Who Sang The Song Blue Moon A electric guitar pickup is basically similar to a vibrant microphone coil. For decades, energetic microphones have already been wired with the voice coil attached with the principal of the microphone's transformer, and not called to soil (‘floating'). The microphone's event is typically attached to the cable shield, that will be connected to the microphone amplifier's floor (see Rane's web site for more discussion).
By and large, vibrant microphones are very quiet devices consequently of the mixture of transformer isolation and balanced, suspended indication lines for the duration of, as well as shielded, humbucking coils.
Therefore why not instruments? Instruments are once affected by noise. Humbucking pickups are only an incomplete (though crucial!) solution. The obvious answer is always to float your guitar pickup to a balanced productivity, being a microphone. A similar strategy was published that 2001 patent software like this Who Sang The Song Blue Moon?