High-Frequency Response given Input Capacitance Calculator

✖Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier.ⓘ Signal Resistance [R_sig]			+10% -10%
✖Input capacitance is the capacitance value of the voltage amplifier.ⓘ Input Capacitance [C_i]			+10% -10%

✖High frequency response is the gain of the voltage amplifier at frequencies less than those frequencies at which this gain is close to its maximum value.ⓘ High-Frequency Response given Input Capacitance [A_hf]

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Formula

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High-Frequency Response given Input Capacitance

Formula

`"A"_{"hf"} = 1/(2*pi*"R"_{"sig"}*"C"_{"i"})`

Example

`"0.244257"=1/(2*pi*"1.25kΩ"*"521.27μF")`

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High-Frequency Response given Input Capacitance Solution

STEP 0: Pre-Calculation Summary

Formula Used

High Frequency Response = 1/(2*pi*Signal Resistance*Input Capacitance)
A_hf = 1/(2*pi*R_sig*C_i)
This formula uses 1 Constants, 3 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

High Frequency Response - High frequency response is the gain of the voltage amplifier at frequencies less than those frequencies at which this gain is close to its maximum value.
Signal Resistance - (Measured in Ohm) - Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier.
Input Capacitance - (Measured in Farad) - Input capacitance is the capacitance value of the voltage amplifier.

STEP 1: Convert Input(s) to Base Unit

Signal Resistance: 1.25 Kilohm --> 1250 Ohm (Check conversion here)
Input Capacitance: 521.27 Microfarad --> 0.00052127 Farad (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

A_hf = 1/(2*pi*R_sig*C_i) --> 1/(2*pi*1250*0.00052127)

Evaluating ... ...

A_hf = 0.244257207346512

STEP 3: Convert Result to Output's Unit

0.244257207346512 --> No Conversion Required

FINAL ANSWER

0.244257207346512 ≈ 0.244257 <-- High Frequency Response

(Calculation completed in 00.020 seconds)

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Created by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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National Institute Of Technology (NIT), Hamirpur

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< 19 Response of CS Amplifier Calculators

Source-Degenerated Time Constant of CS Amplifier

Go Source Degenerated Time Constant = Gate to Source Capacitance*Source Resistance Amplifier+Gate to Drain Capacitance*Resistance across Gate and Drain+Capacitance*Resistance

Test Current in Open Circuit Time Constants Method of CS Amplifier

Go Test Current = Transconductance*Gate to Source Voltage+(Test Voltage+Gate to Source Voltage)/Load Resistance

Source-Degenerated Output Resistance of CS Amplifier

Go Source Degenerated Output Resistance = Finite Output Resistance*(1+(Transconductance*Source-Degenerated Resistance))

Source-Degenerated Transconductance of CS Amplifier

Go Source Degenerated Transconductance = Transconductance/(1+Transconductance*Source-Degenerated Resistance)

Source-Degenerated Gain-Bandwidth Product of CS Amplifier

Go Source Degenerated Gain Bandwidth Product = 1/(2*pi*Gate to Drain Capacitance*Signal Resistance)

Low-Frequency Voltage Gain of CS Amplifier

Go Low-Frequency Gain = -Short Circuit Transconductance*(1/Output Resistance+1/Load Resistance)

Load Resistance of CS Amplifier

Go Load Resistance = (Output Voltage/(Transconductance*Gate to Source Voltage))

High-Frequency Response given Input Capacitance

Go High Frequency Response = 1/(2*pi*Signal Resistance*Input Capacitance)

Output Voltage of CS Amplifier

Go Output Voltage = Transconductance*Gate to Source Voltage*Load Resistance

Equivalent Signal Resistance of CS Amplifier

Go Internal Small Signal Resistance = 1/((1/Signal Resistance+1/Output Resistance))

Source-Degenerated Resistance across CS Amplifier

Go Source-Degenerated Resistance = 1/((1/Output Resistance)+(1/Load Resistance))

Frequency of Zero Transmission of CS Amplifier

Go Transmission Frequency = 1/(Bypass Capacitor*Signal Resistance)

Bypass Capacitance of CS Amplifier

Go Bypass Capacitor = 1/(Transmission Frequency*Signal Resistance)

Source-Degenerated Frequency of CS Amplifier

Go Source Degeneration Frequency = 1/(2*pi*Time Constant)

Drain Voltage through Method of Open-Circuit Time Constants to CS Amplifier

Go Drain Voltage = Test Voltage+Gate to Source Voltage

Source Voltage of CS Amplifier

Go Gate to Source Voltage = Drain Voltage-Test Voltage

Midband Gain of CS Amplifier

Go Mid Band Gain = Output Voltage/Small Signal Voltage

Resistance between Gate and Drain in Open Circuit Time Constants Method of CS Amplifier

Go Resistance = Test Voltage/Test Current

Current Gain of CS Amplifier

Go Current Gain = Power Gain/Voltage Gain

< 25 Common Stage Amplifiers Calculators

Effective High Frequency Time Constant of CE Amplifier

Go Effective High Frequency Time Constant = Base Emitter Capacitance*Signal Resistance+(Collector Base Junction Capacitance*(Signal Resistance*(1+Transconductance*Load Resistance)+Load Resistance))+(Capacitance*Load Resistance)

High-Frequency Band given Complex Frequency Variable

Go Amplifier Gain in Mid Band = sqrt(((1+(3 dB Frequency/Frequency))*(1+(3 dB Frequency/Frequency Observed)))/((1+(3 dB Frequency/Pole Frequency))*(1+(3 dB Frequency/Second Pole Frequency))))

Open Circuit Time Constant in High Frequency Response of CG Amplifier

Go Open Circuit Time Constant = Gate to Source Capacitance*(1/Signal Resistance+Transconductance)+(Capacitance+Gate to Drain Capacitance)*Load Resistance

Test Current in Open Circuit Time Constants Method of CS Amplifier

Go Test Current = Transconductance*Gate to Source Voltage+(Test Voltage+Gate to Source Voltage)/Load Resistance

Input Capacitance in High-Frequency Gain of CE Amplifier

Go Input Capacitance = Collector Base Junction Capacitance+Base Emitter Capacitance*(1+(Transconductance*Load Resistance))

Input Resistance of CG Amplifier

Go Resistance = (Finite Input Resistance+Load Resistance)/(1+(Transconductance*Finite Input Resistance))

Load Resistance of CG Amplifier

Go Load Resistance = Resistance*(1+(Transconductance*Finite Input Resistance))-Finite Input Resistance

Collector Base Junction Resistance of CE Amplifier

Go Collector Resistance = Signal Resistance*(1+Transconductance*Load Resistance)+Load Resistance

Open Circuit Time Constant between Gate and Drain of Common Gate Amplifier

Go Open Circuit Time Constant = (Capacitance+Gate to Drain Capacitance)*Load Resistance

Load Resistance of CS Amplifier

Go Load Resistance = (Output Voltage/(Transconductance*Gate to Source Voltage))

High-Frequency Response given Input Capacitance

Go High Frequency Response = 1/(2*pi*Signal Resistance*Input Capacitance)

Output Voltage of CS Amplifier

Go Output Voltage = Transconductance*Gate to Source Voltage*Load Resistance

Equivalent Signal Resistance of CS Amplifier

Go Internal Small Signal Resistance = 1/((1/Signal Resistance+1/Output Resistance))

Frequency of Zero Transmission of CS Amplifier

Go Transmission Frequency = 1/(Bypass Capacitor*Signal Resistance)

Bypass Capacitance of CS Amplifier

Go Bypass Capacitor = 1/(Transmission Frequency*Signal Resistance)

Resistance between Gate and Source of CG Amplifier

Go Resistance = 1/(1/Finite Input Resistance+1/Signal Resistance)

High-Frequency Gain of CE Amplifier

Go High Frequency Response = Upper 3-dB Frequency/(2*pi)

Upper 3dB Frequency of CE Amplifier

Go Upper 3-dB Frequency = 2*pi*High Frequency Response

Drain Voltage through Method of Open-Circuit Time Constants to CS Amplifier

Go Drain Voltage = Test Voltage+Gate to Source Voltage

Source Voltage of CS Amplifier

Go Gate to Source Voltage = Drain Voltage-Test Voltage

Midband Gain of CS Amplifier

Go Mid Band Gain = Output Voltage/Small Signal Voltage

Amplifier Bandwidth in Discrete-Circuit Amplifier

Go Amplifier Bandwidth = High Frequency-Low Frequency

Mid Band Gain of CE Amplifier

Go Mid Band Gain = Output Voltage/Threshold Voltage

Resistance between Gate and Drain in Open Circuit Time Constants Method of CS Amplifier

Go Resistance = Test Voltage/Test Current

Current Gain of CS Amplifier

Go Current Gain = Power Gain/Voltage Gain

High-Frequency Response given Input Capacitance Formula

High Frequency Response = 1/(2*pi*Signal Resistance*Input Capacitance)
A_hf = 1/(2*pi*R_sig*C_i)

What is a CS amplifier?

In electronics, a common-source amplifier is one of three basic single-stage field-effect transistor (FET) amplifier topologies, typically used as a voltage or transconductance amplifier. The easiest way to tell if a FET is a common source, common drain, or common gate is to examine where the signal enters and leaves.

How to Calculate High-Frequency Response given Input Capacitance?

High-Frequency Response given Input Capacitance calculator uses High Frequency Response = 1/(2*pi*Signal Resistance*Input Capacitance) to calculate the High Frequency Response, The High-frequency response given input capacitance formula is defined as the stray capacitances associated with the active device lower the gain. High Frequency Response is denoted by A_hf symbol.

How to calculate High-Frequency Response given Input Capacitance using this online calculator? To use this online calculator for High-Frequency Response given Input Capacitance, enter Signal Resistance (R_sig) & Input Capacitance (C_i) and hit the calculate button. Here is how the High-Frequency Response given Input Capacitance calculation can be explained with given input values -> 0.244257 = 1/(2*pi*1250*0.00052127).

FAQ

What is High-Frequency Response given Input Capacitance?

The High-frequency response given input capacitance formula is defined as the stray capacitances associated with the active device lower the gain and is represented as A_hf = 1/(2*pi*R_sig*C_i) or High Frequency Response = 1/(2*pi*Signal Resistance*Input Capacitance). Signal Resistance is the resistance which is fed with the signal voltage source vs to an Amplifier & Input capacitance is the capacitance value of the voltage amplifier.

How to calculate High-Frequency Response given Input Capacitance?

The High-frequency response given input capacitance formula is defined as the stray capacitances associated with the active device lower the gain is calculated using High Frequency Response = 1/(2*pi*Signal Resistance*Input Capacitance). To calculate High-Frequency Response given Input Capacitance, you need Signal Resistance (R_sig) & Input Capacitance (C_i). With our tool, you need to enter the respective value for Signal Resistance & Input Capacitance and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate High Frequency Response?

In this formula, High Frequency Response uses Signal Resistance & Input Capacitance. We can use 1 other way(s) to calculate the same, which is/are as follows -

High Frequency Response = Upper 3-dB Frequency/(2*pi)

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