G4USP

Page last updated: 08/08/2021

Electronic Components

 

    OZL coils

Now that RF coils are becoming more difficult to obtain off the shelf for that next project, don't throw away those apparently useless old IF and RF transformers buried inside that broken old radio. Here is a guide to re winding them.

 

SXP Blue 75 Ohm 600 MHz Attenuator

    Resistive Pi attenuator calculator

Component value calculator for resistive impedance matching Pi attenuator...

 

SXP Blue 75 Ohm 600 MHz Attenuator

    Resistive T attenuator calculator

Component value calculator for resistive T attenuator...

   

 

 

 

BACK  HOME