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Chapter 12

Transistors

טרנזיסטור צומת דו קוטבי
טרנזיסטור צומת דו קוטבי
Transistors play a vital role in electronic circuits, enabling the functionality of amplifiers, memories, and microprocessors. Transistors can be designed ...
תצורות של BJT
תצורות של BJT
Bipolar junction transistors have different configurations based on the common contact. The common base configuration features a shared base terminal for ...
עקרון העבודה של BJT
עקרון העבודה של BJT
Consider a PNP transistor in a common-base configuration, operating in active mode. Forward biasing reduces the emitter-base potential, enabling the ...
מאפייני BJT
מאפייני BJT
Consider the common-emitter configuration of the BJT. The voltage and current dependencies are measured experimentally to understand the current-voltage ...
דרכי הפעולה של BJT
דרכי הפעולה של BJT
A bipolar junction transistor has four modes of operation, depending upon the voltage polarities at the emitter-base junction and the collector-base ...
תגובת תדר של BJT
תגובת תדר של BJT
A common-emitter amplifier's DC bias point is determined by the base-emitter voltage, base current, and collector current. The load line is determined ...
תדירות חיתוך של BJT
תדירות חיתוך של BJT
The common base configuration's current gain is constant at low frequencies of the input signal but attenuates after a specific frequency known as the ...
מיתוג BJT
מיתוג BJT
Consider a switching circuit that involves a sudden change in the emitter-base voltage. Initially, both the base-emitter junction and the ...
מגברי BJT
מגברי BJT
In the active region of a common emitter NPN BJT, the emitter current is the sum of the base current and the collector current. Here, the base voltage ...
ניתוח אותות קטנים של מגברי BJT
ניתוח אותות קטנים של מגברי BJT
Consider a BJT  transistor amplifier circuit operating in its active region to provide linear amplification. The total instantaneous base-emitter ...
טרנזיסטור אפקט שדה
טרנזיסטור אפקט שדה
A field effect transistor is a three-terminal unipolar device comprising a gate, drain, and source terminal. Charge carriers flow from the source to the ...
מאפייני JFET
מאפייני JFET
The output characteristics of a JFET describe the relationship between the drain current and the drain-source voltage at various levels of gate-source ...
הטיה של FET
הטיה של FET
A junction field effect transistor is used in electronic circuits to control electrical currents. JFETs consist of an N-type or P-type silicon bar ...
קבל MOS
קבל MOS
MOS capacitors have three layers: the bottom layer is a semiconductor substrate, the middle is an insulating layer, and the top metal layer is the gate ...
מוספט
מוספט
The Metal-Oxide-Semiconductor Field-Effect Transistor, or MOSFET is a semiconductor device with three terminals: the Source, the Drain, and the Gate and ...
מאפייני MOSFET
מאפייני MOSFET
The essential parameters of MOSFETs include the channel length, the channel width, the oxide thickness, the junction depth, and the substrate doping. With ...
MOSFET: מצב שיפור
MOSFET: מצב שיפור
The two modes of p- and n-channel MOSFETs are enhancement and depletion. Enhancement mode MOSFETs are typically off at zero gate-source voltage, meaning ...
MOSFET: מצב דלדול
MOSFET: מצב דלדול
Depletion-mode MOSFETs are already ON without a gate bias but need a gate-source voltage to switch OFF. They function like JFETs, where the drain-source ...
מגברי MOSFET
מגברי MOSFET
The MOSFET operates as a voltage-controlled current source in its active region, where the gate-to-source voltage regulates the drain current. This ...
ניתוח אותות קטנים של מגברי MOSFET
ניתוח אותות קטנים של מגברי MOSFET
Consider a MOSFET transistor amplifier circuit operating in its active region to provide linear amplification. The total instantaneous gate-to-source ...
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