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參數(shù)資料
| 型號(hào)： | BD0205F5050AHF |
| 廠商： | Anaren |
| 文件頁(yè)數(shù)： | 4/5頁(yè) |
| 文件大小： | 331K |
| 描述： | XFRMR BALUN RF 70-1000MHZ 1608 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | Xinger® |
| 頻率范圍： | 70 ~ 1000MHz |
| 阻抗 - 不平衡/平衡： | 50 / 50 歐姆 |
| 相差： | 1° |
| 插入損耗（最大值）： | 3.4dB |
| 回程損耗（最小值）： | 4.0dB |
| 封裝/外殼： | 1608（4121 公制） |
| 安裝類型： | 表面貼裝 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | 1173-1072-6 |
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www.anaren.com
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(315) 432-8909
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0
HF
Rev. B
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. Anarens 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. Anarens 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
Anaren Balun
BD0205F5050AHF
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| BD021-07A-A1-0350-0200-0550-LD | 制造商:Global Connector Technology (GCT) 功能描述:BOARD-BOARD CONNECTOR HEADER 7WAY 1ROW 制造商:Global Connector Technology (GCT) 功能描述:BOARD-BOARD CONNECTOR HEADER, 7WAY, 1ROW 制造商:Global Connector Technology (GCT) 功能描述:BOARD-BOARD CONNECTOR HEADER, 7WAY, 1ROW; Series:-; Pitch Spacing:1.27mm; No. of Rows:1; No. of Contacts:7; Gender:Header; Contact Termination:Surface Mount Vertical; Contact Plating:Gold; Contact Material:Copper Alloy ;RoHS Compliant: Yes |
| BD021-08A-A1-0350-0200-0550-LD | 制造商:Global Connector Technology (GCT) 功能描述:BOARD-BOARD CONNECTOR HEADER 8WAY 1ROW 制造商:Global Connector Technology (GCT) 功能描述:BOARD-BOARD CONNECTOR HEADER, 8WAY, 1ROW; Series:-; Pitch Spacing:1.27mm; No. of Rows:1; No. of Contacts:8; Gender:Header; Contact Termination:Surface Mount Vertical; Contact Plating:Gold; Contact Material:Copper Alloy ;RoHS Compliant: Yes |
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