Radio source transmitter detector

[haridarshan]

Circuit that can find a radio source transmitting at a specified frequency; placed anywhere within a designated area of 1500m x 1500m.

frequency: - 144-146 MHz may be less or more than that

power consumption of circuit must be low

Wide range RF gain control (attenuator), so that it is able to take bearings in the vicinity of the transmitter.

directional Antenna.
signal strength indicator.