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Old Electronics
Shunt Resistance of the FT101E Radio
16
hace 5 años
hace 5 años
Greetings, someone can tell me, what value has the Shunt Resistance of the Ft101E radius, since I have a radius with that damaged piece and I have tired of looking for the Ohmic Value and I have not achieved it. neither in the manual says the value this resistance is under the valves in the sockets, one leg goes to Earth and the other goes to a bridge that goes to the two tubes of the FT101E, I need the value and the wattage of it, and If there is any side that sells you much better. Thank you, Mil
10.397
hace 5 años
hace 5 años
I guess you mean the filament resistance, this you have to calculate, it's quite simple, you just have to add the filament feed voltages of all the valves, subtract it from the grid tension, this gives you the voltage drop you need to do, you see the necessary amperage with the datasheet of the valves and you calculate the ohmic value and the resistance watage with ohm law here I leave you a guide from another post https://www.yoreparo.com/electronica-antigua/preguntas/1539112 / filament-resistance greetings
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