f e a t u r e s applica tions standard specifications s m a ll s iz e s u r fa c e m o u n te d lo w in s e rt io n lo s s s in g le pa c ka g e 4 -p o le uhf & vh f r ad io wir ele ss telem etr y wir ele ss lan page rs s p e c i f y s u r f a c e m o u n t e d m o n o l i t h i c c r y s t a l f i l t e r s 2 1 . 4 m h z & 4 5 m h z q u a r t z c r y s t a l f i l t e r s q u a r t z b a s e d f r e q u e n c y c o n t r o l c o m p o n e n t s o r d e r h o t l i n e + 4 4 1 2 9 3 5 2 4 2 4 5 w w w .a e lc r y s ta ls .c o .u k s a le s @ a e lc r y s ta ls .c o .u k 5 . 0 + / - 0 . 2 7 . 0 + / - 0 . 2 1 .0 1 . 3 m a x 4 .6 1 2 3 4 1 2 2.54 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 23 4 5 6 gnd gndout gnd gnd gnd connected to 5in/out gnd connected to 2 out/in pin 2-pole 4-pole solder pattern 6. 0 2. 54 4. 0 2. 2 1. 4 internal connection model centre frequency no poles passband width at -3db rippl e insertion loss ter min ating impedence qty per filter (mh z) (khz) (db) (db) (db) (khz) (db) (f0~+/-khz) (kohm//pf) 21ms7.5a 2 1 1.5 18.0 +/-18 50 -910 +/ -10 0.85//6.0 1 21ms7.5b 4 1 2.5 35 +/-14 80 -910 +/ -10 0.85//3.5 2 45msf7.5a 45.000 fundamental 2 1.0 2.0 10.0 +/-12.5 70 -910 +/ -10 0.20//4 1 21ms 15a 2 1 1.5 15.0 +/-45 50 -910 +/ -10 3//0.5 1 +200 ~ +1,000 -200 ~ -1,000 45msf15a 2 1.0 4.0 15.0 +/-25 70 -910+-10 % 0.65//3 1 90 -200 ~ -1,000 70 +200 ~ +600 20 +600 ~ +1,000 +/-3.75 21.40000 4 21.40000 +/-7.5 stopban d widt h guarante ed atten uation 1.5//1. 5 1 70 +/-25 35.0 21ms 15b +/-25 30.0 4.0 1.0 4 45.000 fundamental 45msf15b 0.9//2.0 1 3.0 1 50 w w w . a e l c r y s t a l s . c o . u k
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