RF voltmeter with a linear scale
RF voltmeter with a linear scale
RF voltmeter with a linear scale

RF voltmeter with a linear scale

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Soldering Project Kit!

One of the necessary devices in the Arsenal of a short-wave radio Amateur is a high-frequency voltmeter. The device is offered, and with an arrow milliammeter as an indicator, which, in contrast to the digital one, allows you to easily and visually assess changes in readings quantitatively, and not by comparing the results. This is especially important when setting up devices where the amplitude of the measured signal is constantly changing. With all the obvious simplicity, the RF voltmeter has a linear scale that eliminates problems with calibration and good parameters:
- the range of the measured voltage – 10mV up to 20V;
- the working frequency band is 100 Hz.. 75 MHz;
- input resistance – not less than 1 MOhm with an input capacitance of not more than a few picofarads, which is determined by the design of the detector head;
- the measurement error is not worse than 5%.

The device can be used in Amateur practice when adjusting radio stations and radio telephones. Power supply 12V.

KIT: documentation,  printed circuit boards (PCB drill mask), voltmeter and power supply onto a single Board the size 75х63 mm, the probe size 75х7 mm, all electronic components required for assembly, band switcher, device 1mA.