A linear regulator is attempted using discrete components as shown below. What is the output voltage ? (Where Voltmeter is connected) Assume Ideal BJTs and MOSFET .


simulate this circuit – Schematic created using CircuitLab


put on hold as off-topic by brhans, Enric Blanco, Transistor, Peter Smith, Hearth Sep 12 at 13:20

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    \$\begingroup\$ What have you tried to solve the assignment? Where are you stuck? \$\endgroup\$ – JRE Sep 12 at 11:18
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    \$\begingroup\$ Welcome to EE.SE - when we are presented with what appear to be homework questions (we are just getting into prime season for that) then we want to see an attempt to solve; otherwise the question will usually be put on hold and ultimately closed. \$\endgroup\$ – Peter Smith Sep 12 at 11:20
  • \$\begingroup\$ usually a linear regulator needs to operate the comparison-circuit, here the 2-transistor differential-pair, as a linear amplifier; can you show the region of operation for this differential-pair? for example, what is the voltage of the shared-emitters node? \$\endgroup\$ – analogsystemsrf Sep 12 at 11:34
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    \$\begingroup\$ I'm voting to close this question as off-topic because it looks like homework with no attempt shown. \$\endgroup\$ – brhans Sep 12 at 11:35
  • \$\begingroup\$ The transistor parameter is not given \$\endgroup\$ – Nilabja Saha Sep 12 at 11:54

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