| Subject | English | Polish |
| commun., el. | digital demodulator | demodulator cyfrowy |
| comp., MS | modulator/demodulator | modem (A communications device that converts between digital data from a computer or terminal and analog audio signals that can pass through a standard telephone line) |
| comp., MS | modulator/demodulator | modulator/demodulator (A communications device that converts between digital data from a computer or terminal and analog audio signals that can pass through a standard telephone line) |
| radio | Nyquist demodulator | demodulator Nyquista |
| telegr. | telegraph demodulator | demodulator telegraficzny |
| radio | television demodulator | demodulator telewizyjny |
| radio | video demodulator | demodulator telewizyjny |