| 摘要 |
The variable gain amplifier according to one embodiment of the present invention is characterized in that it comprises: a voltage-to-current converter receiving voltage with a view to converting said voltage to current and outputting the current; a Gm controller generating and outputting control voltage for adjusting transconductance (Gm) using the current outputted from the voltage-to-current converter; a switching device into which the control voltage is inputted; and a Gm cell unit controlling an output current according to the voltage inputted to the switching device. |
