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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by kevinkirkp

  1. K

    Parts Distributer

    Northeast US
  2. K

    Parts Distributer

    Just wanted to get an idea for where people get their parts from. I know there are various on-line stores that sell parts. Where do you all shop/recommend as a good supplier for small quantity orders and resonable prices? thanks, Kevin
  3. K

    Getting stereo from two MC34119 ICs

    Yes, it would work if I connected it to standard speaker wire, but the problem I have is that i have to use a stereo jack (female). That presents a problem because I have 4 leads to go to three contacts on the stereo jack. I have noticed the same thing with the LM386 (distortion at lower...
  4. K

    Getting stereo from two MC34119 ICs

    I am not sure that LM386 is an option at this point. I will have to put it back onto a proto board and see if it will work with 3v in this application. The nice thing about the Motorola chip is that I can effectively double the amplification because I am using VO1 which is in phase, and VO2...
  5. K

    Audio Filter

    Anyone know of any good circuit snippets that would allow me to filter certain audio frequencies? I am not looking to amplify, only supression. Hopefully something that would be rather simple and easy to compute the frequencies I want to supress. I couldnt find any good web sites about this...
  6. K

    change username

    yeah, I have the same problem. I tried to delete a post and couldnt (I tried everything). Also I tried to change my username with no luck there either. any ideas?
  7. K

    Getting stereo from two MC34119 ICs

    I am designing a circuit right now which takes stereo from a source and amplifies it to drive small speakers. The chip I am using is a Motorola chip MC34119. Currently I am using one chip, where left and right input are connected to the Vin pin and then the ground is going to the ground pin on...
  8. K

    Decabel Meter

    Well, I have actually seen some schematics on the web that claim to measure sound in this manner. If still interested, I can try to find the link in my Favorites. I can remember the curcuit using LEDs as the meter. I am not sure what the resolution was for this schematic. One problem you...

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