2 layers37.5 × 97.5 mm

Double gain
Supermagnum/double-gain
A small PCB that uses two TL082BCP op amps to amplify a signal from a contact microphone.
39 parts10CC-BY-4.0
Boards in 1 GitHub repository, designed in KiCad, that use the TL082BCP by Texas Instruments (-20V~-2.25V、2.25V~20V 0℃~+70℃ 100pA 105dB 18nV/√Hz@1kHz 1mV 1pA 2 20V/us 2uV/℃ 4.5V~40V 5.25MHz 960uA Short-Circuit Protection、EMI filtering/RF suppression PDIP-8 FET Input Amplifiers ROHS). See how each wires it, with its parts, size, README and files; the TL082BCP’s symbol, footprint and pinout are on its own page.

Supermagnum/double-gain
A small PCB that uses two TL082BCP op amps to amplify a signal from a contact microphone.