I bet /g/ can't even explain this simple transistor

wow an npn how interesting

>>61372867
Go back to bed, gramps. We have computers, solar power and automation now. Electricians and other manual laborers will be completely useless to society in 5 years.

>>61372907
How?Who the fuck is gonna run the wires?

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>>61372867

>using BJTs
>in common emitter configuration

>>61372867
Common emitter amplifier with DC biasing omitted.

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>>61372907
Bait

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>>61372907
>Electricians and other manual laborers will be completely useless to society in 5 years.
Millennials actually believe this

>>61372867
do your own homework or post it on >>>/wsr/

>>61372867
RTL inverter. Go back to bed.

>>61372951
Don't you wanna do calculations with dem beta values though?

>>61373163
>explain it
not
>name it

>>61372867
Not gate

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>>61373168
>beta values
>tfw I got autistically mad because I didn't get the datasheet given values on lab

>>61373173
what's to explain?

Logic high on the input results in current flowing from the base to emitter, causing a maximum current of ibe*Beta to also flow from collector to emitter. The resistor is chosen so that Vcc/R > than that maximum current, so it pulls the collector voltage to near zero (Vce~=Vbe) resulting in an output of logic low.

When the input is logic low, Ibe = Ice ~=0 so voltage at the collector will be logic high, so long as the output load isn't too high (see also: fanout restrictions).

Works with a mosfet too, but switches via voltage and not current.

Jesus. It's like you never finished high school.

>>61373270
Now explain a long-tailed pair. If you can, I'll do a cascode.

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>>61372867
I'm a programmer. I don't need to know this.

>>61373839
Bit you wouldn't be a programmer without this.

>>61373864
Wouldn't be a programmer without mining or ore refinery either

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>>61373864
Programming, and computer science in general, are closer to math and design than any engineering discipline. There's much more useful things to do in my free time.

>>61372867
Engineer here. That's like the first circuit you have to make while they teach you how the board connection works.

What the fuck dude. Apply yourself.

>>61372867
This is a shitty analogue NOT gate. Driving a bit of current at the base will cause the resistance of CE to drop, pulling the point at Vout down.

It's shit because the response is both non-linear and very gradual. You have to cram a lot of current into the base to get a sharp edge on the output.

If Vin is null
>base not connected to the collector
>Vout becomes approximately Vcc (up to the resistor's effect)

If vin is non-null:
>base connected to the collector
>Vout connected to the base and thus to the emitter
>emitter is grounded
>therefore Vout = 0 V

t. never analyzed a circuit with transistors before

>>61372938
>>61373143

LOL, running wires? You really have no idea about the current state of technology.

ENTIRE HOUSES are already being 3D-printed. You'll literally just pay the bill and have a full house with everything installed and functional automaticallyin a few hours.

https://www.youtube.com/results?search_query=3d-printed+house