SAW FILTER

HDF110M4

SMD-21

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Page 3 of 9

1. SCOPE

This specification shall cover the characteristics of SAW filter With 110M used for IF

applications.

2. ELECTRICAL SPECIFICATION

DC Voltage VDC

0V

AC Voltage Vpp

10V50Hz/60Hz

Operation temperature

-40℃ to +85℃

Storage temperature

-45℃ to +85℃

RF Power Dissipation

0dBm

Electronic Characteristics

2-1.Electrical characteristics

Parameter

Minimum Typical Maximum Unit

Center Frequency Fc(between -3dB points)

109.95

110.0

110.05

MHz

Insertion loss at 110.0 MHz

(Including loss in matching elements)

(Excluding losses due to matching)

12

8

14

10

dB

Bnd width

(Sweep:number of

point

801)

940

980

1900

2800

2060

4000

KHz

Group delay ripple(p-p)

(1. 50 ohm Matching；2. Average factor >16)

(3. Smoothing : On)

Fc-250KHz~Fc+250KHz

Fc-650KHz~Fc+650KHz

30

300

100

400

nsec.

Relative attenuation ( At Fc

0 dB)

Fc

……

Fc±0.20MHz

Fc±0.20KHz

……

Fc±0.30MHz

Fc±5,±6,±7,±8,±9,±10 MHz

35

0.4

0.8

47

1.0

1.5

dB

Temperature coefficient of frequency TCf

-18

ppm/K