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Input Resistance of CC CB Amplifier Formula

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Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm. Check FAQs

R t = (β + 1) \cdot (R e + R' 2)

R_t - Resistance?β - Common Emitter Current Gain?R_e - Emitter Resistance?R'₂ - Resistance of Secondary Winding in Primary?

Input Resistance of CC CB Amplifier Example

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With units

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Here is how the Input Resistance of CC CB Amplifier equation looks like with Values.

Here is how the Input Resistance of CC CB Amplifier equation looks like with Units.

Here is how the Input Resistance of CC CB Amplifier equation looks like.

0.4807 = (0.005 + 1) \cdot (0.468 + 0.0103)

0.4807kΩ = (0.005 + 1) \cdot (0.468kΩ + 0.0103kΩ)

0.4807 = (0.005 + 1) \cdot (0.468 + 0.0103)

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Input Resistance of CC CB Amplifier Solution

Follow our step by step solution on how to calculate Input Resistance of CC CB Amplifier?

FIRST Step Consider the formula

R t = (β + 1) \cdot (R e + R' 2)

Next Step Substitute values of Variables

∴

R t = (0.005 + 1) \cdot (0.468kΩ + 0.0103kΩ)

Next Step Convert Units

∴

R t = (0.005 + 1) \cdot (468Ω + 10.3Ω)

Next Step Prepare to Evaluate

∴

R t = (0.005 + 1) \cdot (468 + 10.3)

Next Step Evaluate

∴

R t = 480.6915Ω

Next Step Convert to Output's Unit

∴

R t = 0.4806915kΩ

LAST Step Rounding Answer

∴

R t = 0.4807kΩ

Input Resistance of CC CB Amplifier Formula Elements

Variables

Resistance

Resistance is a measure of the opposition to current flow in an electrical circuit. Its S.I unit is ohm.

Symbol: R_t

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Resistance

Common Emitter Current Gain

Common Emitter Current Gain is a measure of the current gain of a common emitter amplifier, which is a type of amplifier configuration used in electronic circuits.

Symbol: β

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Common Emitter Current Gain

Emitter Resistance

Emitter Resistance is a dynamic resistance of the emitter-base junction diode of a transistor.

Symbol: R_e

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Emitter Resistance

Resistance of Secondary Winding in Primary

Resistance of Secondary Winding in Primary Resistance is the Resistance of Secondary winding in the primary in the transformer coil.

Symbol: R'₂

Measurement: Electric ResistanceUnit: kΩ

Note: Value should be greater than 0.

Formulas to find Resistance of Secondary Winding in Primary

Other formulas in Response of CC and CB Amplifier category

Go 3-DB Frequency in Design Insight and Trade-Off

f 3dB = \frac{1}{2 \cdot π \cdot (C t + C gd) \cdot (\frac{1}{\frac{1}{R L} + \frac{1}{R out}})}

Go Amplifier Gain given Function of Complex Frequency Variable

A m = A mid \cdot K

Go Drain Resistance in Cascode Amplifier

R d = \frac{1}{\frac{1}{R in} + \frac{1}{R t}}

Go Gain Bandwidth Product

GB = \frac{g m \cdot R L}{2 \cdot π \cdot R L \cdot (C t + C gd)}

How to Evaluate Input Resistance of CC CB Amplifier?

Input Resistance of CC CB Amplifier evaluator uses Resistance = (Common Emitter Current Gain+1)*(Emitter Resistance+Resistance of Secondary Winding in Primary) to evaluate the Resistance, The input resistance of CC CB amplifier formula is defined as the resistance seen by the current source or voltage source which drives the circuit. Resistance is denoted by R_t symbol.

How to evaluate Input Resistance of CC CB Amplifier using this online evaluator? To use this online evaluator for Input Resistance of CC CB Amplifier, enter Common Emitter Current Gain (β), Emitter Resistance (R_e) & Resistance of Secondary Winding in Primary (R'₂) and hit the calculate button.

FAQs on Input Resistance of CC CB Amplifier

What is the formula to find Input Resistance of CC CB Amplifier?

The formula of Input Resistance of CC CB Amplifier is expressed as Resistance = (Common Emitter Current Gain+1)*(Emitter Resistance+Resistance of Secondary Winding in Primary). Here is an example- 0.010721 = (0.005+1)*(468+10.3).

How to calculate Input Resistance of CC CB Amplifier?

With Common Emitter Current Gain (β), Emitter Resistance (R_e) & Resistance of Secondary Winding in Primary (R'₂) we can find Input Resistance of CC CB Amplifier using the formula - Resistance = (Common Emitter Current Gain+1)*(Emitter Resistance+Resistance of Secondary Winding in Primary).

Can the Input Resistance of CC CB Amplifier be negative?

No, the Input Resistance of CC CB Amplifier, measured in Electric Resistance cannot be negative.

Which unit is used to measure Input Resistance of CC CB Amplifier?

Input Resistance of CC CB Amplifier is usually measured using the Kilohm[kΩ] for Electric Resistance. Ohm[kΩ], Megohm[kΩ], Microhm[kΩ] are the few other units in which Input Resistance of CC CB Amplifier can be measured.

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Input Resistance of CC CB Amplifier Formula

Input Resistance of CC CB Amplifier Example

Input Resistance of CC CB Amplifier Solution

Input Resistance of CC CB Amplifier Formula Elements

Other formulas in Response of CC and CB Amplifier category

How to Evaluate Input Resistance of CC CB Amplifier?

FAQs on Input Resistance of CC CB Amplifier

Variable Name