Guitar Effects Pedal Wiring Diagrams A electric guitar pickup is actually similar to an energetic mike coil. For decades, energetic microphones have now been sent with the style coil mounted on the primary of the microphone's transformer, and perhaps not introduced to soil (‘floating'). The microphone's situation is usually connected to the wire shield, which can be linked to the microphone amplifier's soil (see Rane's site for more discussion).
By and big, active microphones are extremely quiet devices as a result of the mix of transformer isolation and healthy, suspended transmission lines through the duration of, as well as protected, humbucking coils.
So why don't you guitars? Instruments are once plagued by noise. Humbucking pickups are only a partial (though important!) solution. The most obvious answer is to float the guitar pickup to a balanced production, just like a microphone. The same strategy was published that 2001 patent application such as Guitar Effects Pedal Wiring Diagrams?