This antenna amplifier is very useful for 35kHz-150Mhz frequency band. This antenna amplifier circuit is based on transistors and has a low 3dB non-linearity and a high gain of 43 dB. The input and output impedance for this rf amplifier is 75 ohms. All used transistors are of the same type and can be BF183, BF200 or other similar type. The tot
al consumption of this rf amplifier is very low, the circuit will need only 20 mA.