njoy
Newbie level 1
Is it possible to have three stable operating points in a Beta Multiplier Circuit
(self biased circuits)
Normally in any book only two stable operating points are mentioned.
One is the desired op point ---- (op1)
Second is the degenerate operating point where we get zero current in the loop (this is taken care of using startup circuits). ----- (op2)
Is it possible that there is a third stable operating point (op3) at which the beta multiplier loop can give non zero current and remains stable .
(let say by switching VDD On/Off continuously it can be hooked to either op1 or op3)
What I am observing is with VDD switching I am getting two stable profiles of a SSCLK in a circuit biased with a beta multiplier.
(self biased circuits)
Normally in any book only two stable operating points are mentioned.
One is the desired op point ---- (op1)
Second is the degenerate operating point where we get zero current in the loop (this is taken care of using startup circuits). ----- (op2)
Is it possible that there is a third stable operating point (op3) at which the beta multiplier loop can give non zero current and remains stable .
(let say by switching VDD On/Off continuously it can be hooked to either op1 or op3)
What I am observing is with VDD switching I am getting two stable profiles of a SSCLK in a circuit biased with a beta multiplier.
