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Technical blog

A very cheap antenna analyzer for HF bands

Currently, there are just two types of antenna analyzers: the bad ones and the expensive ones. The first type is usually built around diode detectors and has a tuning knob to set the frequency of its LC …

Testing standard and custom-made cables

Every product our company manufactires is supplied with a standard USB cable . Additionally, we supply custom-made cables with various connectors for other RigExpert interfaces. Unfortunately, at present not all USB cables are of good quality, so …

Regulated load with current stabilization (in Russian language)

Регулируемая нагрузка для испытания источников питания Это несложное устройство позволяет проверять источники питания постоянного тока, разряжать аккумуляторы фиксированным током, стабилизировать ток для разнообразных экспериментов и т.д. Оно собрано на микросхеме LT3080 и еще нескольких элементах. Параметры: – …

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