signal | Page 5

signal

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  1. T

    long distance transfer of analogue signal

    I have to pick up an analogue current 0-20mA from a transducer that converts steam pressure to current, and transfer it over 200 metres to a boiler house, and then convert it back to either 0-10v or 0-20mA or even 4-20mA (trying to find out exactly what they want). Whats the best way to do it.
  2. W

    sky signal aeriel

    I've fitted/moved a 50" tv reset into chimney breast, 2 twin sockets behind, surround sound etc...now sky tv will not work...'no signal'... I had to extend the cable and cut and spliced extended coax (best coax approved for sky etc) I have done many tv/cctv extensions and understand the need...
  3. A

    Sometimes i hate customers

    Had a bloke call me and ask for a socket and tv point on the wall so he could hang his tv on there. I quoted him £65 as it was all stud wall. ariel above room and socket to spur off of. Nice and simple. He called me today upset as his wife complained I did not hang the tv for them. the...
  4. L

    dimplex heating

    Have any of you used dimplex or creda heating systems. I am wiring a new build, small bungalow one bed. there is no gas and I have wired to radials to each electrical heater but I need to wire a pilot wire for the heating system so the system runs through one timer / stat (the bloke from...
  5. J

    [HELP] 40 KHz Ultrasonic Signal Generator

    Anyone here have knowledge to help me in making of a 40KHz signal generator for my Ultrasonic sensor?? I'm very confused , I tried to make it with the electrical schematic from google.. and it doesnt work.. some one please help me [xx(]
  6. B

    how to average a curent signal?

    hey every body,before i ask my question i would like to introduce myself,because i am new here. I am boris.presently busy with my final year in electrical engineering.hope to get some help or help other member. I am busy with my last project now and i am facing one problem. i hace a system...
  7. N

    alarm and signal installations

    Hi, Can someone help me to understand what is meant by the phrase 'closed-circuit working', when used in alarm and signal installations?

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