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"High Frequency Ceramic Solutions"
920/1885 MHz Dual Band Balun
Detail Specification: 07/03/03
P/N 0918BD41D050
Page 1 of 2
General Specifications
Part Number Frequency (MHz) Insertion Loss @ BW Unbalanced Impedence Balanced Impedence 0918BD41D050 Band 1 900 ~ 940 1.2 dB max. Band 2 1850 ~ 1920 1.7 dB max. 8.5 dB max 50 50 Power Capacity Operating Temperature Reel Quanity 1.0 Watts max.
o -40 ~ +85 C
2,000
Return Loss @ Unbalanced Port
Mechanical Dimensions
In L 0.126 0.008 W 0.098 0.008 T 0.059 0.006 a1 0.022 0.006 a2 0.028 0.008 b c
0.004 min
Terminal Configuration
No.
mm 3.20 0.20 2.50 0.20 1.50 0.15 0.55 0.15 0.70 0.20
0.1 min
Function GND
Unbalanced Port (Band 1)
1
a2 c L W
2 3 4 5 6
T
GND NC
Balanced Port
a1
p
NC
Balanced Port
Unbalanced Port (Band 2)
0.016 +.004/-.008
0.40 +0.1/-0.2 0.45 0.15 1.00 0.20
7 8
g 0.018 0.006 p 0.039 0.008
Unit : mm
g
b
Mounting Considerations
Mount these devices with brown mark facing up. Line width should provide 50impedance matching characteristics.
Units: mm
0.4
0.6
*
1.5 1.5
Solder
*
1.5 2.2
0.9
Land Through-hole (0.35)
Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions.
www.johansontechnology.com
931 Via Alondra * Camarillo, CA 93012 * TEL 805.389.1166 FAX 805.389.1821 2003 Johanson Technology, Inc. All Rights Reserved
"High Frequency Ceramic Solutions"
920/1885 MHz Dual Band Balun
Detail Specification: 07/03/03
P/N 0918BD41D050
Page 2 of 2
Typical Electrical Characteristics (T=25C)
)
)
)
)
) )
) )
) )
Insertion Loss
0
)
) )
-5 IL_Band2 IL_Band1 -10 -15 -20 -25 -30 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 freq, GHz
) ) ) )
)
)
Return Loss
0
)
)
-5 RL_Band2 RL_Band1
)
)
-10 -15 -20 -25 -30 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5
)
freq, GHz
Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions.
www.johansontechnology.com
931 Via Alondra * Camarillo, CA 93012 * TEL 805.389.1166 FAX 805.389.1821 2003 Johanson Technology, Inc. All Rights Reserved

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