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  1. zak4000

    Simple RF Transmitter and Receiver for PIR module thing

    Hi, i've got a small PIR module with 3 leads:- Output, V+ and Gnd Its output is a logic output, it goes high when it senses movement or IR or something. Does anyone have any ideas of how to make a simple transmitter and receiver that can... well transmit a signal from a logic signal and receive...
  2. zak4000

    Large Heatsink Wanted... Plzzz?

    Does any one have a large heatsink with a thermal resistance of 0.4C/W (0.6C/W most)? Length needs to be 260mm+
  3. zak4000

    PCB Manufactuers!!

    Hi, does anyone know any PCB Manufacturers that DON'T requare the customer to be a proper company?? Plz Help....
  4. zak4000

    PCB Stuff....

    In the screenshot theres a material type for PCBs: FR4, FR2 and other... whats the difference? And whats the difference of finish: Hot Air Solder Level, Nickel Gold and Silver?
  5. zak4000

    Large Heatsink Wanted... Plzzz?

    Does any one have a large heatsink with a thermal resistance of 0.4C/W (0.6C/W most)? Length needs to be 260mm+
  6. zak4000

    Freeview frequancys

    Does any one know the frequences used for Freeview? Freeview is a free digital TV thing in the UK, don't know if its in other countrys. In the UK we can just use a normal analog TV aerials, but some places need a high gain aerial. I wanted to make a signal amplifer to save money on buying a high...
  7. zak4000

    WinRar

    What WinRar?? Well here it is... (Its Winrar 3.50 Corporate Edition) If you have Windows XP then download the Winrar.zip If you have an older OS than XP download the Winrar.exe.png (It is NOT a image!!) Then delete the .png part ;) Winrar.zip
  8. zak4000

    What are FETs, Diacs and Triacs???

    Hi, i've seen MOSFETs, JFETs, FETs, Diacs and Triacs being used and things but what do Diacs and Triacs do? And whats the difference between MOSFETs, JFETs and FETs from normal transistors??? And how are thay used??? Please explain.... :-\
  9. zak4000

    PCB Design

    Can someone design a PCB for this schematic?? (The dotted cap. is ment to be a 10uF elec. with a dual pot. in series (one for each amp) for the gain and the 2.5M is the volume) The amp type i'll be using is the LM380N. Thanks LM380_2.5W_Amp..pdf
  10. zak4000

    A little help.....

    I was experimenting with a subwoofer amp and it suddenly stopped working ??? Any datasheets for a Sound Force QS7889 Version 1.0 sub?
  11. zak4000

    Goodmans MC100 Service/Repair Manual

    Hi i'm looking for a Service/Repair Manual/Schematic for a Goodmans MC100 steoro system.
  12. zak4000

    100W Amplifier Help

    Hi, I was just woundering how i could get more power out of my amplifier, i have built the origanal (Orig 100W rms Schematic.JPG) and it works. My 'theory' schematic is 'New Schematic.JPG' - is it right?
  13. zak4000

    JVC CA-MXKB25 Service/Repair Manual/Schematic

    Hi i'm looking for a Service/Repair Manual/Schematic for my JVC CA-MXKB25 steoro system. Thankx. :-\ [attachment deleted by admin]
  14. zak4000

    TANSISTOR NEEDED PLZ

    Can any one tell me were i can get a BFW92, BFR90 or BFR91? (Or send me one if u want) Thankx!! :P BFR90.pdf BFW92.pdf BFR91.pdf
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