SWR Meter - suggestions needed

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saeed_pk

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edaboard+max9933

Hi alls
I am interfacing SWR sensor (RF Pickup Board) to a PIC MCU which gives two
voltages
1- forward Voltage (Transmit power)
2- reverse voltage (Reflected power)

I have to make an Op- Amp in b/w these two modules please suggest a way of Amplifier/filter or any other appropriate configuration
Please advice....

Thanks
 

swr sensor

Hi

Whether the sensor produce dc - you can limit the BW down to zero and add some RF bead on the opamp power reails


All the best

Bobi
 

model 181 swr meter

why don't you try MAX9930–MAX9933 low-cost, low-power logarithmic
amplifiers which are designed to control RF power amplifiers and PIC16F877 with appropriate program?
 

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