50 Ω and matching circuit(Balanced)

ZL = 50 Ω and matching circuit(Balanced)

80 kHz

Center frequency

(Center between 6dB points)

Insertion attenuation at fC

min.

typ.

max.

fC

69,50 70,00 70,50 MHz

αC

—

9,8

10,8 dB

Amplitude ripple (p-p)

∆α

67,00 ... 73,00 MHz

—

0,6

1,0 dB

Phase ripple (p-p)

∆ϕ

65,50 ... 74,50 MHz

—

17,0

20,0 ˚

Pass bandwidth

αrel ≤ 1 dB

αrel ≤ 3 dB

αrel ≤ 30 dB

B1dB

B3dB

B30dB

Relative attenuation (relative to αC)

αrel

50,00 ... 62,50 MHz

62,50 ... 63,00 MHz

77,00 ... 77,50 MHz

77,50 ... 90,00 MHz

8,1

9,1

—

43

34

26

35

8,3

9,3

12,8

45

38

35

38

— MHz

— MHz

13,2 MHz

— dB

— dB

— dB

— dB

Group delay at fC

τC

Group delay ripple (p-p)

∆τ

65,50 ... 74,50 MHz

Temperature coefficient of frequency

TCf

—

1,1

— µs

—

80

—

– 87

200 ns

— ppm/K

4 Jul 09, 2003

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