LTSpice Simulations and Transistor Notes

For whatever reason, generic transistors in LTspice (pmos, nmos, npn and pnp options) have a large on-state resistance
- Whenever I am simulating a transistor circuit ALWAYS use a real transistor to avoid "weird" simulation results
***MOSFETS: both pmos and nmos, are really bi-directional devices, while, for example, nmos transistors are suppose to have current flow from the drain to the source, if the voltage at the source is higher than the voltage at the drain and the gate is high, then current can flow from the source to the drain. Vice versa for pmos transistors.
- Need to place two transistors, of the same type (2nmos or 2pmos) in series with their sources connected to prevent this

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