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  2. Crowbar (circuit) - Wikipedia

    en.wikipedia.org/wiki/Crowbar_(circuit)

    A crowbar circuit is an electrical circuit used for preventing an overvoltage or surge condition of a power supply unit from damaging the circuits attached to the power supply. It operates by putting a short circuit or low resistance path across the voltage output (V o ), like dropping a crowbar across the output terminals of the power supply.

  3. Thyratron - Wikipedia

    en.wikipedia.org/wiki/Thyratron

    Thyratrons are also used in high-power UHF television transmitters, to protect inductive output tubes from internal shorts, by grounding the incoming high-voltage supply during the time it takes for a circuit breaker to open and reactive components to drain their stored charges. This is commonly called a crowbar circuit.

  4. Shunt (electrical) - Wikipedia

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

    When a circuit must be protected from overvoltage and there are failure modes in the power supply that can produce such overvoltages, the circuit may be protected by a device commonly called a crowbar circuit. When this device detects an overvoltage it causes a short circuit between the power supply and its return.

  5. Trisil - Wikipedia

    en.wikipedia.org/wiki/Trisil

    In this case, the gate is connected to the telecom circuit power supply (via a diode or transistor) so that the device will crowbar if the transient exceeds the power supply voltage. The main advantage of this configuration is that the protection voltage tracks the power supply, thus eliminating the problem of selecting a particular breakdown ...

  6. Is your camera ticket a fake? Here’s how to tell - AOL

    www.aol.com/news/camera-ticket-fake-tell...

    Suddenly, a red light camera ticket arrives in your mailbox bearing your name but you weren't even driving that day. This frustrating scenario is catching many drivers off guard.

  7. Parents Make Heartbreaking Call to Stop CPR on 14-Month ... - AOL

    www.aol.com/lifestyle/parents-heartbreaking-call...

    On Feb. 7, 2022, baby Soren was born — surprising doctors and medical staff by breathing on his own without the help of oxygen. "Besides his heart, he was a perfectly healthy baby boy," Morgan says.

  8. FEMA officials fired after Musk claims they paid to house ...

    www.aol.com/fema-officials-fired-musk-claims...

    After Elon Musk complained about federal spending for housing migrants in what he called "luxury hotels" housing in New York City, the Department of Homeland Security announced Tuesday four FEMA ...

  9. Via (electronics) - Wikipedia

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

    A via (Latin, 'path' or 'way') is an electrical connection between two or more metal layers of a printed circuit boards (PCB) or integrated circuit. Essentially a via is a small drilled hole that goes through two or more adjacent layers; the hole is plated with metal (often copper) that forms an electrical connection through the insulating layers.

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