QSF-70C14     SAW-Filter     70.2 MHz

Application:  

Radio Communication, (Low Insert. Loss)

Specification

  

Centre Frequency Fo

70.2 MHz

Bandwidth @ 3 dB

700 ~ 900 kHz

Relative Attenuation

Fo   ±350 kHz

Fo   +1.15 MHz  ~  +1.65 MHz

Fo   -1.2 MHz  ~   -1.65 MHz

Fo   +1.65 MHz  ~  +2 MHz

Fo   -1.65 MHz  ~  -3 MHz

 

<   3 dB

Typ.   2 dB

> 20 dB

Typ. 26 dB

> 20 dB

Typ. 26 dB

> 35 dB

Typ. 38 dB

> 35 dB

Typ. 38 dB

Insertion Loss

< 7 dB

Typ.   5 dB

Group Delay Ripple

within  Fo ± 350 kHz

 

< ± 175 ns

Typ.± 125 ns

 


 
50 Test circuit

Pin

Function

#1,2, 3, 4

GND

#5

Output RF Return

#6,7

Output

#8

Output RF Return

#9, 10

GND

#11, 12

GND

#13

Input RF Return

#14

Input 

 

Terminal impedance:

    

Source

66 // -22pF

Load

50 matching network

 
Input power level:

0 dBm


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