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| 型號： | EVAL-AD9832SDZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 4/28頁 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR AD9832 |
| 標準包裝： | 1 |
| 系列： | * |
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AD9832
Data Sheet
Rev. E | Page 12 of 28
THEORY OF OPERATION
Sine waves are typically thought of in terms of their magnitude
form a(t) = sin (ωt). However, these are nonlinear and not easy
to generate except through piecewise construction. On the
other hand, the angular information is linear in nature. That is,
the phase angle rotates through a fixed angle for each unit of
time. The angular rate depends on the frequency of the signal
by the traditional rate of ω = 2 πf.
MAGNITUDE
PHASE
+1
0
–1
2
0
09090-
023
Figure 23. Sine Wave
Knowing that the phase of a sine wave is linear and given a
reference interval (clock period), the phase rotation for that
period can be determined by
ΔPhase = ωδt
Solving for ω,
ω = ΔPhase/δt = 2 πf
Solving for f and substituting the reference clock frequency for
the reference period (1/fMCLK = δt),
f = ΔPhase × fMCLK/2 π
The AD9832 builds the output based on this simple equation. A
simple DDS chip can implement this equation with three major
subcircuits.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD9833EB | 制造商:AD 制造商全稱:Analog Devices 功能描述:+2.5 V to +5.5 V, 25 MHz Low Power CMOS Complete DDS |
| EVAL-AD9833EBZ | 制造商:Analog Devices 功能描述:Evaluation Board For IC Programmable Waveform Generator 制造商:Analog Devices 功能描述:PROGRAMMABLE WAVEFORM GENERATOR - Bulk |
| EVAL-AD9833SDZ | 功能描述:BOARD EVAL FOR AD9833 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 標準包裝:1 系列:- 主要目的:數(shù)字電位器 嵌入式:- 已用 IC / 零件:AD5258 主要屬性:- 次要屬性:- 已供物品:板 相關產(chǎn)品:AD5258BRMZ1-ND - IC POT DGTL I2C1K 64P 10MSOPAD5258BRMZ10-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ100-ND - IC POT DGTL I2C 100K 64P 10MSOPAD5258BRMZ50-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ1-R7-ND - IC POT DGTL I2C 1K 64P 10MSOPAD5258BRMZ10-R7-ND - IC POT DGTL I2C 10K 64P 10MSOPAD5258BRMZ50-R7-ND - IC POT DGTL I2C 50K 64P 10MSOPAD5258BRMZ100-R7-ND - IC POT DGTL I2C 100K 64P 10MSOP |
| EVAL-AD9834EB | 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. - Bulk |
| EVAL-AD9834EBZ | 制造商:Analog Devices 功能描述:Evaluation Kit For 20 MW Power, 2.3 V To 5.5 V, 75 MHz Complete DDS 制造商:Analog Devices 功能描述:EVAL KIT FOR 20 MW PWR, 2.3V TO 5.5 V, 75 MHZ COMPLETE DDS - Bulk |
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