SAW  FILTERS

The SAW filters are used in the radiotechnical eguipment, in TV communication systems, mobile phones, etc.

Specifications

Frequency range 10…1000 MHz
Minimal dimensions 0.9…1,8 mm
Relative  pass band 0,1…40%
Losses within the pass band 2…20 dB
Guaranteed attenuation 30…50 dB
Operating  temperature minus 40 0C…+  800C

 SAW FILTERS FOR MOBILE PHONES

 

Nominal frequency 210 MHz
Pass bandwidth minus 5 dB 630 kHz
Ripple within ±300 kHz 1 dB
Insertion Loss 10 dB
Attenuation bandwidth at a level minus 40 dB ±1,25 MHz
Guaranteed attenuation 40 dB
Input impedance 1000 Ohm
Output impedance 500 Ohms
Operating temperature minus 30 0C …+  800C
Dimensions 13,8×8,0x2,0 mm

“BOXCAR” – The series narrow-band SAW filters, which have different central frequencies, with LC matching circuits of input and output is proposed .

Filters Input and output is strip line.

Produced three groups of filters

group A 30,30…89,50 MHz
group B 227,45…396,30 MHz
group С 11,00…134,80 MHz
SAW  FILTERS

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