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Matsushita Elec. Indus.Co., Ltd.
| Matsushita Elec. Indus.Co., Ltd. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090008535 | Differential amplifier circuit, operational amplifier circuit, light-receiving amplifier circuit using the same, function selection circuit, and light-receiving circuit using the same - A differential amplifier circuit, an operational amplifier circuit, and a light-receiving amplifier circuit using the same are provided, by which the influence of an on resistance of an analog switch is reduced during the switching of gain resistances. An NPN transistor Q | 01-08-2009 |