Questions tagged [power]
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What's the maximum possible "DC input to radiated RF" energy efficiency of a radio transmitter system?
It's simply a bromide amongst hams that you need to match the output impedance of a transmitter to the input impedance of an antenna, but I never thought through the implications of this until I came ...
How would you design a power controller for battery, solar, and mains power?
I would like to build a device that acts as a charge controller and battery switch. Where would I look for circuit diagrams and component suggestions for something like this? I'm trying to build ...
What power levels do the Baofeng UV-5R/5RA/5RE have? [closed]
What are the power settings of handheld radios of the Baofeng UV-5R series in watts?
Need help in the fabrication of an UHF power amplifier
I recently decided to conceive a 10W class 446MHz amplifier. I want to be able to amplify a 100mW signal into a 10W, for that i'm going for a two stages amplifier : SKY65162 to amplify the signal to ...
Purpose and sizing of capacitors placed across RF push-pull power amplifier transformer windings
I keep finding RF push-pull power amplifier designs specified with a small(-ish) capacitor across the primary (or secondary) windings of the coupling transformers. Here's an example: This is one ...