Hi All,
I built a power supply with a bucking transformer to get the AC filament voltage down, it is measuring 6.4 vac and the rectified DC is 312 vdc. Here is what I built the power supply is for the BC-1A Heatkit Tuner. Here is what has me confused. The output of the 6X4 rectifier is going through a 1K 2 watt resistor and then off to the rf amp, then it goes through a 10K 1 watt and off to the audio amp. I am reading 312 vdc at all three points, before the first resistor in the middle and at the end of the string. I thought that these were voltage dividers and that they should be dropping the voltage by some small amount. I do not have the supply under any load. Please advise. The ac HV is 446 ac before rectification.
Thank you
I built a power supply with a bucking transformer to get the AC filament voltage down, it is measuring 6.4 vac and the rectified DC is 312 vdc. Here is what I built the power supply is for the BC-1A Heatkit Tuner. Here is what has me confused. The output of the 6X4 rectifier is going through a 1K 2 watt resistor and then off to the rf amp, then it goes through a 10K 1 watt and off to the audio amp. I am reading 312 vdc at all three points, before the first resistor in the middle and at the end of the string. I thought that these were voltage dividers and that they should be dropping the voltage by some small amount. I do not have the supply under any load. Please advise. The ac HV is 446 ac before rectification.
Thank you