B1729 datasheet(3/10 Pages) EPCOS

3 / 10 page

February 19, 2010

B1729

80.46 MHz

SAW Components

SAW IF filter

Data sheet

Please read

cautions and warnings and

important notes at the end of this document.

Characteristics

Temperature range for specification:

= –40 ˚C to (+85 ˚C) +105 ˚C

Terminating source impedance:

ZS =27 Ω and matching network

Terminating load impedance:

ZL =

1 k

Ω and matching network

min.

typ.

@ 25 ˚C

max.

Nominal frequency

—

80.46

—

MHz

Minimum insertion attenuation1)

1) Including losses in the matching network

min

—

18.1

19.6

Maximum voltage gain source – load

(VL/VS)

vgsl

–8.8

–7.3

—

Amplitude ripple (p-p)

∆α

fN ± 1.84 MHz

—

0.9

(1.3) 1.8

Pass bandwidth

rel ≤ 1.5 dB

B1.5dB

—

4.3

—

MHz

rel ≤ 3 dB

B3dB

—

4.6

—

MHz

rel ≤ 15 dB

B15dB

—

5.5

6.0

MHz

rel ≤ 30 dB

B30dB

—

6.1

6.5

MHz

Mean attenuation (relative to

min)

rel

Upper sidelobe 86.47 ...

91.53 MHz

50.0

54.0

—

Relative attenuation (relative to

min)

rel

Lower sidelobe 55.00 ...

67.00 MHz

48.0

54.0

—

67.00 ...

75.99 MHz

39.0

43.0

—

Upper sidelobe 85.21 ...

86.47 MHz

40.0

49.0

—

86.47 ...

91.53 MHz

45.0

49.0

—

91.53 ...

95.21 MHz

46.0

52.0

—

95.21 ...

105.00 MHz

46.0

52.0

—

Group delay ripple (p–p)

∆τ

Aperture 50 kHz

fN ± 1.84 MHz

—

190

—

Temperature coefficient of frequency

TCf

—

–18

—

ppm/K

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