Model BD2425N5075A00
Rev E
Ultra Low Profile 0404 Balun
50Ω to 75Ω Balanced
Description
The BD2425N5075A00 is a low cost, low profile sub-miniature unbalanced to
balanced transformer designed for differential inputs and output locations on modern
chipsets in an easy to use surface mount package. The BD2425N5075A00 is ideal
for high volume manufacturing and delivers higher performance than traditional
ceramic baluns. The BD2425N5075A00 has an unbalanced port impedance of 50Ω
and a 75Ω balanced port impedance. This transformation enables single ended
signals to be applied to differential ports on modern integrated chipsets. The output
ports have equal amplitude (-3dB) with 180 degree phase differential. The
BD2425N5075A00 is available on tape and reel for pick and place high volume
manufacturing.
Detailed Electrical Specifications:
Specifications subject to change without notice.
Features:
•
•
•
•
•
•
•
•
•
•
•
•
2400 – 2500 MHz
0.65mm Height Profile
50 Ohm to 2 x 37.5 Ohm
Low Insertion Loss
802.11 b+g
MIMO b+g
Bluetooth
Zigbee
Surface Mountable
Tape & Reel
Non-conductive
RoHS Compliant
Parameter
Frequency
Unbalanced Port Impedance
Balanced Port Impedance
Return Loss
Insertion Loss*
Amplitude Balance
Phase Balance
CMRR
Power Handling
Operating Temperature
Min.
2400
ROOM (25°C)
Typ.
50
75
18
0.7
0.3
1
35
Max
2500
Unit
MHz
Ω
Ω
dB
dB
dB
Degrees
dB
Watts
ºC
14
0.9
0.9
3
1
+85
-55
* Insertion Loss stated at room temperature (Insertion Loss is approximately 0.1 dB higher at +85 ºC)
Outline Drawing
Top View (Near-side)
Side View
Bottom View (Far-side)
.041
±.004
[1.05
±0.10
]
.041
±.004
[1.05
±0.10
]
.022
±.001
[0.57
±0.03
]
.012 [0.30]
1
0.12 [0.30]
2
3x.010
[0.25]
4
3
3x.010
[0.25]
.020 [0.50]
.020 [0.50]
Pin Designation
GND / DC Feed
1
+ RF GND
Dimensions are in Inches [Millimeters]
Mechanical Outline
2 Unbalanced Port
3 Balanced Port
4 Balanced Port
Tolerances are Non-Cumulative
Available on Tape
and Reel for Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe
:
(315) 432-8909
(800) 411-6596
+44 2392-232392
Model BD2425N5075A00
Rev E
Typical Performance:2300 MHz. to 2600 MHz.
Return Loss - Input
0
-3
-6
-9
-12
-15
[dB]
Insertion Loss
0
-0.3
-0.6
-0.9
-1.2
-1.5
[dB]
-18
-21
-24
-27
-30
-33
-36
2300
2350
2400
2450
2500
2550
2600
-1.8
-2.1
-2.4
-2.7
-3
-3.3
-3.6
2300
2350
2400
2450
2500
2550
2600
Frequency [MHz]
Frequency [MHz]
Amplitude Balance
2
1.5
1
0.5
[dB]
deg
Phase Balance
20
15
10
5
0
-5
-10
-15
-20
0
-0.5
-1
-1.5
-2
2300
2350
2400
2450
2500
2550
2600
2300
2350
2400
2450
2500
2550
Frequency [MHz]
Frequency [MHz]
CMRR
0
-3
-6
-9
-12
-15
[dB]
-18
-21
-24
-27
-30
-33
-36
2300
2350
2400
2450
2500
2550
2600
Frequency [MHz]
USA/Canada:
Toll Free:
Europe:
(315) 432-8909
(800) 411-6596
+44 2392-232392
Available on Tape and
Reel for Pick and Place
Manufacturing.
2600
Model BD2425N5075A00
Rev E
Wide Band Performance: 500 MHz. to 8500 MHz.
Return Loss - Input
0
-3
-6
-9
-12
-15
[dB]
Insertion Loss
0
-2
-4
-6
-8
[dB]
-18
-21
-24
-27
-30
-33
-36
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
-10
-12
-14
-16
-18
-20
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8000
Frequency [MHz]
Frequency [MHz]
Amplitude Balance
2
1.5
1
0.5
[dB]
deg
Phase Balance
20
15
10
5
0
-5
-10
-15
-20
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
0
-0.5
-1
-1.5
-2
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
Frequency [MHz]
Frequency [MHz]
CMRR
0
-3
-6
-9
-12
-15
[dB]
-18
-21
-24
-27
-30
-33
-36
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
8500
Frequency [MHz]
Available on Tape
and Reel for Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe
:
(315) 432-8909
(800) 411-6596
+44 2392-232392
8500
8500
Model BD2425N5075A00
Rev E
Mounting Configuration:
In order for Xinger surface mount components to work optimally, the proper impedance transmission lines must be
used to connect to the RF ports. If this condition is not satisfied, insertion loss, Isolation and VSWR may not meet
published specifications.
All of the Xinger components are constructed from ceramic filled PTFE composites which possess excellent electrical
and mechanical stability having X and Y thermal coefficient of expansion (CTE) of 17 ppm/
o
C.
An example of the PCB footprint used in the testing of these parts is shown below. An example of a DC-biased
footprint is also shown below. In specific designs, the transmission line widths need to be adjusted to the unique
dielectric coefficients and thicknesses as well as varying pick and place equipment tolerances.
With No DC Bias
3X .011
[0.29]
.008 [0.21]
3X .011
[0.29]
Plated thru
hole to
ground
With DC Bias
3X .011
[0.29]
.008 [0.21]
3X .011
[0.29]
Plated thru
hole to
ground
.014 [0.36]
.014 [0.36]
.020
[0.50]
.008 [0.21]
.020
[0.50]
.008 [0.21]
3X Transmission
Line
.020
[0.50]
3X Transmission
Line
.020
[0.50]
Circuit Pattern
Footprint Pad (s)
Solder Resist
Dimensions are in Inches [Millimeters]
Mounting Footprint
Circuit Pattern
Footprint Pad (s)
Solder Resist
Dimensions are in Inches [Millimeters]
Mounting Footprint
USA/Canada:
Toll Free:
Europe:
(315) 432-8909
(800) 411-6596
+44 2392-232392
Available on Tape and
Reel for Pick and Place
Manufacturing.
Model BD2425N5075A00
Rev E
Packaging and Ordering Information
Parts are available in reel and are packaged per EIA 481-2. Parts are oriented in tape and reel as shown below. Minimum order
quantities are 4000 per reel. See Model Numbers below for further ordering information
.
ØA
ØC
ØD
QUANTITY/REEL
4000
TABLE 1
REEL DIMENSIONS (inches [mm])
ØA
7.00 [177.8]
B
0.32 [8.0]
ØC
2.0 [50.8]
ØD
0.512 [13.0]
B
Available on Tape
and Reel for Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe
:
(315) 432-8909
(800) 411-6596
+44 2392-232392
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