Hybrid Components
Balun
We accomplish the advanced characteristics of Low
Insertion Loss and High Isolation,the Miniaturization and
High Performance by our
µ
-wave circuit simulation and
fine line printing technologies.
Features
Ultra miniaturized, thin type(1.6
X
0.8
X
t 0.55)
Available for each frequency range
(100 MHz to 4000 MHz)
Balanced / Unbalanced Converter
Impedance matching ( 50 / 200 , 50 / 100 )
Dimensions in mm (not to scale)
Recommended Applications
Digital portable telephone
Dual mode portable telephone
Personal handy-phone system
Mobile communication system
Block Diagram
An Equivalent Circuit
Fig. 1
Fig. 2
Fig. 3
Fig. 4
Typical Characteristics
Items
Part No. 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
EHFFD
1631
Frequency
( MHz )
Insertion Loss
( dB )
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
1950
900
1350
2000
1950 2000
4000
900
1450
1800
1300
2200 1806 to 1990 1930 to 1990
1.0
max.
1.0
max.
1.0
max.
0.8
max.
1.0
max.
1.0
max.
2.0
max.
1.0
max.
1.0
max.
1.0
max.
1.0
max.
1.0
max.
1.0
max.
1.0
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
( )
Circuit Diagram
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
Fig. 4
3.2 1.6
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
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
Construction No.
Note
1
2
2
2
2
2
2
3
3
3
3
3
3
Dual
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