How to Improve Return Loss or VSWR

In this post we show a simple technique to improve the return loss of an RF component like a mixer or amplifier. A good VSWR to aim for is at …

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EIRP Calculator

Use this calculator to find the Effective (or Equivalent) Isotropic Radiated Power EIRP in dBm, dBW and Watt. Enter: Formula EIRP = PTx – LC + GAnt Background Effective Isotropic …

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What is the Arduino ADC Sampling Rate?

The maximum sampling rate of the Arduino’s Analog-to-Digital converter is 15 kilo-samples per second or 15,000 samples per second. In this post we get into the details – explain why …

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[SOLVED] Corsair HS35 Mic Not Working

The Corsair headset comes with an built-in mic for gaming. It is a versatile product that is compatible with gaming consoles, phones, and computers. Customers get the option to buy …

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CLC Filter Calculator

A CLC filter is comprised of a Capacitor-Inductor-Capacitor in a pi π configuration. This creates a low pass filter (LPF). This tool calculates values for each of the components based …

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Log Base 3 Calculator

This simple tool computes the value of Log3(x) for any value of x Log3(x) Table x Log3(x) 1 0 2 0.630929753571457 3 1 4 1.26185950714291 5 1.46497352071793 6 1.63092975357146 7 …

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Baofeng vs Retevis (which one is better?)

Amateur radio is as popular as ever and there are a number of radio hardware manufacturers with products on the market today. The most popular and cost-effective option is Baofeng. …

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Rigol vs Siglent – which is better?

When it came to picking a scope for the lab, there was a time when the only scopes worth purchasing were Tektronix or Agilent. But that was 20 years ago. …

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