A circuit (3) for translating voltage signal levels includes: a diode (D1); a first resistor (R1) with one end connected to the cathode of the diode; a metal-oxide-semiconductor field effect transistor (Q1), with the gate thereof connected to the other end of the first resistor, and the drain thereof being grounded; a second resistor (R2) with one end connected to the source of the metal-oxide-semiconductor field effect transistor; and a power supply (Vcc) connected to the other end of the second resistor. The circuit performs voltage signal level translation by the switching on and off of the MOSFET located between devices utilizing different logic signal families, without the need for a level translation IC. The circuit is simple and can save costs.

 
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