"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
Frequency (MHz)
Unbalanced Impedance
Balanced Impedance
Insertion Loss
Return Loss
Phase Difference
Amplitude Difference
2450FB15L0001
2400~2500
50
Ω
Impedance match to
AT86RF230/231 and
ATmega128RFA1
1.5 dB max.
9.5 dB min.
180° ± 10
2.0 dB max.
Input Power
Reel Quantity
Differential Mode
Attenuation (dB)
Common Mode Attenuation
(dB)
Operating Temperature
Storage Temperature
20 min.@ 4800~5000MHz
20 min.@ 7200~7500MHz
20 min.@ 4800~5000MHz
-40 to +85°C
+5 to +35°C, Humidity:
45-75%RH, 12 mos. Max
2 Watts max.
4,000
* 12 months in vacuum sealed bag and 1 week after opened.
Mechanical Dimensions
In
L
W
T
a
b
c
g
p
0.079 ± 0.004
0.049 ± 0.004
0.031 ± 0.004
0.012 ± 0.004
0.008 ± 0.004
0.012 +.004/-.008
0.014 ± 0.004
0.026 ± 0.002
mm
2.00 ± 0.10
1.25 ± 0.10
0.80 ± 0.10
0.30 ± 0.10
0.20 ± 0.10
0.30
+0.1/-0.2
g
b
Terminal Configuration
W
c
a
p
No.
Function
Unbalanced Port
GND or (DC Feed + RF GND)
L
T
0.35 ± 0.10
0.65 ± 0.05
1
2
3
4
5
6
Balanced Port
Balanced Port
GND
GND
3
2
1
Balun Layout with AT86RF230/1
*
Line width should be designed to match 50 characteristic impedance,
Ω
depending on PCB material and thickness.
0.35
0402 22pF RF
GND cap
Johanson p/n:
500R07S220JV4
3 2 1
0.8
4 5 6
0.8
0.18
4
5
6
*
Solder Resist
Land
Through-hole (
φ
0.3)
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
JOHANSON [ JOHANSON TECHNOLOGY INC. ]
