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  1. aurelZ

    Short-haul OTA TV rebroadcast?

    There is a simple solution called signal reflector.
  2. aurelZ

    Where is the catch?

    Ok i get it! But again if is locked ..why is still there? should it be better that are deleted. by the way what should be real purpose of board Twilight Zone?
  3. aurelZ

    Where is the catch?

    hello admin it is not something very important but for example topics under Twilight Zone called "Led magnetics" or omething like that i cannot reply for example ,is this topic locked? i don't see any icon that is locked or maybe i am wrong. all best!
  4. aurelZ

    Where is the catch?

    I would like to ask why I as a new member cannot post or reply to some topics forum stated: (You have insufficient privileges to reply here.) Why is that ? Or is that because i am new member? thanks
  5. aurelZ

    Simple SW receiver on 3V?

    Google search results are heavily influenced by a hidden agenda---- Yes you have a right..that is why I more and more use Bing search.
  6. aurelZ

    Simple SW receiver on 3V?

    by the way do you maybe know for some links to FM tuner front ends schematic? I am looking trough google but there is no good or concrete links most of that are pure trash
  7. aurelZ

    Simple SW receiver on 3V?

    Well this time i like "WallOfText" Most of things you said i already know but is not bad to read complete explanation and i read it. Hmm i am interested for this small Panasonic am7fm radio, it is nice and to let you know all transistors inside are NPN not PNP and not germanium than are silicon...
  8. aurelZ

    Simple SW receiver on 3V?

    Ok all 5! But i don't hve in plan to buy anything i have a lot old junkbox parts from CRT TV and monitors and that is just for hobby.. Your AB class amp is not bad and i recently build one very similar to yours yes it has low output and can be used with phones . Also i have few amp chips which...
  9. aurelZ

    Video signal amplifier.

    Sorry h1944 when you right you right ! OK! So he need to rool and unrool caable every day ? That really sucks,...
  10. aurelZ

    Simple SW receiver on 3V?

    Look i don't have nothing against using 9V battery which is good for so many other purposes but not for a radio /audio circuits simply because battery life is short and that battery can be used with small current devices only.
  11. aurelZ

    Video signal amplifier.

    From AD811 data : Flexible operation Specified for ±5 V and ±15 V operation ±2.3 V output swing into a 75 Ω load (VS = ±5 V) this looking very good ,and should work well in your case!
  12. aurelZ

    Video signal amplifier.

    " If it is truly solid and not stranded, that is a huge problem because solid wire is " really .. since when is this a problem? problem is in wire diameter on such a large distance and must be 1 mm minimum
  13. aurelZ

    Simple SW receiver on 3V?

    And here is a one of options for 3V sw radio receiver.
  14. aurelZ

    Simple SW receiver on 3V?

    And again ... no naswer or suggestion.. just another question ...hmmmm! oh yeah ! ...like a rock song ?
  15. aurelZ

    Simple SW receiver on 3V?

    And again ... no naswer or suggestion.. just another question ...hmmmm!
  16. aurelZ

    Simple SW receiver on 3V?

    I don't get it why you asking this again? it is perfectly clear to anyone that A celles have longer life and can deliver more current than 9V batteries. I see that most of "experts" here like to talk,talk,talk,,,, without giving real help to one who ask question. Why is that ? Old...
  17. aurelZ

    Simple SW receiver on 3V?

    so I would ask if it really has to be 3V? Yes it must be build with 3V battery to be portable and with larger A battery to last longer..
  18. aurelZ

    Simple SW receiver on 3V?

    It is not point in - I can buy radio than can i build it ..there is no fun in buying but building process is something more ...
  19. aurelZ

    Is transistor faulty or something else amiss

    devnode if Audioguru circuit looks complex to you you can try this one. princip is the same
  20. aurelZ

    Video signal amplifier.

    Ok length is cca 150 m and i think that you have right with a suggestion BUT then i found on internet this statement: The maximum length depends on a couple of things such as the transmission speed and the Category of twisted-pair LAN cable being used. Typically, for 10/100/1000 mbps links, 100...
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