High-voltage high input impedance unity-gain voltage buffer
We present a novel structure of a voltage buffer for high-voltage SoI systems. Source-input and gate-input buffer best features are kept by the new buffer. High impedance input node without any DC-path is the asset of by the new buffer. Voltage gain very close to unity is also obtained by the new buffer structure. Most of the modifications are placed in off-signal-path current-bias section.
high input impedance high-voltage circuits unity gain voltage buffers silicon-on-insulator process