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Figure 1.Schematics of AUDIO FADER
| In the down position, Q2 conducts more, depending on the setting of R6, which causes a gain increase. By varying R5 or C3, various fade rates can be obtained |
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Data Sheet  | | |
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| Data Sheet 2N3819 |
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This device is designed for RF amplifier and mixer applications
operating up to 450MHz, and for analog switching requiring low
capacitance.
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| Data Sheet BC179 |
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The BC 177, BC 178 & BC 179 are silicon epitaxial planar PNP transistors in TO-18 metal case. They are suitablefor use in driver audio stages, low noise input audiostages and as low power, high gain general purpose transistors.
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