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The quickest way to understand what Audio Gadgets is all about is to imagine a programmable calculator designed for the audio enthusiast. It would have fistfuls of long equations loaded into its memory banks. It would display and pre-format its results much in the same way as a good financial calculator does business math. Unlike the financial calculator, it would also print the results and, most importantly, be easy to use. Well, that calculator exists in the form of this program. Audio Gadgets does far too much to fit in even a 21" monitor; consequently, the notebook metaphor is used to hold ten pages of audio topics.
Special features
Stepped attenuators: balance controls, series, shunt, and ladder attenuator design with automatic lookup of the closest 1% standard resistor values.
Math help: decibel conversions, joules, slew rate, AC power, and Ohms law calculations.
OP Amp circuits: buffer, current to voltage, differential amplifier, instrumentation, inverting & non-inverting, phase splitter.
Raw power supply design: half-wave, full-wave CT, full-wave bridge, full-wave bridge CT, and voltage doubler.
RC Filters: active & passive; high & low pass.
Three pin adjustable regulators: positive, negative, and high voltage.
Resistors: four & five band resistor color codes, parallel resistor calculations, max voltage & current.
RIAA equalization: active & passive.
Loudspeaker design aids: attenuators, optimal box dimensions, closed box design, geometric crossover points & contour networks.
Tube circuits: 7 circuit types.
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