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2. Attenuator (electronics) - Wikipedia

   en.wikipedia.org/wiki/Attenuator_(electronics)

   For instance, attenuators used with coaxial lines would be the unbalanced form while attenuators for use with twisted pair are required to be the balanced form. Four fundamental attenuator circuit diagrams are given in the figures on the left. Since an attenuator circuit consists solely of passive resistor elements, it is both linear and ...

3. Π pad - Wikipedia

   en.wikipedia.org/wiki/Π_pad

   A Π-pad attenuator formed from two symmetrical L sections. Because of the symmetry, R 1 = R 3 in this case. For an attenuator, Z and Y are simple resistors and γ becomes the image parameter attenuation (that is, the attenuation when terminated with the image impedances) in nepers. A Π pad can be viewed as being two L sections back-to-back as ...

4. Free-space path loss - Wikipedia

   en.wikipedia.org/wiki/Free-space_path_loss

   In telecommunications, the free-space path loss (FSPL) (also known as free-space loss, FSL) is the attenuation of radio energy between the feedpoints of two antennas that results from the combination of the receiving antenna's capture area plus the obstacle-free, line-of-sight (LoS) path through free space (usually air). [1]

5. T pad - Wikipedia

   en.wikipedia.org/wiki/T_pad

   A T-pad attenuator formed from two symmetrical L sections. Because of the symmetry, R 1 = R 3 in this case. For an attenuator, Z and Y are simple resistors and γ becomes the image parameter attenuation (that is, the attenuation when terminated with the image impedances) in nepers. A T pad can be viewed as being two L sections back-to-back as ...

6. Feed-through null - Wikipedia

   en.wikipedia.org/wiki/Feed-through_null

   A sample of the transmit signal is fed to an attenuator. The feed-through nuller samples the bleed-through signal arriving at the receiver. This bleed-through sample is amplified, filtered (low-pass), and this is used to drive the attenuator. Attenuator output is phase shifted 180 degrees added to the receive signal.

7. Quite Universal Circuit Simulator - Wikipedia

   en.wikipedia.org/wiki/Quite_Universal_Circuit...

   The attenuator synthesis application can be used to design various types of passive attenuators. The command line conversion program tool is used by the GUI to import and export datasets, netlists and schematics from and to other CAD/EDA software. The supported file formats as well as usage information can be found on the manpage of qucsconv.