"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
Ω
50
Ω
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 +85°C
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
T
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
8
7
8
Mounting Considerations
Line width should be designed to match 50
Ω
characteristic impedance,
depending on PCB material and thickness.
Units: mm
1.10
1.10
Solder Resist
Land
0.40
1.00
2.05
0.40
1.00
2.05
(1)
(2)
(1)
Choke Inductor = 8.2nH
(2)
Decoupling Capacitor
= 100pF
1.55
1.00
Through-hole (
φ
0.3)
4
5
6
*
*
0.30
*
1.00
*
*
0.30
1.55
*
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=25°C)
)
)
)
)
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
)
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
stm32/stm8
京公网安备 11010802033920号
EEWORLD
