BJT Small Signal Model Quiz

In the BJT small signal model, the resistance between base and emitter is represented as:

• ror_oro​

• rπr_π​

• rer_ere​

• βββ

Which parameter represents the current gain in the small signal hybrid-π model of a BJT?

• ror_oro​

• gmg_mgm​

• βββ

• rπr_π​

The transconductance gmg_mgm​ in a BJT is given by:

• VTIC

• ICVT

• βIB

• 1rπ

In the small signal model, what is the typical role of ror_oro​?

• Output conductance

• Input resistance

• Emitter resistance

• Output resistance

The small signal equivalent circuit is valid for:

• All frequencies

• DC analysis

• Large signal analysis

• Small variations around the Q-point