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  1. PMOS LTSpice issue - All About Circuits

    Mar 9, 2025 · The PMOS circuit is powered by 14VDC and is using a 2n3904 to switch the Gate on the PMOS. The gate is going from 14v to 0 v, but the Drain is only going from 13.98v to 13.38v.

  2. PMOS and NMOS symbols - All About Circuits

    May 30, 2024 · The symbols in this link are shown for NMOS and PMOS for both Depletion and Enhancement mode. Those are the commonly used symbols. The question I had was how do they …

  3. How and when to use a NMOS and PMOS as current source/sink and …

    Feb 14, 2024 · Discussion on using NMOS and PMOS as current sources, sinks, or voltage sources in circuits, addressing challenges and pin configurations.

  4. PMOS CMOS strong 1 0 problem - All About Circuits

    May 10, 2008 · I have some problem regarding the strong or weak "1" "0" problem. the reason why PMOS produce weak 0, because the PMOS wil turn off at some point. the problem I dont know why …

  5. PMOS does not fully turn off - All About Circuits

    Oct 29, 2024 · HI. I am trying to design a CMOS Inverter. NMOS turns on and off as expected. However, PMOS does not fully turn off

  6. Threshold voltage interpretation in mosfet saturation biasing

    Apr 19, 2025 · 2.What is the meaning of absolute value in the PMOS saturation condition? We use absolute value for simplicity, we simply want to have the same equation for NMOS and PMOS. And …

  7. How to Calculate Width and length for a NAND3 Gate to Meet Timing ...

    Dec 13, 2024 · • PMOS Network: • 3 PMOS transistors connected in parallel in the pull-up path. • Effective width increases due to the parallel configuration. My Approach: To calculate the transistor …

  8. PMOS not turning OFF at higher Voltage | All About Circuits

    Jun 17, 2024 · The PMOS should provide voltage across this load for a very short period of time (100us-150us). During switching, I have observed that the MOSFET works absolutley fine during ON state, …

  9. How to use PMOS mosfet? - All About Circuits

    Nov 5, 2021 · Hi readers, is this the correct way to power a PMOS mosfet? I am unfamiliar with PMOS but quite familiar with NMOS. Question: How to use PMOS to power a 10 Ohm Load? Thank you I …

  10. Purpose and Calculation of TVS Diode and R1 in PMOS-Based Reverse ...

    Jun 8, 2025 · Hi, I am working on a PMOS-based reverse polarity protection circuit for a lithium thionyl chloride cell, and I have a few doubts about the necessity and sizing of certain components — …