Solenoid plungers
Equation of motion of a plunger.
A crash course on JFETS
A quick intro to JFET equations.
L4C Seismometer transfer function
Deriving the i-v curve of a seismometer.
Noise analysis of OPAMPs
A quick intro to noise equations in OPAMPs.
Johnson Noise
A derivation of Johnson noise.
Wiener Khinchin Theorem
A proof of Wiener Khinchin theorem.
Integral of the month: \( \iint_S dt' dt f(t'-t) \)
When the function depends only on the difference of the parameters…
A refresher on statistical mechanics
A refresher on statistical mechanics based on Leonard Susskind’s lectures.
Lagrange Multipliers
A closer look into Lagrange Multipliers with the geometrical interpretation and a few examples.
Stirling approximation for factorial
Stirling’s approximation for the factorial function.
