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參數(shù)資料
| 型號： | DXP18BN5014T |
| 廠商： | MURATA MANUFACTURING CO LTD |
| 元件分類： | 射頻變壓器 |
| 英文描述： | 50 MHz - 870 MHz RF TRANSFORMER |
| 封裝： | ROHS COMPLIANT |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 307K |
| 代理商： | DXP18BN5014T |
Commercialization of Microchip Transformers
(Balun Transformers) for Digital TV Tuners
-DXW21BN, DXP18BN Series-
[Text]
Murata Manufacturing Co., Ltd. has commercialized microchip transformers (balun transformers),
which are used to convert between unbalanced-balanced signals in the antenna inputs of TV tuner
circuits for terrestrial digital broadcast compatible compact mobile devices.
Up to now balun transformers for TV tuners have been made by winding wire around a
spectacle-shaped ferrite core, and are widely used in large-scale devices such as TVs and desktop
PCs. However, these kinds of transformers are about 5 x 5 mm in size, and therefore unsuited for
usage in compact mobile devices such as mobile phones, notebook PCs, and portable gaming
devices. Murata’s newly developed balun transformers represent the industry’s smallest microchip
transformers, featuring an ultra small, ultra low-profile design achieved through optimized
internal circuits, utilizing wire wound and film forming technologies developed by Murata. The
wire wound type model is 2.0 x 1.2 mm (EIA Code: 0805), and the film type is 1.6 x 0.8 mm (EIA
Code: 0603). Note that since the film type does not connect externally to the transformer and has a
conversion rate of 1:4, it is suited to a variety of circuits.
Compared to conventional balun transformers made with wire wound around a spectacle-shaped
ferrite core, the wire wound type reduces the required mounting space by approximately 75%, and
height by approximately 40%, while the film type can cut mounting space by 95%, and height by
80%. Thus, these microchip transformers can contribute significantly to enabling smaller, slimmer
mobile device for terrestrial digital broadcasts, which are expected to become increasingly
popular.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DXP18BN5014TL | 功能描述:變壓器音頻和信號 0603 BALUN FILM TYPE INDUCTOR RoHS:否 制造商:Skyworks Solutions, Inc. 頻率范圍:810 MHz to 960 MHz 初級線圈阻抗: 次級線圈阻抗: 絕緣電壓:23 dB 工作溫度范圍:- 40 C to + 85 C 端接類型:SMD/SMT 尺寸:6 mm L x 4.9 mm W x 1.6 mm H 產(chǎn)品:Splitters and Combiners |
| DXP18BN5016DL | 功能描述:變壓器音頻和信號 300ohm 20dBm Chip Transformer RoHS:否 制造商:Skyworks Solutions, Inc. 頻率范圍:810 MHz to 960 MHz 初級線圈阻抗: 次級線圈阻抗: 絕緣電壓:23 dB 工作溫度范圍:- 40 C to + 85 C 端接類型:SMD/SMT 尺寸:6 mm L x 4.9 mm W x 1.6 mm H 產(chǎn)品:Splitters and Combiners |
| DXP18BN7514TL | 功能描述:變壓器音頻和信號 0603 75ohm Balun RoHS:否 制造商:Skyworks Solutions, Inc. 頻率范圍:810 MHz to 960 MHz 初級線圈阻抗: 次級線圈阻抗: 絕緣電壓:23 dB 工作溫度范圍:- 40 C to + 85 C 端接類型:SMD/SMT 尺寸:6 mm L x 4.9 mm W x 1.6 mm H 產(chǎn)品:Splitters and Combiners |
| DXP18CN7510TL | 功能描述:變壓器音頻和信號 0603 75ohm 10dB Coupler RoHS:否 制造商:Skyworks Solutions, Inc. 頻率范圍:810 MHz to 960 MHz 初級線圈阻抗: 次級線圈阻抗: 絕緣電壓:23 dB 工作溫度范圍:- 40 C to + 85 C 端接類型:SMD/SMT 尺寸:6 mm L x 4.9 mm W x 1.6 mm H 產(chǎn)品:Splitters and Combiners |
| DXP18CN7515TL | 功能描述:變壓器音頻和信號 0603 75ohm 15dB Coupler RoHS:否 制造商:Skyworks Solutions, Inc. 頻率范圍:810 MHz to 960 MHz 初級線圈阻抗: 次級線圈阻抗: 絕緣電壓:23 dB 工作溫度范圍:- 40 C to + 85 C 端接類型:SMD/SMT 尺寸:6 mm L x 4.9 mm W x 1.6 mm H 產(chǎn)品:Splitters and Combiners |
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