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Скачать с ютуб Tuning up your QCX+ в хорошем качестве

Tuning up your QCX+ 3 года назад


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Tuning up your QCX+

How to optimize your QCX/QCX+/QCX-mini for best performance. Applies to the whole QCX range: QCX, QCX+ and QCX-mini. From time to time people ask about low power output, particularly on 20m and 30m versions of the radio; the video shows my tune-up, test and adjustment procedure for a 30m QCX+ with TCXO and Enclosure options. Initial power output was just 0.77W but by the time I was finished, merely by adjusting the inductors, I had 4.6W (both at 12V supply). The video also shows the oscillator calibration (using QLG1 GPS) and the receiver alignment procedure. Links: QCX+ http://qrp-labs.com/qcxp QCX+ shop: http://shop.qrp-labs.com/qcxp Assembled QCX+ in shop: http://shop.qrp-labs.com/assembled QLG1 GPS: http://qrp-labs.com/qlg1 Power measurement tutorial: http://www.qrp-labs.com/qcxp/rfpower.... Our source for micrometals toroids: https://kitsandparts.com/ Our source for Vishay NP0 capacitors: http://digikey.com

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