BD2425P50100AHF
Rev D
Nano Profile 0404 Balun
50Ω to 100Ω Balanced
Description:
The BD2425P50100AHF is a low cost, nano 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 BD2425P50100AHF has been developed for
placement inside highly integrated, over moldable packaging
solutions where overall module height is of greatest concern. Ideal
for high volume manufacturing and delivers higher performance than
traditional ceramic baluns in a sub 0.5mm height profile. The
BD2425P50100AHF has an unbalanced port impedance of 50Ω and
a 100Ω 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 BD2425P50100AHF 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
0.45mm Height Profile
50 Ohm to 2 x 50 Ohm
Low Insertion Loss
802.11 b+g
MIMO b+g
Bluetooth
Zigbee
Proprietary Ultra Low
Power Radio
• Surface Mountable
• Tape & Reel
• RoHS Compliant
•
•
•
•
•
•
•
•
•
ROOM (25°C)
Parameter
Min.
Frequency
Unbalanced Port Impedance
Balanced Port Impedance
Return Loss
Insertion Loss*
Amplitude Balance
Phase Balance
CMRR
Power Handling
Operating Temperature
2400
17
-55
Typ.
50
100
25.6
0.8
0.9
6
24
* Insertion Loss stated at room temperature (Insertion Loss is approximately 0.1 dB higher at +85 ºC)
Max
Unit
2500
MHz
Ω
Ω
dB
dB
dB
Degrees
dB
Watts
ºC
0.9
1.5
9
1
+85
Outline Drawing
1
BD2425P50100AHF
Rev D
Typical Performance: 2400 MHz. to 2500 MHz.
Return Loss - Input
Insertion Loss
0
-3
-0.3
-6
-0.6
-9
-0.9
-12
-1.2
-15
-1.5
[dB]
[dB]
0
-18
Amplitude Balance
1.5
15
1
10
0.5
5
Frequency [MHz]
2500
2490
2480
2500
2490
2480
2470
2460
2450
2440
2430
2500
2490
2480
2470
2460
2450
-20
2440
-15
-2
2430
-10
2420
-1
-1.5
2420
0
-5
2410
0
-0.5
2400
deg
20
2410
2470
Phase Balance
2
2400
2460
Frequency [MHz]
Frequency [MHz]
[dB]
2450
2400
2500
2490
2480
2470
2460
2450
2440
2430
-3.6
2420
-36
2410
-3.3
2400
-3
-33
2440
-2.7
-30
2430
-2.4
-27
2420
-2.1
-24
2410
-1.8
-21
Frequency [MHz]
CMRR
0
-3
-6
-9
-12
[dB]
-15
-18
-21
-24
-27
-30
-33
2500
2490
2480
2470
2460
2450
2440
2430
2420
2410
2400
-36
Frequency [MHz]
2
BD2425P50100AHF
Rev D
Wide Band Performance: 500 MHz. to 8500 MHz.
Return Loss - Input
Insertion Loss
0
-3
-0.3
-6
-0.6
-9
-0.9
-12
-1.2
-15
-1.5
[dB]
[dB]
0
-18
1.5
15
1
10
0.5
5
Frequency [MHz]
8000
7500
7000
6500
6000
5500
8500
8500
8000
7500
7000
6500
6000
5500
5000
4500
4000
3500
3000
2500
2000
8500
8000
7500
7000
6500
6000
5500
5000
4500
4000
-20
3500
-15
-2
3000
-1.5
2500
-10
2000
-5
-1
1500
-0.5
1500
0
500
0
1000
deg
2
20
500
5000
Phase Balance
Amplitude Balance
1000
4500
Frequency [MHz]
Frequency [MHz]
[dB]
4000
3500
3000
500
8500
8000
7500
7000
6500
6000
5500
5000
4500
4000
3500
3000
2500
2000
-3.6
1500
-36
500
-3.3
1000
-3
-33
2500
-2.7
-30
2000
-2.4
-27
1500
-2.1
-24
1000
-1.8
-21
Frequency [MHz]
CMRR
0
-3
-6
-9
-12
[dB]
-15
-18
-21
-24
-27
-30
-33
8500
8000
7500
7000
6500
6000
5500
5000
4500
4000
3500
3000
2500
2000
1500
500
1000
-36
Frequency [MHz]
3
BD2425P50100AHF
Rev D
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.
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
.014 [0.36]
.008 [0.21]
.020
[0.50]
3X Transmission
Line
.020
[0.50]
Circuit Pattern
Plated thru
hole to
ground
3X .011
[0.29]
.008 [0.21]
3X .011
[0.29]
.014 [0.36]
.008 [0.21]
.020
[0.50]
3X Transmission
Line
.020
[0.50]
Circuit Pattern
Footprint Pad (s)
Solder Resist
With DC Bias
Footprint Pad (s)
Dimensions are in Inches [Millimeters]
Mounting Footprint
Solder Resist
Dimensions are in Inches [Millimeters]
Mounting Footprint
4
BD2425P50100AHF
Rev D
Packaging and Ordering Information
Parts are available in reel and are packaged per EIA 481-D. Parts are oriented in tape and reel as shown
below. Minimum order quantities are 4000 per reel.
Contact us:
rf&s_support@ttm.com
5
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