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555 Timer Free
Free 555 timer calculator with 3 astable modes and monostable mode. Astable modes include duty cycle less than 50%, duty cycle equals 50% and duty cycle greater than 50%. resistor and capacitor values can be tweaked. business math, scientific tools freeware listed in business math, scientific tools section.
Keywords: timer resistor duty cycle modes calculator capacitor values private files quick image
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Filter Wiz Lite
Active filter design software for lowpass, highpass, bandpass and bandstop electronic filters using resistors, capacitors and op amps. Provides Butterworth, Chebyshev, Elliptic and Bessel Approximations to order 10, with a variety of circuit choices. This business software is listed under business other.
Keywords: filter design software active filter design elliptic resistors choices op amps capacitors electronic filters approximations bessel bandpass transport layer security novell netware
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