When building a radio transmitter, unless it’s a very small one indeed, there’s a need for an amplifier before the antenna.

A tough challenge for test engineers is explored in terms of test methods, pitfalls, and measurement errors. For the test engineer, RF and microwave power amplifier testing imposes unique challenges.

Does the Peachtree Audio GaN400 power amplifier redefine Class D? Let’s take a deeper look at this new amplifier that offers over 400 watts per channel. Peachtree Audio are a very interesting company.

The circuit was designed for the purpose of increasing an input signal of 4 Watts to 6 Watts operating on the VHF radio frequency band specifically the FM band with 88 to 108 MHz frequency. Very High ...