modified 9 years ago

Current Mirror With Multiple Stages

00:19:35

Current mirror with BJT.

The insertion of more mirrors will affect the collector current in the reference transistor (transistor working as a diode) because more current will be drained by the N bases. Change the switches to see the difference in the collector current and base current.

Iref = (Vcc - Vbe)/R
- Iref: current in the resistor of 10k

Iref = Ic0(1 + (N+1)/Bcc)
where
- Ic0: collector current
- N: number of transistor

Ps.: consider all transistor equals

published 9 years ago

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