An integrated circuit (IC) type voltage signal converter is provided for integrating with other ICs. The signal converter includes a first chopper circuit module, a second chopper circuit module, a full wave combining module, and a zero point detecting circuit module. Each of the circuit modules may be formed by an IC module. The first and second chopper circuit modules are composed of differential operational amplifiers for converting a high voltage signal into first and second low voltage half wave signals. The full wave combining module combines the first and second low voltage half wave signals to obtain a full wave signal. The zero point detecting circuit module converts the first and second low voltage half wave signals into a square wave having the same frequency of the high voltage signal.