QSF-71M8     SAW-Filter     71 MHz

Application:  

Mobile Com. Syst. for GSM, DCS & PCS

Specification

  

Centre Frequency Fo

71.0 MHz

Band width @ 1 dB
Band width @ 1.5 dB

> 130 kHz

Typ. 170 kHz

> 165 kHz

Typ. 210 kHz

Relative Attenuation

Fo   ± 200 kHz  ~  ± 400 kHz

Fo   ± 400 kHz  ~  ± 600 kHz

Fo   ± 600 kHz  ~  ± 1.6 MHz

Fo   ±1.6 MHz  ~  ± 13 MHz

Fo   ± 13 MHz  ~  ± 25 MHz

 

> 4 dB

> 20 dB

> 25 dB

> 35 dB

> 40 dB

Insertion Loss

< 8 dB

Typ. 5.5 dB

Group Delay Ripple

within  Fo ± 80 kHz

 

< 300 ns

Typ. 50 ns

 


 
50 Test circuit

Pin

Function

#1

Input 1

#2, 6, 9, 13

Package GND

#7

Output 1

#8

Output 2

#14

Input 2

 

Terminal impedance:

    

Source

50 matching network

Load

50 matching network

 
Input power level:

-10 dBm

 
Operating temperature:

-20° ~ +70°C


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