Gate to Drain Capacitance Formula

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Gate to Drain Capacitance is defined as the capacitance that is observed between the gate and drain of the Junction of MOSFET. Check FAQs
Cgd=Cg-(Cgb+Cgs)
Cgd - Gate to Drain Capacitance?Cg - Gate Capacitance?Cgb - Gate to Base Capacitance?Cgs - Gate to Source Capacitance?

Gate to Drain Capacitance Example

With values
With units
Only example

Here is how the Gate to Drain Capacitance equation looks like with Values.

Here is how the Gate to Drain Capacitance equation looks like with Units.

Here is how the Gate to Drain Capacitance equation looks like.

10Edit=59.61Edit-(35Edit+14.61Edit)
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Gate to Drain Capacitance Solution

Follow our step by step solution on how to calculate Gate to Drain Capacitance?

FIRST Step Consider the formula
Cgd=Cg-(Cgb+Cgs)
Next Step Substitute values of Variables
Cgd=59.61μF-(35μF+14.61μF)
Next Step Convert Units
Cgd=6E-5F-(3.5E-5F+1.5E-5F)
Next Step Prepare to Evaluate
Cgd=6E-5-(3.5E-5+1.5E-5)
Next Step Evaluate
Cgd=1E-05F
LAST Step Convert to Output's Unit
Cgd=10μF

Gate to Drain Capacitance Formula Elements

Variables
Gate to Drain Capacitance
Gate to Drain Capacitance is defined as the capacitance that is observed between the gate and drain of the Junction of MOSFET.
Symbol: Cgd
Measurement: CapacitanceUnit: μF
Note: Value should be greater than 0.
Gate Capacitance
Gate Capacitance is the capacitance of the gate terminal of a field-effect transistor.
Symbol: Cg
Measurement: CapacitanceUnit: μF
Note: Value should be greater than 0.
Gate to Base Capacitance
Gate to Base Capacitance is defined as the capacitance that is observed between the gate and Base of the Junction of MOSFET.
Symbol: Cgb
Measurement: CapacitanceUnit: μF
Note: Value should be greater than 0.
Gate to Source Capacitance
Gate to source Capacitance is defined as the capacitance that is observed between the gate and source of the Junction of MOSFET.
Symbol: Cgs
Measurement: CapacitanceUnit: μF
Note: Value should be greater than 0.

Other formulas in Analog VLSI Design category

​Go Drain Voltage
Vbc=PdfC
​Go Gate to Base Capacitance
Cgb=Cg-(Cgs+Cgd)
​Go Gate to Channel Voltage
Vgc=(QchCg)+Vt
​Go Gate to Collector Potential
Vgc=Vgs+Vgd2

How to Evaluate Gate to Drain Capacitance?

Gate to Drain Capacitance evaluator uses Gate to Drain Capacitance = Gate Capacitance-(Gate to Base Capacitance+Gate to Source Capacitance) to evaluate the Gate to Drain Capacitance, The Gate to Drain Capacitance formula is defined as the capacitance that is observed between the gate and drain of the Junction of MOSFET. Gate to Drain Capacitance is denoted by Cgd symbol.

How to evaluate Gate to Drain Capacitance using this online evaluator? To use this online evaluator for Gate to Drain Capacitance, enter Gate Capacitance (Cg), Gate to Base Capacitance (Cgb) & Gate to Source Capacitance (Cgs) and hit the calculate button.

FAQs on Gate to Drain Capacitance

What is the formula to find Gate to Drain Capacitance?
The formula of Gate to Drain Capacitance is expressed as Gate to Drain Capacitance = Gate Capacitance-(Gate to Base Capacitance+Gate to Source Capacitance). Here is an example- 9.6E+6 = 5.961E-05-(3.5E-05+1.461E-05).
How to calculate Gate to Drain Capacitance?
With Gate Capacitance (Cg), Gate to Base Capacitance (Cgb) & Gate to Source Capacitance (Cgs) we can find Gate to Drain Capacitance using the formula - Gate to Drain Capacitance = Gate Capacitance-(Gate to Base Capacitance+Gate to Source Capacitance).
Can the Gate to Drain Capacitance be negative?
No, the Gate to Drain Capacitance, measured in Capacitance cannot be negative.
Which unit is used to measure Gate to Drain Capacitance?
Gate to Drain Capacitance is usually measured using the Microfarad[μF] for Capacitance. Farad[μF], Kilofarad[μF], Millifarad[μF] are the few other units in which Gate to Drain Capacitance can be measured.
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