JOHANSON 2450FB15L0001

"High Frequency Ceramic Solutions"
2.45 GHz Harmonic Filter-Balun Optimized for AT86RF230/231 and ATmega128RFA1 P/N 2450FB15L0001
Page 1 of 4
Detail Specification: 06/29/2010
General Specifications
Part Number
2450FB15L0001
Differential Mode
Attenuation (dB)
20 min.@ 4800~5000MHz
Frequency (MHz)
2400~2500
Unbalanced Impedance
50 Ω
Balanced Impedance
Impedance match to
AT86RF230/231 and
ATmega128RFA1
Common Mode Attenuation
(dB)
20 min.@ 4800~5000MHz
Operating Temperature
Storage Temperature
20 min.@ 7200~7500MHz
-40 to +85°C
Insertion Loss
1.5 dB max.
Return Loss
9.5 dB min.
Phase Difference
180° ± 10
Input Power
2 Watts max.
Amplitude Difference
2.0 dB max.
Reel Quantity
4,000
+5 to +35°C, Humidity:
45-75%RH, 12 mos. Max
* 12 months in vacuum sealed bag and 1 week after opened.
Mechanical Dimensions
In
Terminal Configuration
mm
L
0.079 ± 0.004
2.00 ± 0.10
W
0.049 ± 0.004
1.25 ± 0.10
T
0.031 ± 0.004
0.80 ± 0.10
a
0.012 ± 0.004
0.30 ± 0.10
b
0.008 ± 0.004
0.20 ± 0.10
W
c
L
a
p
+0.1/-0.2
c
0.012 +.004/-.008
0.30
g
0.014 ± 0.004
0.35 ± 0.10
p
0.026 ± 0.002
0.65 ± 0.05
T
g
No.
Function
1
2
3
4
5
6
Unbalanced Port
GND or (DC Feed + RF GND)
Balanced Port
Balanced Port
GND
GND
b
3
2
1
4
5
6
Balun Layout with AT86RF230/1
* Line width should be designed to match 50Ω characteristic impedance,
depending on PCB material and thickness.
0.35
0402 22pF RF
GND cap
Johanson p/n:
500R07S220JV4
*
Solder Resist
3 2 1
Land
0.8
4 5 6
0.8
Through-hole ( φ 0.3)
0.18
0.30
Units: mm
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
4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821
2010 Johanson Technology, Inc. All Rights Reserved
"High Frequency Ceramic Solutions"
2.45 GHz Harmonic Filter-Balun Optimized for AT86RF230/231 and ATmega128RFA1 P/N 2450FB15L0001
Page 2 of 4
Detail Specification: 06/29/2010
)
Balun Layout with ATmega128RFA1
)
)
)
)
)
)
)
0402 22pF RF GND
cap Johanson p/n:
500R07S220JV4
)
)
~0.65mm
)
0402 1.5pF**
shunt cap
)
*
)
)
)
)
)
)
)
)
ATmega128RFA1
3 2
1
0.8
50Ω
t
Solder Resist
)
4
5
6
)
0.8
Land
Through-hole ( φ 0.3)
0.18
Units: mm
0.35
* Distance can vary depending on PCB layout and stack-up (matching phase may be influenced by this distance)
** Shunt capacitor value is between 0.5pF and 1.5pF, depending of the true line impedance
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
4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821
2010 Johanson Technology, Inc. All Rights Reserved
"High Frequency Ceramic Solutions"
2.45 GHz Harmonic Filter-Balun Optimized for AT86RF230/231 and ATmega128RFA1 P/N 2450FB15L0001
Page 3 of 4
Detail Specification: 06/29/2010
)
)
AT86RF230/231 With DC feed graphical representation:
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
AT86RF230/231
)
See last page for filtering performance
0402 22pF RF GND
cap Johanson p/n:
500R07S220JV4
)
)
)
ATmega128RFA1 With DC feed graphical representation:
ATmega128RFA1
See last page for filtering performance
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
4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821
2010 Johanson Technology, Inc. All Rights Reserved
"High Frequency Ceramic Solutions"
2.45 GHz Harmonic Filter-Balun Optimized for AT86RF230/231 and ATmega128RFA1 P/N 2450FB15L0001
Page 4 of 4
Detail Specification: 06/29/2010
Typical Electrical Performance (T=25°C)
)
Insertion Loss / Return Loss
)
0
)
)
)
)
)
)
)
)
-10
)
-20
-30
-40
-50
unbal port return loss
balanced port return loss
insertion loss
common mode rejection
)
)
-60
)
-70
1245
2440
3635
4830
6025
Frequency (MHz )
)
7220
8415
9610
10805
12000
)
Amplitude Difference / Phase Difference
)
)
1
)
0
-1
-2
2.0
2.5
dif_phase
200
150
100
50
0
-50
-100
-150
-200
2
dif_amplitude
50
3.0
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
4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821
2010 Johanson Technology, Inc. All Rights Reserved