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BD0205F5050AHF PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 BD0205F5050AHF
기능 Ultra Low Profile 1608 Balun 50 ohm to 50 ohm Balanced
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BD0205F5050AHF 데이터시트, 핀배열, 회로
Model BD0205F5050AHF
Rev A
Ultra Low Profile 1608 Balun
50Ω to 50Ω Balanced
Description
The BD0205F5050AHF is a low profile sub-miniature balanced to unbalanced
transformer designed for differential input locations on data conversion devices such
as A to D and D to A converters. In an easy to use surface mount package covering
75 MHz to 1000 MHz and with CMRR performances over 2x that of the incumbent
wire wound products, this transformer is optimized to offer improved SFDR
management during operation of the data converter device. The BD0205F5050AHF
is ideal for high volume manufacturing and is higher performance and smaller form
factor than traditional wire wound transformers. The BD0205F5050AHF has an
unbalanced port impedance of 50Ω and a 50Ω balanced port impedance. This
transformation enables single ended signals to be applied to differential ports on the
data converter devices. The output ports have equal amplitude (-3dB) with 180
degree phase differential. The BD0205F5050AHF is available on tape and reel for
pick and place high volume manufacturing.
Detailed Electrical Specifications: Specifications subject to change without notice.
ROOM (25°C)
Features:
Parameter
Min. Typ. Max Min. Typ. Max Unit
70 – 1000 MHz (IL 3dB BW)
Frequency
200-500 MHz ( IL 1dB BW)
0.83 mm Height Profile
Unbalanced Port Impedance
50 Ohm to 2 x 25 Ohm
Balanced Port Impedance
Excellent CMRR (36dB typical) Return Loss
70
4
1000 200
500
50 50
50 50
4.6 11 13
MHz
Ohm
Ohm
dB
Input to Output DC Isolation Insertion Loss*
3.0 3.4
0.9 1.1
dB
Surface Mountable
Tape & Reel
Non-conductive Top Surface
RoHS Compliant
Halogen Free
Amplitude Balance
Phase Balance
CMRR
Power Handling
0.2 0.6
13
36
2
0.2 0.6
dB
1 3 Degrees
36 dB
2 Watts
Operating Temperature
-55
+85 -55
+85 ºC
* 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)
4.10±.10
.84±.08
4x .96
1 23
10 4
2.10±.10
9
4x .28
2x .35
4x .35
5
Orientation
Marker
Mechanical Outline
Dimensions are in Millimeters
Pin Designation
1 Unbalanced
2 OPEN
3 GND
4 GND
5 GND
Orientation
Marker
Pin Designation
6 Balanced port 1
7 Open
8 Balanced port 2
9 GND
10 GND
10x .30
10x .22
876
Visit us at
www.anaren.com
USA/Canada:
Toll Free:
Europe:
Asia:
(315) 432-8909
(800) 411-6596
+44 2392-232392
+86 512-62749282




BD0205F5050AHF pdf, 반도체, 판매, 대치품
Model BD0205F5050AHF
Rev. A
Application in ADC Frontend:
Modern Analog-to-Digital Converter (ADC) system often uses differential architecture to suppress the even-order
harmonics. The performance of ADC system is heavily influenced by amplitude and phase imbalances arising from the
ADC frontend, especially in high frequency applications. Anaren’s multi-layer balun BD0205F5050AHF offers superb
amplitude and phase balance performance over wide frequency range, translating to excellent SFDR performance of
the ADC system. BD0205F5050AHF is a ferrite free design eliminating related inter-modulation and other non-linear
effects. BD0205F5050AHF provides wideband impedance match, resulting in improvement of gain flatness at high
frequencies, which in turn reduces input drive requirement. Anaren’s highly repeatable manufacturing process results
in little part to part variation, ensuring consistent performance in production.
The schematic of a typical ADC front end application is shown below. In conjunction with many high speed ADC ICs, a
bandwidth of 70MHz to 250MHz can be obtained for -1dB ripple of gain flatness. Differential load R1 and R2 are 33
ohm, slightly higher than the theoretical 25 ohm, to increase the voltage gain and reduce the required input drive, while
keeping acceptable return loss. Optional series resistors, R5, R6, R7 and R8 are used to limit the amount of charge
injection from the unbuffered ADC back into the analog input. Optional RC circuits, R3, R4, C4 and C5 further improve
SDFR in many circumstances by supplying an additional current path to neutralize the charge injection.
Typical ADC frontend schematic using BD0205F5050AHF
Visit us at
www.anaren.com
USA/Canada:
Toll Free:
Europe:
Asia:
(315) 432-8909
(800) 411-6596
+44 2392-232392
+86 512-62749282

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부품번호상세설명 및 기능제조사
BD0205F5050AHF

Ultra Low Profile 1608 Balun 50 ohm to 50 ohm Balanced

Anaren Microwave
Anaren Microwave

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