【正文】
Parameters Subst = microstrip substrate name W = line width, in specified units S = spacing between lines, in specified units L = line length, in specified units Temp = physical temperature, in 176。 C W1 = (ADS Layout option) width of line that connects to pin 1 W2 = (ADS Layout option) width of line that connects to pin 2 Range of Usage 1 Er 18 Simulation frequency (GHz) where Er = dielectric constant (from associated Subst) H = substrate thickness (from associated Subst) W 0, S 0, L 0 for layout W1 0, W2 0