40 MHz Wideband RF Amplifier

This transmitter works, radio frequency range with a wideband frequency of 40 MHz.So you can use this with lots of electrical equipments


The circuit is consuming a total of 7 mA of current while the gain is in the measurement of 20 dB. All these values are due to the presence of a 12 V up to 15 V DC supply. The input and the output of the circuit are designed to be compatible with coaxial cables with complex resistance of 75 Ohms.

Part List

R1=75ohm
R2=10Kohm
R3-7=5.6Kohm
R4-5 =4.7Kohm
R6=820ohm
R8=470ohm
R9=2.2Kohm
R10=68ohm
C1-3=47nF 100V
C2-4=10nF 100V
C5-6=47nF 100V
Q1-2-3=AF125
J1-2=Jack BNC