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  2. Antenna tuner - Wikipedia

    en.wikipedia.org/wiki/Antenna_tuner

    The 'T' ("Tee") network and the π ("Pi") network also have a shape similar to the English and Greek letters they are named after. This basic network is able to act as an impedance transformer. If the output has an impedance consisting of resistance R load and reactance j X load , while the input is to be attached to a source which has an ...

  3. List of cryptocurrencies - Wikipedia

    en.wikipedia.org/wiki/List_of_cryptocurrencies

    Linked to citizen science through the Berkeley Open Infrastructure for Network Computing [21] 2013 Primecoin: XPM Sunny King (pseudonym) [22] [23] 1CC/2CC/TWN [24] TypeScript, C++ [25] PoW [24] Uses the finding of prime chains composed of Cunningham chains and bi-twin chains for proof-of-work. 2013 Ripple [26] [27] XRP Chris Larsen & Jed ...

  4. Talk:Pi network - Wikipedia

    en.wikipedia.org/wiki/Talk:Pi_network

    Not sure where to source a good write-up of information for Pi network circuits, how they work, etc; anything I were to personally put up right now would more or less be original research, or from sources which aren't up to wikipedia's usual standards. Guess the redirect is a fine option for now. Thanks.

  5. Π pad - Wikipedia

    en.wikipedia.org/wiki/Π_pad

    The Π pad (pi pad) is a specific type of attenuator circuit in electronics whereby the topology of the circuit is formed in the shape of the Greek capital letter pi (Π). Attenuators are used in electronics to reduce the level of a signal. They are also referred to as pads due to their effect of padding down a signal by analogy with acoustics.

  6. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    The number π (/ p aɪ / ⓘ; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.

  7. Talk:Pi network Project - Wikipedia

    en.wikipedia.org/wiki/Talk:Pi_network_Project

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Special pages; Pages for logged out editors learn more

  8. Two-port network - Wikipedia

    en.wikipedia.org/wiki/Two-port_network

    Figure 1: Example two-port network with symbol definitions. Notice the port condition is satisfied: the same current flows into each port as leaves that port.. In electronics, a two-port network (a kind of four-terminal network or quadripole) is an electrical network (i.e. a circuit) or device with two pairs of terminals to connect to external circuits.

  9. Pi-hole - Wikipedia

    en.wikipedia.org/wiki/Pi-hole

    Pi-hole is a Linux network-level advertisement and Internet tracker blocking application [3] [4] which acts as a DNS sinkhole [5] and optionally a DHCP server, intended for use on a private network. [1] It is designed for low-power embedded devices with network capability, such as the Raspberry Pi, [3] [6] but can be installed on almost any ...