Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

How is the value of Rb (bias resistor) determined for voltages other than 3 and 5 VDC?

April 26, 2017RB Resistor value VDC voltages

0

Posted

How is the value of Rb (bias resistor) determined for voltages other than 3 and 5 VDC?

1 Answer

0

Posted

It is fairly linear and you can change Rb proportionately with the voltage for the most part. There are different responses though: for better dynamic range 33 ohm and 56 ohm at 3v and 5v respectively, for better linearity 43 ohm and 75 ohm at 3v and 5v.