Single Stage Extremely High Gain Amplifier

123

01:51:25

First of all i know this is a bug. I just found it interesting, since this is an improbability in reality. A single stage amplifier with a voltage gain of 6000000 (135dB) is impossible yet there it is. The frequency response is bad and doesn't subject to the normal techniques of widening it. Also it appears to be working linearly without biasing, which is also impossible. What is more bizarre is that there isn't any LC tank circuits in which the voltage builds up. Usually at 1uV input signal, some resonance is a must. 

published 10 years ago

nikisalli

10 years ago

Try to modify it like this ;-) http://everycircuit.com/circuit/5832532210221056

jpoulin0901

10 years ago

Might have something to do with your 100meg load resistance. I imagine the values involved in computing this sim are so grainy they border on negligible. Your power gain is nothing to get excited about either. It is curious though, I'll give you that.

thebugger

10 years ago

The power gain is not much but a 135dB gain for a single stage is curious, yes. Even if you remove the 100Mohm resistor it still acts pretty much the same way

add comment in editor

EveryCircuit is an easy to use, highly interactive circuit simulator and schematic capture tool. Real-time circuit simulation, interactivity, and dynamic visualization make it a must have application for professionals and academia. EveryCircuit user community has collaboratively created the largest searchable library of circuit designs. EveryCircuit app runs online in popular browsers and on mobile phones and tablets, enabling you to capture design ideas and learn electronics on the go.