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 labs.ioactive.com
IOActive Labs: Probing and Signal Integrity Fundamentals for the Hardware Hacker, part 2: Transmission Lines, Impedance, and Stubs
| | opguides.info
2 Tools | Opinionated Guides
4.4 parsecs away

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| | The Tools of the Trade # Okay so we know we have voltage, current, and power. Additionally, youve probably heard about terms like resistance, impedance, capacitance, and maybe inductance before. What the heck do these mean? Well, to each into a more tangible context, lets look at the tools used to measure each. Building, fixing, and analyzing circuitry requires the use of a some tools and appliances, so lets look at the basics of working with electricity by looking at what purpose the tools serve.
| | helentronica.com
25 Mbps discrete logic transceiver for learning purposes - HELENTRONICA
4.6 parsecs away

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| IntroductionPart One - the transmitterTransmitter Circuit DesignLogic family choicePRBS architectureClock source and bufferDecoupling capacitorsManchester encoding Pre-emphasisLine driverLayout Introduction I am about to build a full PHY (physical, duh) layer for data transmission that simulates the multi-Gbps transceiver circuits usually seen in high-end FPGAs and ASICs. The reason I'm doing that is to get a closer...