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  1. Audioguru replied to the thread Hello, can somebody help wich transistor is like bfg520.

    You have 0 30Mm 10.7Meg 50 1000 in SFFM: 1) The sim program does not know 30Mm which should be about 500mV. 2) The 50 is the modulation...

    Aug 21, 2018 at 10:43 PM
  2. michael1978 replied to the thread Hello, can somebody help wich transistor is like bfg520.

    I see simulation, but i get some strange picture, i dont know is correct of now, how must to sffm 2V 10.7MEG 50 1KHZ Right,

    Aug 21, 2018 at 10:21 PM
  3. Audioguru replied to the thread Hello, can somebody help wich transistor is like bfg520.

    Do you know what is a "model" of an LM386? it has all the specifications so the simulation program knows its input pin numbers, how much...

    Aug 21, 2018 at 10:14 PM
  4. LESpark replied to the thread looking for some assistance with a 555 one shot controller?.

    Which of the 3 contacts by the relay is the normally closed one? I put 12v to the +ve and ground I then took power from the +ve and...

    Aug 21, 2018 at 9:48 PM
  5. kellys_eye replied to the thread RF enabled motor controller.

    Was there a problem with the answers you were given before? Or are you hoping for a different answer?

    Aug 21, 2018 at 9:33 PM
  6. kellys_eye replied to the thread Door Entry Phone.

    Assuming the cabling can carry a video signal are you talking baseband video or RF video? If baseband video then you may need a video...

    Aug 21, 2018 at 9:29 PM
  7. kellys_eye replied to the thread looking for some assistance with a 555 one shot controller?.

    I presume you connect your LED via the relay contacts - if so then use the (c) common and the (nc) normally-closed contacts. Supply...

    Aug 21, 2018 at 9:23 PM
  8. michael1978 replied to the thread Hello, can somebody help wich transistor is like bfg520.

    Sorry that i disturby, what for wrong now is circuit can you help please is almost finish

    Aug 21, 2018 at 9:16 PM
  9. caddyspark posted a new thread.

    looking for some assistance with a 555 one shot controller?

    I have a oneshot controller that when i power it, there is a time delay then the LED i wired in comes on, I need it to work the opposite...

    IMG_20180821_172956.jpg IMG_20180821_173002.jpg IMG_20180821_173008.jpg IMG_20180821_173014.jpg IMG_20180821_173023.jpg

    Forum: General Electronics Discussion

    Aug 21, 2018 at 8:57 PM
  10. michael1978 attached a file to the thread Hello, can somebody help wich transistor is like bfg520.

    look i change why he dont work now now [ATTACH] [ATTACH]

    2.png 22.png Aug 21, 2018 at 7:47 PM
  11. Audioguru replied to the thread Hello, can somebody help wich transistor is like bfg520.

    1) You have the audio output of the radio tuner shorted directly to +12V. Then there is no audio and the LM386 will be destroyed. 2) The...

    Aug 21, 2018 at 7:29 PM
  12. R791945 posted a new thread.

    Door Entry Phone

    In our block of flats there are 7 analogue, audio only door entry phones. There are enough free wires in the telephone cable to add...

    Forum: General Electronics Discussion

    Aug 21, 2018 at 7:17 PM
  13. Jpc1965 replied to the thread RF enabled motor controller.

    Is that a problem?

    Aug 21, 2018 at 6:51 PM
  14. michael1978 attached a file to the thread Hello, can somebody help wich transistor is like bfg520.

    [ATTACH]

    2.png Aug 21, 2018 at 6:48 PM
  15. michael1978 attached a file to the thread Hello, can somebody help wich transistor is like bfg520.

    HE DOES NOT WORK :([ATTACH]

    2.png Aug 21, 2018 at 6:15 PM
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