Keyword Analysis & Research: s11 a


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Frequently Asked Questions

What is the meaning of S11?

S11 is defined as the reflection coefficient between the port impedance and the network's input impedance (looking from the source end to the load end). If we have different port impedances, we have:

What does the S11 value of an antenna reflect?

S11 represents how much power is reflected from the antenna, and hence is known as the reflection coefficient (sometimes written as gamma: or return loss. If S11=0 dB, then all the power is reflected from the antenna and nothing is radiated. If S11=-10 dB, this implies that if 3 dB of power is delivered to the antenna, -7 dB is the reflected power.

What does S11 =-7 dB mean?

If S11=-10 dB, this implies that if 3 dB of power is delivered to the antenna, -7 dB is the reflected power. The remainder of the power was "accepted by" or deliverd to the antenna.

What is SEC Form S-11?

Updated Jun 15, 2018. SEC Form S-11 is a filing with the Securities and Exchange Commission (SEC) that is used to register securities for real estate investment trusts (REITs).

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