Electronic ampere-hour meter
The meter comprises a resistor (S) connected in series with the system consuming power (C). The voltage measured across the terminals of the resistor (S) is applied to the input of a modulator (MD) which modulates the signal generated by a multivibrator (MV). The modulated signal is amplified by an...
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Zusammenfassung: | The meter comprises a resistor (S) connected in series with the system consuming power (C). The voltage measured across the terminals of the resistor (S) is applied to the input of a modulator (MD) which modulates the signal generated by a multivibrator (MV). The modulated signal is amplified by an amplifier (AA) and demodulated by the demodulator (DM). The demodulated signal is sampled by a sampling integrator (IE); a display device (SA) displays the measured value. |
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