Linear, small-signal AC models can be useful in the analysis and design of vacuum-tube-based circuits. Under large-signal conditions, nonlinear models are typically required. Almost 120 years ago, ...
This way, 10 simulations will be run, each with a different resistance value between 1 KOhm and 10 KOhm. As usual, the different behaviors will be studied with the LTspice and ngSpice software.
Why input-referred calculations are valuable in gaining system insight. Why combining noise sources referred to input (RTI) and referred to output (RTO) is best to determine system performance.