Basic Circuit Elements Note: Keep grid snap on, this helps align devices on nodes All devices are sized to fit the default grid F1F1 V1V1 I1I1 Q 23 M 23 R 23 C 23 R 23 L D1D M 23 F1F1 Node pinsConnectorsPortsLabels F1F1 In V cc Out Gnd Cut and paste parts, connect and label with these:
Example Circuits Out + - In Out R1R1 R2R2 V gen R gen V cc V out RcRc Q1Q1 C in R Ed c CeCe C out RLRL R b1 R b2 R gen V dd V out RdRd M1M1 C in C out RLRL R g2 -V ss
FET Small-Signal Equivalents C gs v gs + - g m v gs C ds r ds C gs v gs + - g m v gs C gd v gs + - g m v gs C gs v gs + - g m v gs C ds r ds C gs v gs + - g m v gs GD S RLRL V in RgRg C gd GD S C gs v gs + - g m v gs C gd GD S
BJT Small-Signal Equivalents CμCμ v be + - g m v be CπCπ roro RLRL rπrπ roro BC E v be + - rπrπ V in RgRg