Monthly Archive: 3월 2008

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전압 제어 발진기 회로

< 555 timer를 이용한 전압 제어 발진기 > http://en.wikipedia.org/wiki/555_timer_IC http://www.national.com/ 자료 다운로드

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Linear regulator(선형 레귤레이터)

  < Seires Regulator > < Current limitier를 사용한 Seires Regulator > < Shunt Regulator > 4211793469.zip * 참고: http://en.wikipedia.org/wiki/Linear_regulator http://en.wikipedia.org/wiki/Voltage_regulator http://pdf1.alldatasheet.com/datasheet-pdf/view/177405/TI/UA741.html * Tip: 제너다이오드의 제너 전압을 유지시켜주려면...

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Active Filter(Sallen-Key Filters)

< 2차 저역 통과 필터 – 2nd Low pass filter> < 2차 고역 통과 필터 – 2nd High pass filter> * 참고: http://electronicdesign.com/ http://en.wikipedia.org/wiki/Sallen_Key_filter http://www.dei.unipd.it/~pel/

10 input-4 output Encoder 0

10 input-4 output Encoder

                     <ABEL CODE> module E10x4BCD;title ’10 inputs to 4 outputs – BCD Encoder’;Enc10x4 device ‘P22V10’; “Input pinsI0,I1,I2,I3,I4,I5,I6,I7,I8,I9 pin 2,3,4,5,6,7,8,9,10,11;“output...

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4 Bits to BCD Code

library IEEE;use IEEE.std_logic_1164.all;entity bcdconv is    port ( digit_in : in std_logic_vector(3 downto 0);    bcd_out : out std_logic_vector(4 downto 0));end bcdconv;architecture bcdconv_arch of bcdconv isbegin    ...