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Recent content by Igor_S

  1. I

    Need schematic for APEX DVD player DVX-2102

    Hello, Would somebody please to upload the schematic or Service Manual (containing schematic) for APEX DVD player DVX-2102 Thanks
  2. I

    Video Projector Infocus LP330 Service Manual needed

    Please upload the Service Manual for Infocus LP330 video Projector
  3. I

    Tektronix 466 scope Service Manual with circuit diagrams nee

    tektronix 466 manual Hi, Would somebody please to upload the Service Manual for Tektronix 466 oscilloscope? Thank you in advance
  4. I

    How can microcontrollers measure distance between themselves

    Re: measuring distance If you deal with RF, measuring of reflected wave phase (i.e. delay) may be more realistic
  5. I

    suggest me power analysis tool for high speed board

    Hi, Some tools I know about, are: 1) Power Integrity from Cadence. It is actualy a part of SpecctraQuest product. The abilities are plane's resonanses investigation, impedance graphs considering capacitors placement, noise (SSN) influence and much more. The tool works in "frequency domain"...
  6. I

    How to add the "IREF" of ports in Orcad?

    orcad capture iref Hi, You shoud go "tools/annotate", tab "packaging", section "action" - click on "add intersheet references" Hope this helps
  7. I

    ANY LOW COST Thermal Design Software

    I dont know about prices, but check: 1) FLOPCB (Flometrics) 2) Betasoft (Dynamic Soft Analisys) 3) TASPCB (Harvard Thermal) I guess you mean PCB design. Please post your mind when you check the soft.
  8. I

    How to reduce voltage from 5V to 2V DC

    Re: Voltage reduction Hi, It depends. If you do not have any requirements for precision, and if your load is nearly constant - you can use resistor divider. If your load is worling in broad range of supply current - use LDO - Low Dropout Voltage Regulator
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    1/4 time car meter without microprocessor?

    Hi, I assume that you need high resolution/precision, if you point to electronical way of time measuring - opposite you can use mechanical / electromechanical / chemistry ways, not speakins about old good sand clock :)). Thus, you obviously have to use the oscillator - counter - display system...
  10. I

    additional volume control for my car's stereo?

    Hi, You may consider to use the stereo unit with difital "Up/Down" vulume control buttons, and extend the additional wiring to remote buttons, placed on steering weel? Regards
  11. I

    getting video for editing from webcam

    Hi, Most digital cameras have "webcam" mode, which provide real-time USB transfer. I suppose there are some tools from grabbing the USB-transferred image
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    Communication under 15m ?

    hi, It mostly deends on many enviromental factors - how noisy your enviroment is, driver rise/fall time causing reflections on unterminated (if) lines, the data transfer speed etc. The differential protocols (RS422/485) are intended to eliminate common-mode noise from enarby sources. Thus, if...
  13. I

    Zero Crossing Detector - connecting to Counter Driver

    Re: Zero Crossing Detector Hi, If you want to know how the Zero Cross Detector work ( as I understand from your question ) - it usually is a type of voltage comparator with predefined threshold ( near zero ) and slight positive feedback forming hysteresys ( Shmidt trigger )
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    LASER detection circuit

    laser detector circuit Hello, Sorry - I meant "omnidirectional" light source, thus the detector onboard robot is always capable to detect it. The angle value you can get from detector's rotation encoder. Thus, three angle values of maximum dtetcted light give you the position. By modulating the...
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    Circuit Needed - looking for help

    Re: Circuit Needed Hi. It is impossible to detect contact shorting, with no voltage applied to contacts, It may not necessary e 12V, but you SHOULD apply some voltage to contacts! From another point of view, the contacts NEED some current to flow in order to avoid oxiding, also.
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