Many of us will have found dusty forgotten pieces of electronics and nursed them back to health, but we were captivated by [Don]’s tale of electronic revival. Instead of perhaps a forgotten computer ...

Mouser Electronics is stocking a 5G linear RF amplifier from Qorvo. QPA9822 is designed for 32-node mMIMO (massive multiple-input and multiple-output) antenna systems found in wideband 5G NR (new ...

Over the years, tutorials have appeared in EMC journals explaining how to estimate the power required from a power amplifier intended for use in an RF immunity test system. Little material, if any, ...

If you need an amplifier, [Hans Rosenberg] has some advice. Don’t design your own; grab cheap and tiny RF amplifier modules and put them on a PCB that fits your needs. These are the grandchildren of ...

Important efficiency requirements exist on both the handset and the base-station sides of the telecom world. In handsets, efficiency directly translates into battery life. By increasing cell-phone ...

In reality, RF signals are “rectified” at the input of the amplifier by electrostatic discharge (ESD) diodes, input structures, and other non-linear elements contained within the amplifier. In a ...