Simple RF Power Meter

• Simple RF Power Meter

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    Here is a simple set up which will enable them to measure the out   put power of their transmitter. All that they require is a good  multimeter which has a sensitivity of 20k ohms/4 Watts which is adequate   for low power transmitters. Many beginners trying out their skill with  QRP TX, for the first time have to overcome many problems before they  are able to come on the air. On usual complaint is that, every thing is  working fine but the signal is not going out.   The 8k resistor should be kept close to the out put terminal of  the transmitter. Switch on the transmitter in the CW mode and measure  the DC voltage with the multimeter. If the voltage is V then the out put   power is given by Power = V^2/50

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