Inside The Metal Detector George Overton Carl Morelandpdf Upd ((new)) Official

Do you want:

• Use JFET input op-amps (e.g., TL072) for RX preamp.
• CD4053 analog switches work well for demodulation.
• Coil nulling: Physical adjustment + trim capacitor.

Carl Moreland: The founder of Geotech and former Engineering Manager at White's Electronics, one of the world's most famous detector manufacturers. Do you want:

5. Ground Balancing

• Manual vs. automatic ground balance.
• The “ground phase” and how minerals affect it.
• Overton’s original ground-balance feedback loop.