B1709 Просмотр технического описания (PDF) - EPCOS AG

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производитель

B1709

SAW Components

EPCOS AG 

SAW Components

SAW IF filter

Data sheet

Characteristics

Temperature range for specification:

Terminating source impedance:

Terminating load impedance:

B1709

80.46 MHz

T = –40 ˚C to (+85 ˚C) +105 ˚C

ZS = 27 Ω and matching network

ZL = 1 kΩ and matching network

Nominal frequency

min.

typ.

max.

@ 25 ˚C

fN

—

80.46

—

MHz

Minimum insertion attenuation1)

αmin

—

18.1

19.6 dB

Maximum voltage gain source – load

(VL/VS)

αvgsl

–8.8

–7.3

—

dB

Amplitude ripple (p-p)

∆α

fN ± 1.84 MHz

—

0.9 (1.3) 1.8 dB

Pass bandwidth

αrel ≤ 1.5 dB

αrel ≤ 3 dB

αrel ≤ 15 dB

αrel ≤ 30 dB

B1.5dB

—

B3dB

—

B15dB

—

B30dB

—

4.3

—

MHz

4.6

—

MHz

5.5

6.0 MHz

6.1

6.5 MHz

Mean attenuation (relative to αmin)

αrel

Upper sidelobe 86.47 ... 91.53 MHz

50.0

54.0

—

dB

Relative attenuation (relative to αmin) αrel

Lower sidelobe 55.00 ... 67.00 MHz

67.00 ... 75.99 MHz

Upper sidelobe 85.21 ... 86.47 MHz

86.47 ... 91.53 MHz

91.53 ... 95.21 MHz

95.21 ... 105.00 MHz

48.0

39.0

40.0

45.0

46.0

46.0

54.0

43.0

49.0

49.0

52.0

52.0

—

dB

—

dB

—

dB

—

dB

—

dB

—

dB

Group delay ripple (p–p)

∆τ

Aperture 50 kHz

fN ± 1.84 MHz

—

190

Temperature coefficient of frequency TCf

—

–18

1) Including losses in the matching network

—

ns

—

ppm/K

Please read cautions and warnings and

important notes at the end of this document.

3 May 16, 2006

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