By Claudine Nicolette. Electrical Wiring. Publised at Thursday, November 30th 2017, 15:12:14 PM. Reset pin may be used to generate a system reset of the IC. And while a reset may also be externally generated by issuing a command (referred to as a soft reset), to achieve a full reset it is recommended to use the nReset pin (or of course you can also cycle power). On the other hand, if this pin is not to be used then it is recommended that it is either left floating or tied to VDD via a series resistor of value ≥2 kΩ.
By Gaspard Magalie. Car Wiring. Published at Saturday, December 30th 2017, 04:07:17 AM. This system uses a metal wire embedded underneath the road as a guide for the battery powered vehicles. This wire is flexible enough to be used on straights, curves and hills. The vehicles are fitted with a motorised chassis and rechargeable battery which pushes the vehicle forwards via a small motor and gear arrangement, following the guide wire. The magnet offset to one side on the chassis is what activates the various additional modules (more on those later).
By Cyrille Lothaire. Car Wiring. Published at Saturday, December 30th 2017, 02:17:52 AM. The electrical wiring in a car is a system of colour-coded wires called the loom. Where several wires run side by side they are bound together with insulating tape or plastic sleeving.
By Gaspard Magalie. Electrical Wiring. Published at Friday, December 29th 2017, 23:04:12 PM. Typical fixtures have high-temperature resistance, good mechanical strength for precision machining, and good abrasion and chemical resistance to withstand the pallet cleaners and soluble fluxes.
By Claudine Nicolette. Electrical Wiring. Published at Friday, December 29th 2017, 20:19:29 PM. It’s always good to be cognizant of trace lengths when you’re laying out a parallel bus, though at moderate frequencies it is nothing to stress about. The propagation time for a signal traveling through a trace is maybe 150 picoseconds/inch. So if you have two traces with a length mismatch of one inch, one signal will arrive 150 ps after the other signal. If your signals are transitioning at a frequency whose corresponding period is much greater than 150 ps, this one-inch mismatch won’t cause problems. Even at 100 MHz (which is pretty fast for a parallel bus), the period is 10 ns, i.e., ~67 times larger than the time-of-arrival discrepancy for a one-inch mismatch.
By Adrienne Emmanuel. Electrical Wiring. Published at Friday, December 29th 2017, 20:12:23 PM. You can see how all the power supply connections use large traces or copper pours. The AWG doesn’t have high current requirements, but the board house doesn’t give you a discount for using less copper, so you might as well opt for large (= low-resistance, low-inductance) traces if you have the room.
By Dorian Yannic. Electrical Wiring. Published at Friday, December 29th 2017, 15:30:43 PM. Since the finite-impulse-response (FIR) filtering is a common operation in DSP, we will continue our discussion based on examining the difference equation of an FIR filter. This simple example will show the typical properties of many DSP algorithms. After reviewing the problem of handling the incoming samples, we will discuss the circular buffering as an efficient solution to the problem.
By Mailys Laurent. Electrical Wiring. Published at Friday, December 29th 2017, 09:43:55 AM. Panelization is the arranging of arrays of multiple PCBs onto a single substrate that fits in the standard processing machine. A panel may hold multiple boards with similar or different sizes and shapes. This method is faster and less costly compared to the fixtures, which require a custom carrier for every new PCB design.
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