Hello all and thanks for taking a look at my thread.

I was hoping you could help me understand this circuit. But how is this transistor doing that exactly? Can you help me understand the circuit both intuitively and mathematically? I have never seen a transistor circuit like this. Thank you!

I was hoping you could help me understand this circuit. But how is this transistor doing that exactly? Can you help me understand the circuit both intuitively and mathematically? I have never seen a transistor circuit like this. Thank you!

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