Plug audio signal to be measured into the Line-In jack on the sound card. Spectra Plus perform an "Analog-to-Digital" conversion on the audio signal. It is then passed through a math algorithm known as a Fast Fourier Transform which converts the signal fr
A Vaccum Tube cross reference program. The user is allowed to update, add, delete, edit and print the tube data they select of the whole data file.
Uses a model of a transmission-line loudspeaker system to predict small-signal response, input-impedance or maximum input voltage.
For Chip Carries/Modules and PCBs
calculate the basic parameters of a push-pull transformer coupled output stage. It works for all modes of operation and on triodes or pentode.
ViPEC is a powerful tool for the analysis of high frequency, linear electrical networks.
German language program for determining colour codes on resistors.