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  1. SM2GXN

    CRT monitor

    Just an add to windoze killa excellent post, what brand and model number?
  2. SM2GXN

    REQUIRED A GTO

    Here's some good reading about GTO,s CHARACTERISTICS_OF_POWER_SEMICONDUCTORS.pdf
  3. SM2GXN

    rf oscilaotrs

    Here's a link that might be of interest but it's the lazy way of calculating  ;D http://web.telia.com/~u85920178/blocks/osc7m00.htm
  4. SM2GXN

    a 43yr old e-God, steven

    Happy birthday Steven! Hope you will have a nice birthday party, watch out for bad hangover  ::)
  5. SM2GXN

    system operation

    Audioguru you are probably right, there is no trip or holdtime to adjust but wikipedia was right about the vox  ;D
  6. SM2GXN

    My Computer Crashed Again

    Hey Staigen did you drop a screwdriver or a metallic snuf box on your mother board? POOOF!!!!  ;D
  7. SM2GXN

    system operation

    Hi logan_dslasher! You are perfectly right, couldn't be said better  ;D
  8. SM2GXN

    amplify the power (infrared)

    By the way audioguru, have ever tried to simulate an AM circuit in switchercad?
  9. SM2GXN

    amplify the power (infrared)

    Hi audioguru! I think it will create AM and two sidebands if you inject a sine wave into the emitter, if I don't remember wrong just about same configuration is used in RF but as collector load a tuned L/C circuit. What do you think audioguru?  :)
  10. SM2GXN

    85dB

    When you say 85dB you probably mean the loudspeakers sensitivity which is measured by feeding the loudspeaker with a voltage that produce 1W at its impedance and a microphone at a distance of one meter from the loudspeaker. To produce 1W in a 8ohm speaker you need 2,83 volts RMS, same voltage...
  11. SM2GXN

    Ante 50 Years Young

    Well Ante, if Staigen and I lived closer we would stop by and bring all necessary tools for a successful evening  ;D Cheers!!
  12. SM2GXN

    NTE X REF doesnt work on my new MAC MINI

    Hi ZAP101! Ill do my best... BD139 TO220= NTE375 BD139 TO126= NTE184 MJ11016= NTE2349 MJ11015= NTE2350 BC546= NTE123AP BC556= NTE159 BC559= NTE159 BC549=NTE123AP BD139= NTE184 BD140= NTE185 TIP35C= NTE392= (TIP35A) TIP36C= NTE393= (TIP35A) ;)
  13. SM2GXN

    Bootstrap Circuit

    Sorry I forgot to place the link in my post, there's nothing wrong with your opera Godfather Thanks audioguru  ;)
  14. SM2GXN

    Bootstrap Circuit

    Hi Godfather! You can download it directly from LT website, here's the link to the download page just click on LTSpice/SwitcherCAD III
  15. SM2GXN

    pcb editing and printing

    Hi akolo georges! In eagle: File/export/image put name on the file you want to export, location and choose format bmp, png.... press OK and you are done  ;)
  16. SM2GXN

    dipole antenna formula

    Hi sssaaa! As I said for listening it is not that critical, those formulas take conductor thickness as well as speed of the radio wave into acount. One can say that as the antenna element gets thicker the total length decreases and the antenna will cover a greater bandwith. If the antenna is to...
  17. SM2GXN

    Electronic book online

    Hi logan_dslasher! Thanks, well if I had a software that could export tp PDF I would copy every single chapter and transfer it to PDF. Some of the books they got are downloadable but not those I mentioned in my post  ;D
  18. SM2GXN

    dipole antenna formula

    Hi sssaaa! Did you read our posts? windoze killa and I wrote about how to calculate the length. The formula is in there, just calculate the antenna at center 84Mhz it will do just fine for listening no need for two antennas, 150/84=Half wave dipole length in meters, cut the length in two...
  19. SM2GXN

    Electronic book online

    Hi! Found these two excellent books on the web, these are for newbies as well as for pro,s First one handle radio receivers: http://www.mikroelektronika.co.yu/english/product/books/rrbook/rrbook.htm The second one take care of electronic components...
  20. SM2GXN

    Need a very simple diagram for a mic circuit

    Check this link, it might be what you are asking for. http://www.epanorama.net/circuits/microphone_powering.html
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