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"High Frequency Ceramic Solutions"
2.45 GHz Balun / Filter Combination
Detail Specification: 12/19/05
P/N 2450FB39K001
Page 1 of 2
General Specifications
Part Number Frequency (MHz) Unbalanced Impedence Differential Balanced Imp. Insertion Loss Return Loss Phase Difference Amplitude Difference 2450FB39K001 2400~2500 50 22+j100
Conjugate match to CSR chipset
45 min.@ 880~960MHz 38 min.@1710~1880 MHz 35 min.@1880~1990MHz 20 min.@2110~2170MHz 25 min.@4800~5000MHz 30 typ.@7200~7500MHz
Attenuation (dB)
3.0 dB max. 9.5 dB min. 180 8 1.0 dB max. Reel Quantity Power Capacity
Operating and Storage Temp.
-40 to +85C 3,000 1.0 watt max.
Mechanical Dimensions
In L 0.098 0.008 W 0.079 0.008 T 0.043 0.004 a 0.016 0.008 b 0.031 0.008 c 0.012 +.004/-.008 d 0.075 0.008 mm 2.50 0.20 2.00 0.20 1.10 0.10 0.40 0.20 0.80 0.20 0.30 +0.1/-0.2 1.90 0.20
c
Terminal Configuration
d a b W T
No.
Function Unbalanced Port DC Balanced Port Balanced Port GND GND
6
1 2 3 4 5
L
6
3
2 1 5
Mounting Considerations
Line width should be designed to match 50 characteristic impedance, depending on PCB material and thickness. Units: mm
2.10
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4
*
0.50
*
1.00
Solder Resist Land Through-hole (0.3)
1.50
0.40
*
1.50 1.00
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: 12/19/05
P/N 2450FB39K001
Page 2 of 2
Typical Electrical Performance (T=25C)
)
)
)
)
* Note: The balanced ports (pins 3 & 4) are terminated with a balanced impedance of 22-j100.
) ) ) ) )
)
Insertion Loss / Return Loss
0
RL
-20 -40
(dB)
-60
IL
-80 -100 0 1 2 3
) ) ) )
4 freq, GHz
) )
5
6
7
8
Amplitude Difference / Phase Difference
)
2.0
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)
200 dif_phase 100
1.5 1.0 0.5
(dB)
dif_amplitude
0.0 -0.5 -1.0 -1.5 -2.0 2.40 2.42 2.44 2.46 2.48 2.50
0
-100
-200
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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