This document contains standard formulas used in electronics. It includes formulas for peak voltage, voltage ripple, DC voltage, voltage gain, current gain, transconductance, drain current, voltage amplification, and input impedance. The formulas contain variables like Vp, Vs, R, L, C, f, XC, Vr, β, gm, ID, VGS, RL, RC, hfe, Rp, and hie.

1. Standard Formula (Electronics 1)
2 Vp
V p = 2Vs − 0.7 Vp = V s − 0 .7 V p = 2Vs − 1.4 Vr ( p − p ) =
2 fR L C F
 1  Vp  XC 
Vdc = V p 1 −
 2 fR C 
 Vr ( rms ) = Vr ( out ) = 
 X −X
Vr (in )

 L F  2 3 fR L C F  L C 
 RL  I out IC  V 
Vdc ( out ) = 
 R −R
Vdc ( in )

β DC = β DC = g m = g mo 1 − GS 
 W L  I in IB  VGS ( off ) 
 
2
α DC  V  ∆I D IC
β DC = I D = I DSS 1 − GS  gm = α DC =
1 − α DC  VGS (off )  ∆VGS IE
 
2 I DSS Vo g m RL RC '
g mo = AV = AV = g m rL AV = AV = −h fe
VGS (off ) Vin 1 + g m RL hie
h fe R p
Ai = −
R p + hie