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Recent content by patlas

  1. P

    Voltage follower with resistance input divider

    I don't understand parallel connection of 1Meg resistance. Firm resistor comes form divider but second? R = R2 || "??"
  2. P

    Voltage follower with resistance input divider

    Thanks for all replay, all of them are really helpful for me :) FvM Could you tell me how did you calculate my cut off frequency about 200kHz? Could you recommend me some literature connected with wideband circuits, or rather RF circuits?
  3. P

    Voltage follower with resistance input divider

    Hi, Recently I had to add voltage follower to my current probe (Tektronix P6022). I use fast enough opamp in my construction (LT1819). Everything works if I connect directly current probe to input of apamp but I need to scale input voltage by 2 so I try to insert resistance divider (1M/1M)...
  4. P

    Making own JTAG for ARM processor

    I have been thinking about STM32f10x and simple veriosion of LPC :) I want to write almost whole code as PC interface, AVR/STM will be only a data receiver and connector to ARM processor. Thats projecdt gave me my university professor so I've to do it :)
  5. P

    Making own JTAG for ARM processor

    I didn't express my idea as clearly as I want to :( I want to "invent" my own JTAG to ARM processors based for example on AVR :) Some "block" diagram: USB/RS232/... -> AVR/STM32 (heart of my programmer) -> programming ARM family :)
  6. P

    Making own JTAG for ARM processor

    Hi, I want to make my own JTAG for ARM processor :) Does somebody know where may I find some information of this protocol? I think that AVR processor will be good for that solution but I can't find any valuable information of JTAG ARM protocol :(
  7. P

    IPod 2G with broken tape

    Hi :) I'm a new member so I apologieze if I write in wrong section :) I've got some problems with my IPod :( Last time when I want to open it I crashed tape connecting some small pcb with bigger pcb :) I show my situation in 2 pictures above: What shall I do to repair my ipod :?:
  8. P

    What is a portable media player?

    Re: ipod It's MP4 or something like this :D
  9. P

    Looking for info about iPod software interface protocol

    Re: iPod s/w interface I don't thik that any body know something about this :/
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