Normally, if you want to control the gain of an amplifier, you’ll use a variable resistor. You know, like a volume control. But what if you want to control the amplifier’s gain with a voltage?
Avago MGA-310G is an easy-to-use, Global Navigation Satellite System (GNSS) band low noise amplifier with variable bias current and shutdown functions. The amplifier has a very low noise figure of ...
The superbal circuit will be familiar to anyone involved in balanced signal transmission [1]; it is a differential amplifier which presents identical input impedances to both legs of a balanced line.
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