Monday, July 07, 2014

Simple AM/FM/SW/MW booster Circuit

Today Free Circuit Diagrams 4U is going to give you a very useful circuit diagram in some countries we can see some radio signals are poor so this is the best answer .Here We have used very common Transistor MPF102 use470uH Coil for short wave and use20uH for L1.You can run this circuit with 9V






Note: 
          # Don't supply over 9V 
         # Build this circuit on a PCB 
         # You can use  NTE 451 or 2N4406 instead of MPF 102

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