Wideband Active Antenna Circuit


A 30 to 50 cm whip antenna provides reception from 10 MHz to over 220 MHz. T1 BF981, a dual-gate MOSFET, provides low noise, high-input impedance and high gain. The circuit is powered via the coaxial cable used to connect the antenna to a receiver.

Wideband active antenna amplifier circuit

Vlf vhf wideand active antenna


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