Physics · Electronics
Why does the voltage gain of a BJT amplifier significantly reduce at high frequencies?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Reduction in the DC power supply voltage
- 2Increased thermal noise in the biasing resistors
- 3Parasitic junction capacitances and transistor transit time✓
- 4Reduced carrier mobility in the base region
Correct answer
Parasitic junction capacitances and transistor transit time
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