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Anyone can become a short-wave player after passing the appropriate exam, but first he should get acquainted with this hobby to assess whether this topic really interests her. Polish radio players can usually be heard in the 80 and 40m ranges. The farthest stations (already rarely Polish-speaking) will be heard in the 20m range. It is worth building a multi-band HF listening receiver, because depending on the time of the day and the year, as well as variable propagation conditions, we will not always hear something, having access to only one band.
The system is characterized by good electrical parameters and a small number of required external components. Receiver STAS, works in a classic superheterodyne system with a single frequency transformation from ff. 4.43MHz. The device uses two popular MC3362 and LM386 integrated circuits. The number of elements, including LC circuits, has been limited to the necessary minimum.
Project AVT 3230 EdW 08/18
Manufacturer AVT SPV Sp. z o.o. Leszczynowa 11 03-197 Warszawa Poland zamowienia@avt.pl
Responsible person AVT SPV Sp. z o.o. Leszczynowa 11 03-197 Warszawa Poland zamowienia@avt.pl
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Fidget away your stress or anxiety by building these U-Fidget Creations! These 4 unique miniature models are perfect for grown-ups and kids alike. They are made entirely from wooden materials and require no glue, toothpicks, or tools to assemble. UGears 70041
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Wireless, precision, high accuracy pressure and temperature sensor with built-in event memory
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MinIMU-9 v2 Gyro, Accelerometer, and Compass (L3GD20 and LSM303DLHC Carrier)
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AVT kit for self-assembly of an accurate clock with a 20mm display set by means of GPS. AVT5522 / 1 B
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AVT kit for self-assembly of the Lock code lock. AVT5601 B
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AVT kit for self-assembly slow slow brightener for 12V LED strips. AVT1975 B
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Printed circuit board of a four-band STAŚ receiver. Receiver CW / SSB beginacz nasłuchowca (80/40/30 / 20m). AVT3230 A