$ e s i g n a n d s p e c i l c a t i o n s a r e s u b j e c t t o c h a n g e w i t h o u t n o t i c e ! s k f a c t o r y f o r t e c h n i c a l s p e c i l c a t i o n s b e f o r e p u r c h a s e a n d o r u s e 7 h e n e v e r a d o u b t a b o u t s a f e t y a r i s e s f r o m t h i s p r o d u c t p l e a s e c o n t a c t u s i m m e d i a t e l y f o r t e c h n i c a l c o n s u l t a t i o n hybrid components dimensions in mm (not to scale) balun we accomplish the advanced characteristics of low insertion loss and high isolation,the miniaturization and high performance by our -wave circuit simulation and fine line printing technologies. features ultra miniaturized, thin type ( 1.6 0.8 t 0.55 ) available for each frequency range ( 100 mhz to 4000 mhz ) balanced / unbalanced converter impedance matching ( 50 / 200 , 50 / 100 ) typical characteristics part no. ehffd ehffd ehffd ehffd ehffd ehffd ehffd ehffd ehffd ehffd ehffd ehffd ehffd ehffd 1750a 1622 1620 1629 1624b 1624d 1624 1615 1621 1626 1618 1619 1627 1631 frequency 1700 to 700 to 900 to 1550 to 1600 to 1800 to 3400 to 670 to 1100 to 1600 to 700 to 1200 to 1546 to 1621 1805 to 1880 ( mhz ) 1950 900 1350 2000 1950 2000 4000 900 1450 1800 1300 2200 1806 to 1990 1930 to 1990 insertion loss 1.0 1.0 1.0 0.8 1.0 1.0 2.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 ( db ) max.max.max.max.max.max.max.max.max.max.max.max.max. max. difference of phase ( deg ) 180 15 180 15 180 15 180 10 180 15 180 15 180 15 180 15 180 15 180 15 180 15 180 15 180 15 180 20 impedance 50/200 50/200 50/200 50/50 50/200 50/200 50/200 50/200 50/200 50/200 50/50 50/50 50/50 50/50 ( ) circuit diagram fig. 1 fig. 1 fig. 1 fig. 2 fig. 1 fig. 1 fig. 1 fig. 1 fig. 1 fig. 1 fig. 2 fig. 2 fig. 3 fig. 4 size ( mm ) 1.6 0.8 1 .6 1.6 1 .6 1.6 1 .6 1.6 1 .6 1.6 1 .6 1.6 1 .6 1.6 3 .2 1.6 3 .2 1.6 3 .2 1.6 3 .2 1.6 3 .2 1.6 3 .2 1.6 3.2 1.6 construction no. 1 2 2 2 2 2 2 3 3 3 3 3 3 note dual items an equivalent circuit block diagram fig. 1 fig. 3 fig. 2 fig. 4 recommended applications digital portable telephone dual mode portable telephone personal handy-phone system mobile communication system x x
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