2005. 7. 18 1/2 saw filter technical data KF426BV specifications for saw filter revision no : 0 sc-44 a b c f e d 1.35 0.23 3.8 0.15 3.8 0.15 1.27 typ. 0.6 typ. 2.54 typ. dim millimeters g h 1.80 typ. 1.00 typ. function ground signal signal 1 pin no 3 6 4 2 5 r r0.15 typ. a b c g h d e f r r 1 2 36 5 4 r + _ + _ + _ band pass filters for 400mhz 500mhz band. high stability and reliability with good performance and no adjustment. wide and sharp pass band characteristics. low insertion loss and deep stop band attenuation for interference. terminating impedance : 150 //0pf maximum ratings marking k e g lot no. item symbol rating unit input signal level is max 0 dbm dc permissive voltage v dc +10 v operating temperature range t opr -10 +50 storage temperature range t stg -30 +85 electrical characteristics items symbol test condition min. typ. max. unit nominal center frequency fo - - 426 - mhz bandwidth bw 3db - f o 2.0 - - mhz insertion loss il pass f o 2.0mhz - - 4.0 db ripple level a rip f o 2.0mhz - - 2.0 db rejection level il stop f o -100~f o -40.8mhz 55 - - db f o +30~f o -100mhz 55 - - db input/output impedance z i (z o ) - - 150 //0pf - -
2005. 7. 18 2/2 KF426BV revision no : 0 r s rr r l det ssg z i z o 3 ssg 24 3 1 : input ,, r r s r 6 : ground , 2 5 6 : output 5 det l 1 4 r z i z o test circuit reference level test circuit r s , r l : 50 (internal impedance of source and load) r : 100 z 1 (z o )=r s (r l )+r measurement circuit r s , r l : 50 (internal impedance of source and load) r : 100 z 1 (z o )=r s (r l )+r
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