| 摘要 |
Disclosed is an analog accumulator memory device of the type including a first and a second analog voltage memory devices each capable of holding an output voltage equal in magnitude to an input voltage. An output terminal of an inverter with a unit gain and an external input terminal are connected to an inverting input terminal and a noninverting input terminal, respectively, of a differential amplifier with a unit gain, the output terminal of which is connected to an input terminal of the first analog voltage memory device whose output terminal is connected to an input terminal of the second analog voltage memory device with its output terminal connected to an inverting input terminal of the inverter. Switching means is provided for alternately applying a gate signal to gate terminals of the first and second analog voltage memory devices, whereby an analog quantity (voltage in this case) at the external input terminal may be added to the sum of analog quantities stored in the accumulator device.
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