555 Timer PRO 1.2

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).

eSketch 1.4

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.

Filter Wiz PRO 4.2

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.