| 摘要 |
<p>PURPOSE:To provide a grounded potential difference compensating circuit where internal grounded potential difference between two circuit parts where a signal is transmitted and received is compensated. CONSTITUTION:The grounded potential VG2 of a succeeding stage circuit part 800 is transmitted to a preceding stage circuit part 700 and the compensating circuit(600, 26, 27, 28 and 29) of the preceding circuit part 700 superimposes the grounded potential VG1 of the succeeding circuit part 800 on a signal voltage VO by a subscribed ratio so as to output it to the signal input end of the succeeding circuit part 800. In result, the succeeding circuit part 800 is not affected by the fluctuation of grounded potential VG1 and VG2 and processes the inputted analog signal voltage.</p> |
