function capp025 = pmos025cap(W, L, vgs, vds, vsb)
% analysis of capacitances of PMOS transistors;
% it is assumed that the drain and source areas extend over 2.5 * L

% capacitance technology parameters
% [tox, cov, cj, mj, pb, cjsw, mjsw, pbsw]
ctech = [5.8e-9, 2.68E-10, 0.00193, 0.48, 0.91, 2.23e-10, 0.32, 0.91];

% basic technology parameters of 0.25 micron process
tech = [-1, -0.40, -0.4, -30.34e-6, -0.1, -1.04, 0, 0.015];

% return function is [cgs cgd cgb cdb csb]
capp025 = moscap(W, L, vgs, vds, vsb, tech, ctech);