Free Simple Circuit Diagram
This is a little audio amplifier, it is similar to the audio amplifier which is used in small transistor radio. This circuit draws about 30 milliamps from a 9 volt supply. This circuit consist of two stage. First stage is input stage (2N3053 transistor) and the other is output stage (2N3053 and 2N2905 transistor pair). Here is the schematic diagram […]
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The video application uses LT1206 as a main components because it has output derive capability and suitable bandwidth. So that the LT1206 can also be used for audio applications. Here is the schematic diagram: In this circuit the LT1206 combined with the LT1115 low distortion, that has a very low noise audio buffer with a gain of 10. The frequency […]
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This is a circuit which is a modification of Hartley oscillator with the addition of several components. This circuit uses a small audio transformer, type LT700. The primary of this transformer is center tapped with an impedance of 1Kohms at 1KHz and the secondary has an impedance of 8 ohms. “Chirp” characteristic of this oscillator is given by the inclusion of […]
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This circuit is a simple circuit that can be used to listening old vinyl discs from a well preserved collection. This circuit efficient for cheap moving-magnet cartridges. It can be used in connection with the audio power amplifiers shown in these article. It also has good RIAA frequency response curve, good high frequency transients behavior due to passive equalization in […]
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