APPLICATION NOTE
4
is a hidden pin as shown in Figure. 3. If it is left unconnected in a schematic, OrCAD Capture will generate a
unique net. Alternatively, a specific net can be named for the connection by editing the PSpiceDefaultNet attribute
value (see Figure. 4) for the XMITS part instance; this way, the STR pin will have a known label ( S21 in this
case) when analyzing simulation results within the Probe window.
Figure 4: Pin Properties for the XMITS part showing hidden STR pin
Sub schematic for Transmission coefficients
measurement, REFLECTS
Figure 5: REFLECTS circuit and its hierarchical part
