1. TONSING

    RCA adapter wires confused. Please help

    Given that the 2 photos are the RCA adapter with 4 wires each, and each ends has a yellow connector with 2 wires each. There are only 2 wires at the yellow connectors of both the RCA cables. Obviously, inner ring is video signal and outer ring is ground. Whereas, in the 1st photo, there are 4...
  2. O

    Simple soldering issue on a USB cable

    Hello guys, i'm new on this forum i just bought a camera without the charging cable the model : Nikon Coolpix S2600 i found a AV cable with the same connector, what i want to do is pretty simple in fact, but without any documentation it's became really hard do you know how can i solder a +5V and...
  3. mazraedar

    Wired communication between two fpga

    Hello everyone, First post here, I'll try to detail my issue as much as possible. So I have two FPGAs, each of them on a different card. Some pinouts communicate via a cable (with a total of 50 pins). The cable is pretty short ( 20 centimeters) and is fully Shielded. The problem beggins when...
  4. S

    Capacitance and Inductance of twisted pair cable

    In one of the article of "All About Circuits" about capacitance and inductance of twisted pair cable i found a set of formulae for computing capacitance and inductance of twisted pair cable based on diameter , spacing and dielectric constant as seen in the snapshot.. Can anybody give me the...
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