EEE :: Transistor Audio Power Amplifiers
- What will be the collector efficiency of a power amplifier having zero signal power dissipation of 5 watts and a.c. power output of 2 watts?
- A transformer coupled class A power amplifier has a load of 100 Ω on the secondary. If the turn ratio is 10:1, what is the value of load appearing on the primary?
- When a transistor is cut off___________
- Low efficiency of a power amplifier results in ___________
- If the gain versus frequency curve of a transistor amplifier is not flat, then there is distortion.
- A power amplifier has comparatively ___________ ß
- Power amplifiers generally use transformer coupling because transformer per-mits
- The driver stage usually employs___________
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