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  2. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    Separable assembly or sub-assembly (e.g. printed circuit assembly) AT: Attenuator or isolator: BR: Bridge rectifier (four diodes in a package) often changed to "D" for diode BT, BAT: Battery or battery holder: often shortened to "B" C: Capacitor: CB: Circuit breaker: CN: Capacitor network: may be simplified to "C" for capacitor D, CR: Diode ...

  3. Fibre Channel electrical interface - Wikipedia

    en.wikipedia.org/wiki/Fibre_Channel_electrical...

    In simple terms, the transmitter circuit must output a signal with a minimum of 600 mV peak-to-peak differential, maximum 2000 mV peak-to-peak differential. A good signal looks rather like a sine-wave with a fundamental frequency of half the data rate, so 1 GHz for a typical system running at 2 gigabits per second.

  4. Circuit breaker - Wikipedia

    en.wikipedia.org/wiki/Circuit_breaker

    A circuit breaker is an electrical safety device designed to protect an electrical circuit from damage caused by current in excess of that which the equipment can safely carry (overcurrent). Its basic function is to interrupt current flow to protect equipment and to prevent fire.

  5. LED circuit - Wikipedia

    en.wikipedia.org/wiki/LED_circuit

    In electronics, an LED circuit or LED driver is an electrical circuit used to power a light-emitting diode (LED). The circuit must provide sufficient current to light the LED at the required brightness, but must limit the current to prevent damaging the LED. The voltage drop across a lit LED is approximately constant over a wide range of operating

  6. Comparison of single-board microcontrollers - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_single-board...

    It is generally used to drive an 8x8 RGB LED matrix using row scanning, but it can be used for other things. Sanguino [189] ATmega644 An open source enhanced Arduino-compatible board that uses an ATmega644P instead of an ATmega168. This provides 64 KB of flash, 4 KB of RAM and 32 general I/O pins in a 40 pin DIP device.

  7. IEC 60309 - Wikipedia

    en.wikipedia.org/wiki/IEC_60309

    IEC 60309 (formerly IEC 309 and CEE 17, also published by CENELEC as EN 60309) is a series of international standards from the International Electrotechnical Commission (IEC) for "plugs, socket-outlets and couplers for industrial purposes".

  8. List of video connectors - Wikipedia

    en.wikipedia.org/wiki/List_of_video_connectors

    30 pin receptacle including the following electrical interfaces: 2-lane DisplayPort v1.1a, USB 3.0, USB On-The-Go, Analog stereo line-out, HDMI CEC for remote control, high output power line from both host and portable device Male Mini-VGA plug on top of an Apple laptop, female port is second from right. Mini-VGA (used for laptops)

  9. IC power-supply pin - Wikipedia

    en.wikipedia.org/wiki/IC_power-supply_pin

    This led to V D and V S being created by supply voltages designated V DD and V SS in the more common circuit configurations. In equivalence to the difference between NPN and PNP bipolars, V DD is positive with regard to V SS in the case of n -channel FETs and MOSFETs and negative for circuits based on p -channel FETs and MOSFETs.