3 DB Frequency of CS Amplifier without Dominant Poles Formula

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3-dB frequency is the point at which the signal has been attenuated by 3dB (in a bandpass filter). Check FAQs
fL=ωp12+fP2+ωp32-(2f2)
fL - 3-dB Frequency?ωp1 - Pole Frequency 1?fP - Frequency of Dominant Pole?ωp3 - Pole Frequency 3?f - Frequency?

3 DB Frequency of CS Amplifier without Dominant Poles Example

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Here is how the 3 DB Frequency of CS Amplifier without Dominant Poles equation looks like with Values.

Here is how the 3 DB Frequency of CS Amplifier without Dominant Poles equation looks like with Units.

Here is how the 3 DB Frequency of CS Amplifier without Dominant Poles equation looks like.

42.4269Edit=0.2Edit2+80Edit2+20Edit2-(250Edit2)
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3 DB Frequency of CS Amplifier without Dominant Poles Solution

Follow our step by step solution on how to calculate 3 DB Frequency of CS Amplifier without Dominant Poles?

FIRST Step Consider the formula
fL=ωp12+fP2+ωp32-(2f2)
Next Step Substitute values of Variables
fL=0.2Hz2+80Hz2+20Hz2-(250Hz2)
Next Step Prepare to Evaluate
fL=0.22+802+202-(2502)
Next Step Evaluate
fL=42.4268782730948Hz
LAST Step Rounding Answer
fL=42.4269Hz

3 DB Frequency of CS Amplifier without Dominant Poles Formula Elements

Variables
Functions
3-dB Frequency
3-dB frequency is the point at which the signal has been attenuated by 3dB (in a bandpass filter).
Symbol: fL
Measurement: FrequencyUnit: Hz
Note: Value should be greater than 0.
Pole Frequency 1
Pole frequency 1 is that frequency at which the transfer function of a system approaches infinity.
Symbol: ωp1
Measurement: FrequencyUnit: Hz
Note: Value should be greater than 0.
Frequency of Dominant Pole
The frequency of Dominant Pole is the lowest frequency because it dominates the effect of all of the higher frequency poles.
Symbol: fP
Measurement: FrequencyUnit: Hz
Note: Value can be positive or negative.
Pole Frequency 3
Pole frequency 3 is that frequency at which the transfer function of a system approaches infinity.
Symbol: ωp3
Measurement: FrequencyUnit: Hz
Note: Value should be greater than 0.
Frequency
Frequency refers to the number of occurrences of a periodic event per time and is measured in cycles/second.
Symbol: f
Measurement: FrequencyUnit: Hz
Note: Value should be greater than 0.
sqrt
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Syntax: sqrt(Number)

Other formulas in Response of CS Amplifier category

​Go Pole Frequency of CS Amplifier
ωp1=1CC1(Ri+Rs)
​Go Pole Frequency of Bypass Capacitor in CS Amplifier
ωp1=gm+1RCs
​Go Output Voltage of Low Frequency Amplifier
Vo=VAmid(ff+ωp1)(ff+ωp2)(ff+ωp3)
​Go Mid-Band Gain of CS Amplifier
Amid=-(RiRi+Rs)gm((1Rd)+(1RL))

How to Evaluate 3 DB Frequency of CS Amplifier without Dominant Poles?

3 DB Frequency of CS Amplifier without Dominant Poles evaluator uses 3-dB Frequency = sqrt(Pole Frequency 1^2+Frequency of Dominant Pole^2+Pole Frequency 3^2-(2*Frequency^2)) to evaluate the 3-dB Frequency, The 3 dB frequency of CS amplifier without dominant poles formula is defined as the point at which the signal has been attenuated by 3dB (in a bandpass filter). This is generally considered the point for determining the filter's bandwidth. The bandwidth is defined as the difference between the upper and lower 3dB points. 3-dB Frequency is denoted by fL symbol.

How to evaluate 3 DB Frequency of CS Amplifier without Dominant Poles using this online evaluator? To use this online evaluator for 3 DB Frequency of CS Amplifier without Dominant Poles, enter Pole Frequency 1 p1), Frequency of Dominant Pole (fP), Pole Frequency 3 p3) & Frequency (f) and hit the calculate button.

FAQs on 3 DB Frequency of CS Amplifier without Dominant Poles

What is the formula to find 3 DB Frequency of CS Amplifier without Dominant Poles?
The formula of 3 DB Frequency of CS Amplifier without Dominant Poles is expressed as 3-dB Frequency = sqrt(Pole Frequency 1^2+Frequency of Dominant Pole^2+Pole Frequency 3^2-(2*Frequency^2)). Here is an example- 42.42688 = sqrt(0.2^2+80^2+20^2-(2*50^2)).
How to calculate 3 DB Frequency of CS Amplifier without Dominant Poles?
With Pole Frequency 1 p1), Frequency of Dominant Pole (fP), Pole Frequency 3 p3) & Frequency (f) we can find 3 DB Frequency of CS Amplifier without Dominant Poles using the formula - 3-dB Frequency = sqrt(Pole Frequency 1^2+Frequency of Dominant Pole^2+Pole Frequency 3^2-(2*Frequency^2)). This formula also uses Square Root Function function(s).
Can the 3 DB Frequency of CS Amplifier without Dominant Poles be negative?
No, the 3 DB Frequency of CS Amplifier without Dominant Poles, measured in Frequency cannot be negative.
Which unit is used to measure 3 DB Frequency of CS Amplifier without Dominant Poles?
3 DB Frequency of CS Amplifier without Dominant Poles is usually measured using the Hertz[Hz] for Frequency. Petahertz[Hz], Terahertz[Hz], Gigahertz[Hz] are the few other units in which 3 DB Frequency of CS Amplifier without Dominant Poles can be measured.
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