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  1. S

    How to make a current source with two transistors?

    current source hi I want to make simple current source with two transistor do power transistors do it without problem I dont need precision
  2. S

    Need circuit for making camera flash with 220V AC power

    camera flash I want to make camera flash with 220 volt ac power instead of ocsillator and I need a circuit if any body help me. and I want to control flash lamp with transistor so is it necessary to open the connect of ac power from flash capacitor. and so good if you know the current of flash...
  3. S

    Circuit for photography flash

    Hi I want a circuit for phtography flash can any one help me?
  4. S

    Help me buy a metal detector

    hello I wanna buy metal detector to work for about maximum 50 cm but with high precision to find at least 20 coins together .Do metal finders support this?
  5. S

    Can I install the .Net platform on Windows XP home edition?

    XP home edition vs .Net 1.Can I install the .Net platform on Windows XP home Edition .? If no what is differences between the xp professional edition and windows xp home edition. 2.Can I install a new platform on the laptop with the default platform .?
  6. S

    How to find a chip's port signals on the internet?

    chip I want to find a work of special IC that has been packed and I only have its port but the euip has name ,how I can search in internet to find its port signals.
  7. S

    Oscillator with 2 transistors and 2 distortions !

    oscillation I have a ocillator with 2 transistor but it has 2 distortion:once it is one other frquency on the sine wave (it is not harminic) I think my circuit has another resonance frequency but it is dammped like I mean we have a dammped sin wave in each period of main sine wave.another...
  8. S

    How to measure characteristic impedance of coax cable?

    cable How I must meausure characteristic impedance of coax cable? I have coax cable.I want to use it in 900MHz how I can measure it characteristic impedance. thank you
  9. S

    How to match my IC with this impedance load?

    Impedance Matching I am designing PLC(power line carrier) and I am using IC MC1496 for my project.The output signal of this IC is connected to LC load that this LC is coupler of signal to distribution line .How I must match my IC with this load? The unload signal is sine wave and the loaded...
  10. S

    Help me design class c amplifier at 5MHz

    class c hi I want to design class c amplifier .At frequency 5 Mhz what is the value of rfc ? thank you
  11. S

    How to excite coaxial cable with signal generator 50 Ohm?

    cable hi I want to excite coaxial cable with signal genarator 50 ohm.How I must match it. thank you
  12. S

    Questions about class c amplifiers

    class c hi I want to design class s amplifier.I want to know does it has any special point must be check.and I have another question I dont know why we use class c amplifiers and how we correct its distortion .
  13. S

    Looking for a reference for circuits schematics

    address hello I want a refrence for circuits schematics (analog and digitall) and if possible their work how can I find it
  14. S

    simulation + serenade+ communication circuits + lab

    hi thanks for answerring my message but i think that you hav misunderstood i want to use the sympony part to simulate some communication cicuits such as modulators buth digital and analog, pll and vco and i want some help to simulate them and i know how to use serenade bu don't know who tho...
  15. S

    Looking for analog LC meter schematic

    lc meter I want to find analog lc meter schematic.how I can find it. thank
  16. S

    RF,Microwave, Antennas and Optics,communication lab,serenade

    hi all i want to use serenade software (symphony part)for simulation communication circuits can any of you guied me how i can resize it's scope and how to simulate does cuircits ? thanks sina :)
  17. S

    How to simulate communications circuits in Serenade 8.7?

    serenade 8.7 need help hi all i want to use serenade software (symphony part)for simulation communication circuits can any of you guied me how i can resize it's scope and how to simulate does cuircits ? thanks sina :cry:
  18. S

    Looking for instructions to set up a transmission lab

    setup lab I want to setup up transmission lab I want to find some simillar lab instruction in other university for example lab instructions in dsp lab how can I find the instructions from universities like MIT,michigan or although not famous univercities. thank you
  19. S

    Looking for pcm line repeater and tester manual

    pcm I am looking for pcm line repeater and tester manual
  20. S

    Looking for some lab equipments manuals

    lab I am looking for some lab equipments manual (they are old).I am looking for wavetek 859 pulse generator and pcm line tester and repeater manual.

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