Schematica Software
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 20, with a variety of circuit choices.
Electronic circuit simulator with rapid schematic capture and many simulation features including Monte Carlo analysis, Parameter Sweep analysis, Pole-Zero calculation, multiple voltage probes, input impedance, real and ideal op amp models.
Determine resistor values from color bands or SMD markings. Works for both 4 and 5 band leaded-type resistors, as well as 3 and 4 digit Surface Mount Device codes, EIA-96 1% SMD codes and 2,5,10% SMD codes.
555 Timer PRO provides an array of design wizards, circuit blocks and information panels that facilitate the use of the 555 timer. Component value calculations for the 555 take into account the supply voltage and timer fabrication (CMOS or Bipolar).
Free 555 timer calculatorwith 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.
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.
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