A n-channel metal-oxide semiconductor (nMOS) transistor has n-type carriers in the channel. A positive voltage on the gate turns inverts the substrate (PWell) creating the channel and turning the device on. The term may also be used to describe logic circuits built around nMOS transistors.
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Drawing VTC from IV
So I am given the IV characteristic plot along with the resistive load circuit which looks like:
The load is a 25k resistor. I want to understand how to actually do the problem which is why i didn't ...
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CMOS Inverter Voltage Transfer Function
So let's say I have a perfectly symmetrical Voltage transfer function curve for my CMOS inverter. The curve looks like this:
The question is, how would this curve change if the size of the NMOS ...
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Nmos-bjt darlington pair dc bias. [Homework Help]
I have a homework assignment I need some help with.
I wanted to know if someone could tell me if I'm doing the dc bias calculations correctly, if not, could someone nudge me in the right direction.
...
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what happens when transistors are interchanged in CMOS?
A basic cmos inverter will have a P-transistor upside and N-transistor down side. what happens if we reverse the p and n transistors?
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In an NMOS, does current flow from source to drain or vice-versa?
In an NMOS, does current flow from source to drain or vice-versa?
This Wikipedia page is confusing me: http://en.wikipedia.org/wiki/MOSFET
The above image confuses me. For the N-channel, it shows ...
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Mosfets with capacitor on drain?
I'm trying to understand nmos mosfets. My textbook has plenty of examples dealing with the nmos with resistors. But I'm currently dealing with a problem with a capacitor on the drain. I just haven't ...
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PSpice generates gray hair, not correct answers
I have an extremely simple circuit that involves a NMOS, three resistors, and a voltage source. The circuit and info are shown below. Please understand that I could probably analyze this circuit while ...
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3answers
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Mixing NMOS and CMOS
I have an old system board for a pinball machine that I'm fixing up. One of the ROMs is failing post. The reason is because the 27S256 EPROM never had the sticker applied to the window, and due to a ...
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Where are the depletion PMOS transistors?
In school, I was taught about PMOS and NMOS transistors, and about enhancement- and depletion-mode transistors. Here's the short version of what I understand:
Enhancement means that the channel is ...
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643 views
How to determine Vth, Kn and delta from NMOS datasheet
Given this two graphs below, how do I determine Vth, Kn and delta from this?
I used this formula's so far:
The graphs are taken from the datasheet of Supertex VN10K
Can someone please help me ...
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2answers
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Strange behavior from n-channel MOSFET
I'm using BS170 N-channel enchantment mode MOSFET and have the following circuit:
The idea behind it is that the MOSFET should act as a simple switch and turn the LED on and off depending on the ...
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Why old PMOS/NMOS logic needed multiple voltages?
Why does old PMOS/NMOS logic needed multiple voltages like +5, -5, and +12 volts?
For example, old Intel 8080 processors, old DRAMs, e.t.c...
I'm interested in the causes on the physical/layout ...
