Which of the following contributes to VSWR (voltage standing wave ratio) in an IEEE 802.11a/b/g/n/ac WLAN circuit?This type of question contains radio buttons and checkboxes for selection of options. Use Tab for navigation and Enter or space to select the option.optionAAttenuation value of a cableoptionBOutput power of the access pointoptionCImpedance mismatchoptionDGain of an antenna
Question
Which of the following contributes to VSWR (voltage standing wave ratio) in an IEEE 802.11a/b/g/n/ac WLAN circuit?This type of question contains radio buttons and checkboxes for selection of options. Use Tab for navigation and Enter or space to select the option.optionAAttenuation value of a cableoptionBOutput power of the access pointoptionCImpedance mismatchoptionDGain of an antenna
Solution
The Voltage Standing Wave Ratio (VSWR) in an IEEE 802.11a/b/g/n/ac WLAN circuit can be affected by several factors. Here's a breakdown of how each option might contribute:
Option A: Attenuation value of a cable - This can contribute to VSWR. Attenuation refers to the loss of signal strength as it travels along a cable. If the attenuation is high, the signal strength decreases, which can lead to a higher VSWR.
Option B: Output power of the access point - This does not directly contribute to VSWR. The output power of the access point can affect the signal strength, but it does not affect the VSWR, which is a measure of the efficiency of the signal transmission.
Option C: Impedance mismatch - This is a major contributor to VSWR. If the impedance of the cable and the antenna are not matched, it can cause reflections and standing waves, leading to a higher VSWR.
Option D: Gain of an antenna - This does not directly contribute to VSWR. The gain of an antenna can affect the strength of the signal received, but it does not affect the VSWR, which is a measure of the efficiency of the signal transmission.
So, the factors that contribute to VSWR in an IEEE 802.11a/b/g/n/ac WLAN circuit are the attenuation value of a cable and impedance mismatch.
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