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RE: 78ma but what voltage on GM70

To determine the voltage plug the value of the cathode resistor and the quiescent current value (77-78) into the ohms law formula: Voltage = 77.5ma* Resistance of cathode resistor (which is amp dependent).

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  • RE: 78ma but what voltage on GM70 - Frihed89 12:27:49 02/05/12 (0)


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