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Recent content by shrutib

  1. S

    Voltage levels on JTAG pins

    Hello, I am using 10pin JTAG header and have follwing voltage levels on pins when device is powered on: TMS = 3.3V TCK = 3.3V TDO = ~2mV TDI = ~2mV nRESET = 3.3V The problem is the controller is not responding when connected to debugger. should the voltage levels at TDO and TDI be also 3.3V...
  2. S

    Pick and place text file from eagle

    Hello, I need a pick and place .txt file and I have used Eagle for creating PCB board. Is these a way to get this file directly similar to CAD?
  3. S

    2.4GHz Antenna for flexible PCB

    Hello, I have designed a circuit for data transfer using Bluetooth Low Energy for a flexible substrate with thickness 125um. I need a help in searching a suitable 2.4GHz antenna and requirements for the same. Thank you in advance.
  4. S

    Battery options for Wearables

    Hello, I am designing a wearable for medical application and I am searching for a rechargeable small size battery. I have searched a lot,but couldn't find one. Can anyone help me with some ideas/options?
  5. S

    Creating custom profile/service for BLE on Code Composer Studio

    Hello, I am trying to create a custom profile/service for bluetooth low energy using CC2640 on Code composer studio(CCS). I found a tutorial from texas instruments for creating such profile,but the steps are described only for IAR embedded workbench. Can anyone help me in creating such on CCS...
  6. S

    Inverted antenna and chip antenna for CC2640

    I will use printed antenna initially.Only if it does not work (as it is sensitive to dimensions) I will solder the chip antenna. Still not possible without Rf switch? Also, having just chip antenna layout (package) and not smd part soldered near printed antenna will affect data transmission...
  7. S

    Inverted antenna and chip antenna for CC2640

    Hi, I am designing a circuit for bluetooth data transfer and want to use inverted F antenna and also a chip antenna as a substitute (if in any case pcb antenna does not work). Does putting chip antenna besides printed pcb antenna affect the pcb antenna at initial stage? Thanks in advance.
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