처음단은 약 230Hz이상은 완전히 차단하여 메인스피커와 소리가 섞이지 않도록 하기 위한 것
둘째단은 가변저항을 두어 크로스오바 주파수를 임의로 ...
Reduce L1 to 33uH (to 25uH)
Increase C1 to at least 2200uF
Use at least 400V Schottky diode for D1 (UF4004)
Change R5 to 470k
=> verage supply current will be around 750mA.
circuit can supply 10mA
DC/DC Converter Topologies and Techniques to Obtain High Boost RatiosBy Ashok Bindra
Contributed By Electronic Products
Whether it is used for biasing avalanche photodiodes (APDs) found in optical receivers, driving photoflash tubes in flash cameras, or charging high-volta...