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參數(shù)資料
| 型號(hào)： | ASM3P2111BG-08SR |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | XO, clock |
| 英文描述： | LOCAL REPEATER BNC/10T |
| 中文描述： | 66.6 MHz, OTHER CLOCK GENERATOR, PDSO8 |
| 封裝： | GREEN, SOIC-8 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 207K |
| 代理商： | ASM3P2111BG-08SR |
Alliance Semiconductor
2575 Augustine Drive
Santa Clara CA
Tel: 408-855-4900
Fax: 408-855-4999
www.alsc.com
rev 0.1
May 2005
ASM3P2111B
Features
Generates an EMI optimized clock at the output.
Input frequency: 25 MHz.
Frequency outputs:
o
60 MHz (unmodulated)
o
2 x 48 MHz (unmodulated)
o
66.6 MHz (modulated): -1.7% down spread
Modulation rate: 30 KHz.
Supply voltage range: 3.3V ± 0.3V.
Available in 8-pin SOIC Package.
Commercial and Industrial Temperature range.
RoHS Compliant
Product Description
The ASM3P2111B is a versatile spread spectrum
frequency modulator that reduces electromagnetic
interference (EMI) at the clock source. The ASM3P2111B
allows significant system cost savings by reducing the
number of circuit board layers and shielding that are
required to pass EMI regulations. The ASM3P2111B
modulates the output of PLL in order to spread the
bandwidth of a synthesized clock, thereby decreasing the
peak amplitudes of its harmonics. This results in
significantly lower system EMI compared to the typical
narrow band signal produced by oscillators and most
clock generators. Lowering EMI by increasing a signal’s
bandwidth is called spread spectrum clock generation.
Applications
ASM3P2111B is targeted towards EMI management for
high speed digital applications such as PC peripheral
devices, consumer electronics and embedded controller
systems.
Block Diagram
V
DD
Crystal
Oscillator
66.6 MHz
Modulated
XIN /CLKIN
XOUT
V
SS
48 MHz_2
60 MHz
48 MHz_1
PLL1
PLL2
48 MHz_1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ASM3I2111BG-08SR | Peak EMI Reducing Solution |
| ASM3P2111BG-08ST | Peak EMI Reducing Solution |
| ASM3I2111BG-08ST | Peak EMI Reducing Solution |
| ASM3P2111B | Peak EMI Reducing Solution |
| ASM3P2111BF-08SR | MINI FIBER TRANSCEIVER ST |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ASM3P2111BG-08ST | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Peak EMI Reducing Solution |
| ASM3P2180A | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Peak Reducing EMI Solution |
| ASM3P2180A-08SR | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Peak Reducing EMI Solution |
| ASM3P2180A-08ST | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Peak Reducing EMI Solution |
| ASM3P2180A-08TR | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Peak Reducing EMI Solution |
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