"High Frequency Ceramic Solutions" *

"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: 4/27/2012
General Specifications
2450FB15L0001
Part Number
Frequency (MHz)
50 Ω
Unbalanced Impedance
Impedance match to
AT86RF230/231 and
ATmega128RFA1
Balanced Impedance
Insertion Loss
1.5 dB max.
Return Loss
9.5 dB min.
20 [email protected] 4800~5000MHz
Common Mode Attenuation
(dB)
20 [email protected] 4800~5000MHz
+5 to +35°C, Humidity: 4575%RH, 18 mos. Max
2 Watts max. (CW)
Input Power
4,000
Reel Quantity
* 18 months in vacuum sealed bag and 1 week after opened. For more info go to
www.johansontechnology.com/silverleads
Mechanical Dimensions
In
-40°C to +125°C
Storage Conditions
2.0 dB max.
Amplitude Difference
20 [email protected] 7200~7500MHz
Operating Temperature
180° ± 10
Phase Difference
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
c
0.012 +.004/-.008
0.30
g
0.014 ± 0.004
0.35 ± 0.10
p
Differential Mode
Attenuation (dB)
2400~2500
0.026 ± 0.002
W
c
L
a
p
+0.1/-0.2
T
g
0.65 ± 0.05
No.
Function
1
2
3
4
5
6
Unbalanced Port
DC Feed + RF GND
Balanced Port
Balanced Port
GND
GND
b






Balun Layout with AT86RF230/1
*Line width should be designed to match 50  characteristic impedance,
0.35
depending on PCB material and thickness.
0402 22pF RF GND cap
Johanson p/n:
500R07S220JV4
*
Solder Resist
  
AT86RF230/231
0.8
Land
  
0.8
Through-hole (  0.3)
0.18
0.30
Units: mm
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
2012 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: 4/27/2012
Balun Layout with ATmega128RFA1
0402 22pF RF GND
cap Johanson p/n:
500R07S220JV4
~0.65mm*
ATmega128RFA1
 
0402 1.5pF**
shunt cap

50Ω trace

0.8
0.8
Solder Resist


Land
Through-hole (  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
Part Numbering Scheme
Packaging
Style
P/N
Suffix Termination Style
Evaluation Board
Eg. 2450FB15L0001S
Bulk
Suffix = S
Eg. 2450FB15L0001E
T&R
Suffix = E
100% Tin Suffix = None Eg. 2450FB15L0001(E or S)
2450FB15L0001-EB1SMA
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
2012 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: 4/27/2012
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:
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
2012 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: 4/27/2012
Typical Electrical Performance (T=25°C)
Insertion Loss / Return Loss
0
-10
-20
-30
-40
-50
-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
2012 Johanson Technology, Inc. All Rights Reserved