RF Attenuator Pad Calculator
By RF Wireless Expert Team
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This page provides information about the RF Pad calculator, including the formulas used.
RF Pad Calculator - π-Type
The calculator determines resistor values for an attenuator pad configured in a ‘π’ shape.
RF Pad Calculator (PI-Type)
- Inputs: Impedance = 50 Ω, Attenuation = 3 dB
- Outputs: R1 = R2 = 16.6 Ω (use a standard 18 Ω resistor), R3 = 66.9 Ω (use a standard 66.5 Ω resistor)
RF Pad Calculator - T-Type
This calculator computes the resistor values needed for an attenuator pad in a ‘T’ configuration.
RF Pad Calculator (T-Type)
- Inputs: Impedance = 50 Ω, Attenuation = 9 dB
- Outputs: R1 = R3 = 64.4 Ω, R2 = 195.43 Ω
Formula/Equation Used in RF Pad Calculator
The following formulas are used in the RF Pad calculators:
These equations are applicable for both PI and T-shaped RF attenuator pad calculators, as described above.
Explore More Calculators on Attenuators
- Pi Attenuator Calculator
- T Attenuator Calculator Formula
- Balanced Attenuator Calculator
- Bridged Tee Attenuator Calculator
- Reflection Attenuator Resistance Calculator and Formula
Continue Learning RF Attenuators (Fixed, Variable & Programmable)
- RF Attenuators: Types & Benefits Explained
- Microwave Attenuators: Types & Applications
- T vs Pi Attenuator Pads
- EMC Thermopad Attenuator (App Note)