Nine99

http://itunes.apple.com/us/app/trcalc/id373485409?mt=8 This App helps designing a circuit of Transistor. You can easily design a Guitar effecter and Audio Amplifier when you use this App. When you set up the value of Passive element in the Common Emitter Circuit, Amplify Ratio is also calculated automatically according to base bias, Emitter Voltage& Current, Load Resistance. Instructions First o..