シナリオ
A piezo pickup for studio recording requires extremely high input impedance, low noise, and a balanced output to drive long cables to a mixing console.
この図に含まれるもの
図の背後にある意思決定を読み解く。
01
Non-inverting JFET-input op-amp stage for high impedance and low noise
02
Unity-gain inverter for phase-split balanced output
Piezo contact mics, acoustic instrument pickups, or any high-output-impedance transducer needing clean gain and balanced connectivity.