I snipped this from the NEETS module 8 , for amplifiers. (navy electronics education and training series).

This image is the books basic concept schematic for a class AB amplifier, but what I'm talking about is the input for the signal being on the emitter, and the base being grounded.

Is this a possible circuit? I see it nowhere else, the logic doesn't seem to work out, but then, the navy has signed and dotted this module so perhaps it's a conspiracy to promote closed-culture and exclusive behavior, or perhaps it's just someone who thinks they don't get paid enough so maliciously wrote the texts, either way to me, with my untrained eye, it does look inaccurate.

 

There are three BJT configurations, common base, common collector, and common emitter.



Each configuration has different operational characteristics. You need to learn all three.







What you are looking at is the common base configuration.

 

I snipped this from the NEETS module 8 , for amplifiers. (navy electronics education and training series).

This image is the books basic concept schematic for a class AB amplifier, but what I'm talking about is the input for the signal being on the emitter, and the base being grounded.

Is this a possible circuit? I see it nowhere else, the logic doesn't seem to work out, but then, the navy has signed and dotted this module so perhaps it's a conspiracy to promote closed-culture and exclusive behavior, or perhaps it's just someone who thinks they don't get paid enough so maliciously wrote the texts, either way to me, with my untrained eye, it does look inaccurate.

Don't assume things not in evidence.

That type of circuit existed before transistors.
https://www.worldradiohistory.com/A...ounded-Grid-Power-Amplifiers-Spitzer-1946.pdf

 

There are three BJT configurations, common base, common collector, and common emitter.

View attachment 366804

Each configuration has different operational characteristics. You need to learn all three.

View attachment 366805


View attachment 366799


What you are looking at is the common base configuration.

Don't assume things not in evidence.

That type of circuit existed before transistors.
https://www.worldradiohistory.com/A...ounded-Grid-Power-Amplifiers-Spitzer-1946.pdf
View attachment 366806View attachment 366807

thanks all.

I see. this makes tons of sense. I feel a lot better now!