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"High Frequency Ceramic Solutions"
2.45 GHz Balun / Filter Combination
Detail Specification: 12/14/05
P/N 2450FB39A050
Page 1 of 2
General Specifications
Part Number Frequency (MHz) Unbalanced Impedence Differential Balanced Imp. Insertion Loss Return Loss Phase Difference Amplitude Difference 2450FB39A050 2400~2500 50 50 2.0 dB max. 9.5 dB min. 180 10 1.0 dB max. Reel Quantity Power Capacity Attenuation (dB)
35 min.@ 880~960MHz 30 min.@1710~1910 MHz 30 min.@4800~5000MHz 25 min.@7200~7500MHz
Operating and Storage Temp.
-40 to +85C 3,000 1.0 watt max.
Terminal Configuration
Mechanical Dimensions
In L 0.098 0.008 W 0.079 0.008 T 0.043 0.004 a 0.016 0.004 b 0.014 0.004 c 0.012 +.004/-.008 e 0.039 0.004 g 0.012 0.004 p 0.028 0.004 mm 2.50 0.20 2.00 0.20 1.10 0.10 0.40 0.10 0.35 0.10 0.30 +0.1/-0.2 1.00 0.10 0.30 0.10 0.70 0.10
g b e
c
No.
Function NC Unbalanced Port Open or DC Feed Balanced Port NC Balanced Port GND GND
3 2 1
1
W
2 3 4 5
L
a
p
6 7
T
8
7
8
Mounting Considerations
Line width should be designed to match 50 characteristic impedance, depending on PCB material and thickness. Units: mm
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4
5
6
1.10
1.10
*
0.40 0.30 1.00 0.40
*
1.00 2.05 0.30 2.05 (1) (2)
Solder Resist Land Through-hole (0.3)
* *
1.00
*
(1) Choke Inductor = 8.2nH (2) Decoupling Capacitor = 100pF
1.55
1.55 1.00
*
Without DC Feed
With DC Feed
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"
2.45 GHz Balun / Filter Combination
Detail Specification: 12/14/05
P/N 2450FB39A050
Page 2 of 2
Typical Electrical Performance (T=25C)
)
)
)
)
Insertion Loss / Return Loss
) ) ) )
RL
0 -10 -20
)
)
(dB)
-30 -40
IL
-50 -60 0 1 2 3 4
)
5
6
7
8
9
)
freq, GHz
)
Amplitude Difference / Phase Difference
) )
dif_amplitude
2.0 1.5
)
200
)
1.0
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)
100
(dB)
0.5 0.0 -0.5 -1.0 -1.5 -2.0 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 -200 -100 dif_phase 0
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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