Category: RF Calculations & Applications
Practical rf calculations & applications guides with product links, examples and specification checks.
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RF Cable Delay and Electrical Length
Cable delay is physical length divided by propagation velocity. Velocity equals…
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What Is dBm in RF Measurements?
dBm expresses power in decibels relative to 1 milliwatt. It is…
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Thermal Noise Power and Receiver Bandwidth
At approximately 290 K, matched thermal noise density is about โ174…
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How to Convert Watts to dBm
Convert watts to milliwatts, then take ten times the base-10 logarithm.…
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Why a Passive Pad Before a Receiver Affects Noise Figure
A passive matched attenuator at the reference temperature adds loss before…
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How to Convert dBm to Watts
Use P in watts = 10 raised to the power (dBm…
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RF Link Budget: Gains and Losses at One Frequency
An RF link budget adds defined gains and subtracts defined losses…
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How Many Watts Remain After RF Attenuation?
For an ideal matched path, output power equals input power multiplied…
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RF Pulse Duty Cycle and Energy Calculations
For rectangular pulses, duty cycle is pulse duration times repetition rate.…
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Calculating Heat Dissipated in an RF Attenuator
In a matched ideal resistive pad, dissipated power is input power…