A device comprising: level-shifter circuitry (30; 230); and biasing circuitry comprising: at least four diodes, wherein each diode (14A-14D) of the at least four diodes is electrically connected in series; and push-pull circuitry including a high-side switch and a low-side switch, wherein a gate terminal of the high-side switch is connected to a node between a first diode and a second diode of the at least four diodes and a gate terminal of the low-side switch is connected to a node between a third diode and a fourth diode of the at least four diodes, and configured to generate an intermediate voltage signal at a node between the high-side switch and the low-side switch, wherein the biasing circuitry is configured to: deliver a high-side biasing signal to the level-shifter circuitry (30; 230) based on the intermediate voltage signal and a high-side voltage signal from the at least four diodes, and deliver a low-side biasing signal to the level-shifter circuitry (30; 230) based on the intermediate voltage signal and a low-side voltage signal from the at least four diodes. level-shifter circuitry (30; 230); and biasing circuitry comprising: at least four diodes, wherein each diode (14A-14D) of the at least four diodes is electrically connected in series; and push-pull circuitry including a high-side switch and a low-side switch, wherein a gate terminal of the high-side switch is connected to a node between a first diode and a second diode of the at least four diodes and a gate terminal of the low-side switch is connected to a node between a third diode and a fourth diode of the at least four diodes, and configured to generate an intermediate voltage signal at a node between the high-side switch and the low-side switch, wherein the biasing circuitry is configured to: deliver a high-side biasing signal to the level-shifter circuitry (30; 230) based on the intermediate voltage signal and a high-side voltage signal from the at least four diodes, and deliver a low-side biasing signal to the level-shifter circuitry (30; 230) based on the intermediate voltage signal and a low-side voltage signal from the at least four diodes. at least four diodes, wherein each diode (14A-14D) of the at least four diodes is electrically connected in series; and push-pull circuitry including a high-side switch and a low-side switch, wherein a gate terminal of the high-side switch is connected to a node between a first diode and a second diode of the at least four diodes and a gate terminal of the low-side switch is connected to a node between a third diode and a fourth diode of the at least four diodes, and configured to generate an intermediate voltage signal at a node between the high-side switch and the low-side switch, wherein the biasing circuitry is configured to: deliver a high-side biasing signal to the level-shifter circuitry (30; 230) based on the intermediate voltage signal and a high-side voltage signal from the at least four diodes, and deliver a low-side biasing signal to the level-shifter circuitry (30; 230) based on the intermediate voltage signal and a low-side voltage signal from the at least four diodes. deliver a high-side biasing signal to the level-shifter circuitry (30; 230) based on the intermediate voltage signal and a high-side voltage signal from the at least four diodes, and deliver a low-side biasing signal to the level-shifter circuitry (30; 230) based on the intermediate voltage signal and a low-side voltage signal from the at least four diodes.