Chap10_PLL實�模�

Chap10_PLL實�模� - Chap.10 PLL Chap.10...

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Unformatted text preview: Chap.10 PLL Chap.10 PLL (Phase-locked Loop) Chap.10 PLL PLL PFD : Phase frequency detector Charge pump : Loop filter : VCO : Voltage-controlled oscillator Frequency divider : Chap.10 PLL PFD PMOS : 4u/0.35u NMOS : 2u/0.35u Chap.10 PLL Charge pump Chap.10 PLL VCO 4/0.6 4/0.6 4/0.35 4/0.35 out 2/0.35 2/0.35 vctrl 2/0.6 2/0.6 7 Chap.10 PLL Frequency divider 2 4 8 16 16 Chap.10 PLL Buffer Chap.10 PLL PLL schematic Chap.10 PLL CDLnetlist File => Export => CDL pll.sp ( ~/hspice/pll/pll.sp) : vdd! => vdd gnd! => gnd NM => nch PM => pch *.global "*" (clk20MHz)reset vctrl ( .ic v(vctrl)=0) 3000ns Chap.10 PLL 20MHz 16 clk reset out out16 (q3) vctrl up dn (1) (2) Chap.10 PLL (1) clk reset out out16 (q3) vctrl up dn Chap.10 PLL (2) clk reset out out16 (q3) vctrl up dn ...
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This note was uploaded on 03/10/2012 for the course EECS 103 taught by Professor Tasi during the Spring '12 term at National Taipei University.

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Chap10_PLL實�模� - Chap.10 PLL Chap.10...

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