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參數(shù)資料
| 型號： | MC145202F |
| 廠商： | MOTOROLA INC |
| 元件分類： | XO, clock |
| 英文描述： | Low-Voltage 2.0 GHz PLL Frequency Synthesizer |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 2000 MHz, PDSO20 |
| 封裝： | SOG-20 |
| 文件頁數(shù)： | 16/24頁 |
| 文件大?。?/td> | 343K |
| 代理商： | MC145202F |
MC145202
16
MOTOROLA
NOTE: The PDout either sources or sinks current during out–of–lock conditions. When locked in phase and frequency, the output is in
the floating condition and the voltage at that pin is determined by the low–pass filter capacitor. PDout,
φ
R, and
φ
V are shown with
the polarity bit (POL) = low; see Figure 14 for POL.
fR
REFERENCE
REFin
÷
R
fV
FEEDBACK
fin
÷
(N x 64 + A)
PDout
φ
R
φ
V
LD
VH
VL
SOURCING CURRENT
FLOAT
SINKING CURRENT
VH
VL
VH
VL
VH
VL
VL
VH
*
VH = High voltage level
VL = Low voltage level
*At this point, when both fR and fV are in phase, the output source and sink circuits are turned on for a short interval.
Figure 17. Phase/Frequency Detectors and Lock Detector Output Waveforms
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| MC14520BDW | 功能描述:計數(shù)器移位寄存器 3-18V Dual BCD Up RoHS:否 制造商:Texas Instruments 計數(shù)器類型: 計數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
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