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  2. Circuit topology (electrical) - Wikipedia

    en.wikipedia.org/wiki/Circuit_topology_(electrical)

    This is a consequence the fact that short-circuiting all the branches of a tree results in the voltage being zero everywhere. The link voltages cannot, therefore, be independent of the tree branch voltages. [29] Figure 2.4. A cut set of the graph in figure 2.2 derived from the tree of figure 2.3 by cutting branch 3.

  3. Radio-frequency engineering - Wikipedia

    en.wikipedia.org/wiki/Radio-frequency_engineering

    Radio-frequency (RF) engineering is a subset of electrical engineering involving the application of transmission line, waveguide, antenna, radar, and electromagnetic field principles to the design and application of devices that produce or use signals within the radio band, the frequency range of about 20 kHz up to 300 GHz.

  4. Halfway Tree - Wikipedia

    en.wikipedia.org/wiki/Halfway_Tree

    The name "Halfway Tree" comes from his mother, Cindy Breakspeare, being from the rich part of town, and his father, Bob Marley, coming from the poor part of town, thus him being "a tree halfway in between the 'rich' world and 'poor' world". [3] Additionally, Halfway Tree is a well-known landmark that marks the cultural center of Half-Way-Tree ...

  5. ATI Technologies - Wikipedia

    en.wikipedia.org/wiki/ATI_Technologies

    ATI's former Silicon Valley office at 4555 Great America Pkwy, Santa Clara, CA ATI "Graphics Solution Rev 3" from 1985/1986, supporting Hercules graphics. As the PCB reveals, the layout dates from 1985, whereas the marking on the central chip CW16800-A says "8639"—meaning that chip was manufactured in week 39, 1986.

  6. Andru Branch - Wikipedia

    en.wikipedia.org/wiki/Andru_Branch

    He performed at Jamaica's 1998 Reggae Sunsplash Festival [3] [7] and as a percussionist, has backed musicians Brinsley Forde, Gregory Isaacs, Glen Washington, Vybz Kartel and Sean Paul. Studio One's original Soul Vendors bassist Brian "Bassie" Atkinson joined Andru Branch & Halfway Tree in 2002 and the band is currently making new reggae music. [8]

  7. 45th parallel north - Wikipedia

    en.wikipedia.org/wiki/45th_parallel_north

    The 45th parallel north is often called the halfway point between the equator and the North Pole, but the true halfway point is 16.0 km (9.9 mi) north of it (approximately between 45°08'36" and 45°08'37") because Earth is an oblate spheroid; that is, it bulges at the equator and is flattened at the poles. [1]

  8. Information gain (decision tree) - Wikipedia

    en.wikipedia.org/wiki/Information_gain_(decision...

    Using these formulae, the H(t L) and H(t R) for Mutation 1 is shown below: H(t L) = −(3/4 × log 2 (3/4) + 1/4 × log 2 (1/4)) = 0.811 H(t R) = −(1/3 × log 2 (1/3) + 2/3 × log 2 (2/3)) = 0.918. Following this, average entropy of the child nodes due to the split at node t of the above decision tree is computed as: H(s,t) = P L H(t L) + P R ...

  9. Electronic switch - Wikipedia

    en.wikipedia.org/wiki/Electronic_switch

    In electronics, an electronic switch is a switch controlled by an active electronic component or device. Without using moving parts, they are called solid state switches, which distinguishes them from mechanical switches.