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CBJTv2 Logic

A Complementary Bipolar Junction Transistor Logic family

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CBJTv2,another exotic type of logic gates.This version of CBJT is my experimental logic family that is 5V CMOS compatible,but requires dual power supply (+-2.5V) and GND as VREF. Resistors are used to limit the input current and transistors on the input are added to prevent output transistors from opening both at the same time,that will lead to short circuit. This schematic was inspired from output stages of power amplifiers.

Input Type:Differential (very similar to comparator)
Output Type : Tri-State Saturated (there is no output if the input voltage on all inputs =0Vin)
High Level Input/Output Voltage : +2.5V(up to +Vs)
Low Level Input/Output Voltage : -2.5V(down to -Vs)
I/O Current : Depends on Transistors and Resistors.

Inverter https://tinyurl.com/yf9fkll7
Buffer https://tinyurl.com/yf45pm5w
NOR Gate https://tinyurl.com/yjtaabuv
OR Gate https://tinyurl.com/yk3jc7pm
NAND Gate https://tinyurl.com/ye39gj2d
AND Gate https://tinyurl.com/yg885ak9





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Discussions

Michael Möller wrote 06/02/2020 at 18:12 point

Shouldn't the symbol for BUFFER in the gallery just be a single buffer (ie just a triangle without the circle at end) and not two NOTs? It doesn't even reflect a double-latency to the single NOT (or is there?)

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George.S wrote 06/03/2020 at 07:39 point

Yes,it should be. ( Falstad does not have that symbol )

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Yann Guidon / YGDES wrote 04/09/2020 at 12:46 point

Would you try to implement a ring oscillator ?

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George.S wrote 04/17/2020 at 08:34 point

Maybe once.

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Yann Guidon / YGDES wrote 04/09/2020 at 12:44 point

So it's an evolution of #CBJT Logic by @Ted Yapo ? :-)

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George.S wrote 04/17/2020 at 08:35 point

No,it`s independent.

  Are you sure? yes | no

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