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參數(shù)資料
| 型號： | DS-S29804 |
| 廠商： | Altera Corporation |
| 英文描述： | Stratix II EP2S60 DSP Development Board |
| 中文描述： | Stratix二EP2S60 DSP開發(fā)板 |
| 文件頁數(shù)： | 23/52頁 |
| 文件大?。?/td> | 3817K |
| 代理商： | DS-S29804 |
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Altera Corporation
23
Preliminary
Board Components
D/A Converters
The Stratix II EP2S60 DSP development board has two D/A converters.
The D/A subsystem of the board has the following features:
■
The converters produce 14-bit samples at a maximum rate of 165
MSPS.
The analog output from each D/A converter is single-ended.
■
1
The D/A converters expect data in an unsigned integer format.
The D/A clock signals are output directly from the Stratix II device to the
converters.
Figure 5
shows the on-board circuitry after a D/A converter. The output
of a D/A converter chip, DAC904, consists of a current source whose
maximum value is 20 mA. This output is connected to ground on the
board using a 51-
resistor, creating a Thevenin equivalent voltage source
of 1 V in series with a 51-
resistor. When loaded with an external 50-
termination, the output swing is reduced to 0.5 V
PP
. Additionally, there is
a 27-pF capacitor in parallel with the output resistor resulting in a single-
pole, low-pass filter with an upper 3-dB frequency of approximately 230
MHz when externally loaded. The output is then brought to an SMA
connector.
Figure 5. On-Board Circuitry after D/A Converter
1
The development kit includes an SLP-50 anti-aliasing filter from
Mini-Circuits. This filter provides a 55-MHz cut-off frequency.
For systems with other bandwidth requirements, a variety of
anti-aliasing filters are available from commercial
manufacturers to suit the system requirements.
D/A Converter
27 pf
Output
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1000 | TRANS SS NPN 50V 100MA SOT23 |
| DS1000-100 | TRANS SS NPN 45V 100MA SOT-523 |
| DS1000-125 | TRANS SS NPN 50V SOT-323 |
| DS1000-150 | TRANS SS NPN DL 45V SOT-363 |
| DS1000-175 | TRANS SS NPN 50V 100MA SOT23 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DSS29D29 | 制造商:CHENDA 制造商全稱:Chendahang Electronics Co., Ltd 功能描述:SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER |
| DSS2x101-015A | 功能描述:肖特基二極管與整流器 150V 2X100A RoHS:否 制造商:Skyworks Solutions, Inc. 產(chǎn)品:Schottky Diodes 峰值反向電壓:2 V 正向連續(xù)電流:50 mA 最大浪涌電流: 配置:Crossover Quad 恢復(fù)時間: 正向電壓下降:370 mV 最大反向漏泄電流: 最大功率耗散:75 mW 工作溫度范圍:- 65 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-143 封裝:Reel |
| DSS2x101-02A | 功能描述:肖特基二極管與整流器 SCHOTTKY DIODE 200V, 200A RoHS:否 制造商:Skyworks Solutions, Inc. 產(chǎn)品:Schottky Diodes 峰值反向電壓:2 V 正向連續(xù)電流:50 mA 最大浪涌電流: 配置:Crossover Quad 恢復(fù)時間: 正向電壓下降:370 mV 最大反向漏泄電流: 最大功率耗散:75 mW 工作溫度范圍:- 65 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-143 封裝:Reel |
| DSS2x111-008A | 功能描述:肖特基二極管與整流器 220 Amps 80V RoHS:否 制造商:Skyworks Solutions, Inc. 產(chǎn)品:Schottky Diodes 峰值反向電壓:2 V 正向連續(xù)電流:50 mA 最大浪涌電流: 配置:Crossover Quad 恢復(fù)時間: 正向電壓下降:370 mV 最大反向漏泄電流: 最大功率耗散:75 mW 工作溫度范圍:- 65 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-143 封裝:Reel |
| DSS2x121-0045B | 功能描述:肖特基二極管與整流器 45V 2X120A RoHS:否 制造商:Skyworks Solutions, Inc. 產(chǎn)品:Schottky Diodes 峰值反向電壓:2 V 正向連續(xù)電流:50 mA 最大浪涌電流: 配置:Crossover Quad 恢復(fù)時間: 正向電壓下降:370 mV 最大反向漏泄電流: 最大功率耗散:75 mW 工作溫度范圍:- 65 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-143 封裝:Reel |
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