
Op Amps (E7G12)
The 2020-2024 Extra License question pool wants to ensure you know a thing or two about operational amplifiers, an analog…

The 2020-2024 Extra License question pool wants to ensure you know a thing or two about operational amplifiers, an analog…

One of the more advanced topics in amateur radio electronics, and one that is often difficult for students to fully…

In Part 1 of this series,It’s Just a Passing Phase, we defined the sine waveform of the most common AC…

In Part 1 of this series, Just a Passing Phase, we defined the sine waveform of the most common AC…

The 2019-2023 General License question pool asks about capacitive reactance: G5A06: How does a capacitor react to AC? A. As…

The 2019-2023 General License question pool touches on the digital mode concept of the automatic repeat query, or ARQ: G8C07:…

The 2019-2023 General License question pools includes a question about the type of encoding used with the PSK31 digital mode:…

The 2020-2024 Extra License question pool asks a deep question about DX techniques requiring some good knowledge of propagation science:…