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39-116 Questions?
#5

The first cap of the rectifier is usually chosen to set a certain B+ voltage. The higher the capacitance, the higher the voltage will be. But this is only due to the high output resistance of rectifier tubes. Semiconductor diodes have very low resistance, so your voltage might go up quite a bit. Hence what Olskuul said about the resistor. Which could be chosen close to that tube's resistance.

People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.


Messages In This Thread
39-116 Questions? - by Pepperoni - 03-21-2018, 11:21 AM
RE: 39-116 Questions? - by Radioroslyn - 03-21-2018, 11:28 AM
RE: 39-116 Questions? - by Olskuul - 03-21-2018, 11:41 AM
RE: 39-116 Questions? - by Pepperoni - 03-21-2018, 12:43 PM
RE: 39-116 Questions? - by morzh - 03-21-2018, 02:58 PM
RE: 39-116 Questions? - by Pepperoni - 03-24-2018, 12:04 PM



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