Abstract
An ultrabroadband power amplifier with automatic control of the consumption current intended for operation into an unmatched load is described. To control the amplifier consumption current and gain, voltage sensors and output-current sensors are used at the amplifier output. The amplifier passband is 20–240 MHz; gain flatness, ±1.5 dB; gain, 40 dB; maximal output power, 20 W minimum; consumption current under no-signal condition, 2.2 A; and under peak-load conditions, 6.8 A.
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