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參數(shù)資料
| 型號： | DXW21BN7511T |
| 廠商： | MURATA MANUFACTURING CO LTD |
| 元件分類： | 射頻變壓器 |
| 英文描述： | 50 MHz - 860 MHz RF TRANSFORMER |
| 封裝： | ROHS COMPLIANT |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 307K |
| 代理商： | DXW21BN7511T |
This new product line can make a major contribution to space savings in tuner block circuits as
balun transformers for unbalance-balance conversion of antenna inputs, for products such as tuner
ICs for terrestrial digital broadcasts. In addition, these components can also be used as balun
transformers for analog TV tuner circuits.
These new products are free of all substances controlled by RoHS regulations.
Mass production of the wire wound type commenced in November 2006 at the rate of 4 million
units per month, while mass production of the film type is set to commence in December 2006, at
3 million units per month. Sample price is set at 20 yen per unit for each type.
[Background]
The antenna inputs of tuner ICs use balanced input signals, but the output of the antenna is
unbalanced. For this reason, balun transformers are generally used to convert unbalanced signals
to balanced signals. However, due to their construction, conventional balun transformers are
large—approximately 5 mm x 5 mm. Since this has presented a hindrance to enabling more
compact, space-saving tuner modules, it became necessary to develop more compact balun
transformers.
Tuner Module
DXW21B
DXP18B
For VHF / UHF / DVB-T / ISDB-T etc.
IF signal
processor IC
Microchip transformer (balun) for unbalance-balance conversion
Balanced
One-chip
tuner IC
Unbalance
Antenna
or
[Terminology]
Balun transformer
A part that converts signals between balanced and unbalanced. It is also known as a
balanced-unbalanced converter. The name “balun” is derived from the first letters of the two
words, “balanced” and “unbalanced.”
Balanced
A method of transmitting signals using two signal lines. One line carries the source signal; the
other carries a signal of opposite phase (antiphase).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| DXW21BN7511TL | 功能描述:變壓器音頻和信號 Balun 50-800MHZ 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 |
| DXX05-SI | 功能描述:烙鐵 13-25 GHz Solder In Lead 5 Spare Resistr RoHS:否 制造商:Weller 產(chǎn)品:Soldering Stations 類型:Digital, Iron, Stand, Cleaner 瓦特:50 W 最大溫度:+ 850 F 電纜類型:US Cord Included |
| DXX15L | 制造商:LITTELFUSE 制造商全稱:Littelfuse 功能描述:Silicon rectifiers that are excellent for DC phase control applications with motor loads. |
| DXX15LTP | 制造商:LITTELFUSE 制造商全稱:Littelfuse 功能描述:Silicon rectifiers that are excellent for DC phase control applications with motor loads. |
| DXX20L | 制造商:LITTELFUSE 制造商全稱:Littelfuse 功能描述:Silicon rectifiers that are excellent for DC phase control applications with motor loads. |
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