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ATI 1-05
NAVY AT-I Electronics Unit 1-05
| Question | Answer |
|---|---|
| If a signal is moving away from the reference, is it increasing or decreasing in amplitude? | Increasing in amplitude |
| The range of frequencies which an amplifier is designed to amplify is referred to as_____ | Frequency Response |
| Noise of a Transistor is inversely proportional to ____________ | Frequency |
| A dot on a transistor indicates which element? | The Collector |
| A tab on a transistor indicates which element? | The Emitter |
| Conventional Power Transistors will usually have which lead connected to the mounting surface? | The Collector |
| Which two leads on a transistor are usually furthest apart? | The Emitter and Collector |
| Two things that effect frequency response of a transistor are __________ and ____________. | Base Width and Transit Time |
| The application of DC voltages to a transisitors elements to establish stable reference values of voltage and current for the AC signal. | Biasing |
| A condition that will destroy the transisitor due to a negative temperature coefficient of the emitter-base junction. | Thermal Runaway |
| The perfect amplifier stability factor | 1.0 |
| What are the 3 Processes of a transistor? | Injection, Diffusion, Collection |
| The emitter contains ____ percent of total current through a transistor. | 100% |
| The base contains ____ percent of total current through a transistor. | 2% to %5 |
| The collector contains ____ percent of total current through a transistor. | 95% to 98% |
| The process of increasing the strength of a signal | Amplification |
| A semiconductor device that amplifies a signal | Transistor |
| Which element on a transistor is the thickest for heat dissipation? | Collector |
| Which element on a transistor is the least doped? | Base |
| Which element on a transistor is the most doped? | Emitter |
| On which type of transistor are the majority of current carriers electrons? | NPN |
| On which type of transistor are the majority of current carriers holes? | PNP |
| Holds or clamps the negative extremety of a wave form at a predetermined value so that the entire output is more positive than reference. | Positive Clamper |
| Holds or clamps the positive extremety of a wave form at a predetermined value so that the entire output is more negative than reference. | Negative Clamper |
| Limits both the positive and negative extremes of the input signeal. | Dual Diode Limiter |