This is a stereo VU booster circuit diagram based on transistor FCS9014 which usually used for pre-amp and regulator circuit and switching. With simple circuit design, this device could be…

The following image is the scheme diagram of six LED stereo VU display circuit which build using Dot/Bar Display Driver IC LM3915. This VU display should be connected before amplifier…

…amp with a greatly boosted clean tone. The distorted tone and pure tones can be blended to adjust its extra. Moreover, the tone controls only affect the signal distortion, which…

…be adjusted both the frequency and amplitude. The circuit uses IC LM101A, a general purpose operational amplifier (op-amp) and IC LM111, a high-speed voltage comparator device. This circuit provides sine…

Here is the circuit diagram of battery tester designed by Matthew B.. This circuit can be used to measure the 1.5V and 9V battery. The circuit is very-very simple and…

The following diagram is the Jimi Hendrix Fuzz Face Pedal JH-2 circuit diagram. Schematic by Jim Dunlop Note: Q1 & Q2 are MPSA18 Demo sound of Jimi Hendrix Fuzz JH-2:…

…so much funk and soul can be squeezed into a tiny box. IC1 – 4136 Quad Op-amp IC2 – 4066 Quad Switch D1, D2 – 1N4148 or 1N914 Circuit Notes:…

The following diagram is Mesa Boogie dual rectifier solo head schematic diagram. This is a tubed pre-amp and tubed amplifier designed and manufactured by Mesa Boogie. The following schematic is…

…Switch OFF the power and take away the connections you created to make the adjustment.Insert an amp-meter between the battery and also the output connection and again switch the power…

This is an easy FM tracking transmitter circuit project :). The scheme designed by Tony van Roon, and here the FM transmitter tracker diagram: Components List: R1 = 10K C1…