HX108-2 AM Radio Electronics Learning Kit 1 Set 7 Tube AM Radio Electronic DIY Kit Electronic Learning Kit HX108 2 Diy Kit Without Battery Easy Install I5935331386 Build Your Own Electronics Set TRIODES: The whole machine contains 7 triodes, so radio electronic diy kit is called 7-tube radio. Radio kit Electronic production parts HX108-2 AM s... – Grandado IC TEST PORT: All levels of circuits have IC test ports, so this electronic radio practice project is very easy to use and practice. Rado Dy Kt at Fred Morales blog 1., The whole machine contains 7 triodes, so it is called 7-tube radio., 2., Triode V1 is the frequency conversion tube, V2 and V3 are the medium amplifying tube, V4 is the detection tube, V5 is the low frequency pre-amplification tube, and V6 and V7 are the low frequency power amplifier tubes., 3., The secondary medium amplifying tube is standard circuit, and the intermediate frequency has been adjusted to 465KHz., 4., The outer casing plastic is new material, long lasting., 5., All levels of circuits have Ic test ports., 6., The circuit diagram, assembly drawing, parts list and process documentation are complete. HX108-2 DIY 1 Set 7 Tube AM Radio Electronic DIY Kit STANDARD CIRCUIT: The secondary medium amplifying tube of this radio electronic parts is standard circuit, and the intermediate frequency has been adjusted to 465KHz.
