By Adrienne Emmanuel. Electrical Wiring. Publised at Saturday, January 06th 2018, 01:57:12 AM. digital signal processor is a specialized microprocessor for the kind of algorithms employed in digital signal processing (DSP). The main goal is to accelerate the calculations while keeping the power consumption as low as possible. In this article, we review a basic addressing capability of DSP processors, i.e. circular buffering, which allows us to significantly accelerate the data transfer in a real-time system. Please note that since the acronym “DSP” stands for both “digital signal processing” and “digital signal processor," we will use the term “DSP processor” when referring to the hardware rather than the algorithm.
By Olivier Constance. Electrical Wiring. Published at Monday, February 19th 2018, 05:58:07 AM. This PCB, like almost all of my PCBs, is a four-layer board. In my opinion, it is not wise to restrict yourself to two layers unless you’re dealing with a very simple circuit or you really need to cut costs. The four-layer arrangement is beneficial in terms of routing and performance: routing, because via connections to internal planes almost completely eliminate power and ground traces; and performance, because the internal planes allow for low-resistance, low-inductance power and ground connections. The extra top-layer and bottom-layer real estate opened up by all the internal-plane connections come in very handy when you need to provide a generous copper area for improved thermal performance (for example, to make sure that your LDO or your motor driver doesn’t overheat and enter thermal shutdown).
By Olivier Constance. Electrical Wiring. Published at Monday, February 19th 2018, 03:41:02 AM. The decoupling capacitors (C4, C5, C6, C7, C9, C10, C11) are arranged around the perimeter of the chip, very close to their respective power pins and to the vias that connect the caps to the internal planes. Notice how the smaller cap is always closer to the power pin; this is because we rely more on the lower-value capacitor for high-frequency bypassing, and thus the first priority is minimizing the inductance and resistance between the smaller cap and the pin.
By France Barbara. Car Wiring. Published at Sunday, February 18th 2018, 17:58:15 PM. STARTER SOLENOID "Relay" — All cars are wired so that the batterys main cable connects to the starter motor windings "the thick cable is needed for large current flow, right?". This wire must be switched on and off, of course, and it would be costly and inefficient to route it through the ignition switch "not to mention the size of the switchs components required to carry such current!". Consequently, a relay is necessary.
By Claudine Nicolette. Electrical Wiring. Published at Saturday, February 17th 2018, 21:58:32 PM. SMT fixtures are rigid PCB carriers that allow manufacturers to load single or multiple irregular boards, and then take them through the standard processing machines. This makes it possible to carry out tasks such as automatic mounting of electronic components, infra-red reflow soldering, wave soldering, automatic testing, etc.
By Olivier Constance. Electrical Wiring. Published at Saturday, February 17th 2018, 18:11:50 PM. When implementing a real-time system, we find a circular buffer critical whether we are using a DSP processor or a general purpose processor (GPP). However, with a GPP we may have to implement the circular buffer in software. As discussed in the previous section, with each new sample, we have to update the pointer which contains the address of the newest sample. With a circular buffer implemented in software, the programmer needs to take care of updating the buffer pointers after each read and write operation. When the pointer reaches the end of the buffer, the program must wrap the pointer back to the beginning of the buffer.
By Olivier Constance. Electrical Wiring. Published at Saturday, February 17th 2018, 11:30:49 AM. Splices may be used within 30cm of a termination device when attaching to the pigtail spare lead of a potted termination device, to splice multiple wires to a single wire, or to adjust the wire sizes so that they are compatible with the contact crimp barrel sizes.
By Cyrille Lothaire. Motor Wiring. Published at Saturday, February 17th 2018, 06:51:40 AM. Parts of the motor are often attached to a circuit board. Magnets are attached on the inside of the can that spins with the shaft .. sort of like a spinning umbrella. All brushless motors have a spinning umbrella. Inside the umbrella is a permanent magnet. It looks like one continuous round magnet. However it is more like series of magnets.
Nolanwebdev - Wiring Diagram Images Collection
Copyright © 2003 - 2018 Domain Media. All sponsored products, company names, brand names, trademarks and logos arethe property of their respective owners.