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Type: Posts; User: Kick

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  1. Replies
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    437

    Closed: Display segment issue

    Hi all,

    We are facing an issue in our display segment. Issue is after placing the display inside the enclosure (with PCB), some of the segments are not working in some boards.

    Note: Before...
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    0
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    2,021

    Closed: Firmware Developer-Bangalore

    Hi all,

    Our Company looking for a Firmware Developer for our current project. Whoever has experience in communication protocol SPI,I2C,USB etc and LCD board bring up are suitable for this job....
  3. Replies
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    1,355

    Closed: Re: Altium 18.1.9 missing pads ?

    If that is a test point, you can add a Pad/Via on the PCB itself and in the properties, "Net" option give the required net name.
  4. Replies
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    352

    Closed: Re: Boost regulator for 3.6V

    Thanks KlausST.

    Seems this regulator won't make any trouble. Min. Input voltage is 2V and Resistor range also fine (mentioned in datasheet, R2 range must be between 10K to 200K).

    - - - Updated...
  5. Replies
    3
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    352

    Closed: Boost regulator for 3.6V

    Hi,

    I have a doubt regarding a boost regulator using in our schematic. Converter output voltage is 3.6V. This voltage is for OLED.
    My doubts are:
    1. Whether this converter (NCP1406) is suitable...
  6. Replies
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    519

    Closed: HFSS simulation of loop antenna

    Hi,

    I've few doubts related loop antenna simulation in HFSS.

    1. While simulating antenna, full PCB layout is required? Most of the example showing just the antenna (without layout). If we...
  7. Replies
    1
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    2,637

    Closed: FFC/FPC connector for OLED

    Hi,

    I'm just stuck my PCB design work due to a problem. The problem is circuit has one OLED display of 14 number of pins. The pitch of the contact is 0.7mm. So far I didn't find any 0.7mm pitch...
  8. Closed: Re: How to differentiate NC drill layers in Gerber files?

    Hi,

    Usually, when we manufacture a PCB, we will send 2 types of folders ones is Gerber folders and another one is NC Drill folders. NC Drill folders includes these types of files.
    a ) .DRR
    b...
  9. Replies
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    2,370

    Closed: Re: shock sensor for rotational motion detection?

    Hi HTA,
    thanks for your reply.

    For testing we fixed sensor on scooter tire. When tire starts rotating sensor should detect and wake up uC. But currently this is not happening.
    Mean while when...
  10. Replies
    3
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    2,370

    Closed: shock sensor for rotational motion detection?

    Hi all,

    I have a doubt regarding shock sensor. For rotational motion detection shock sensor is suitable? Our application is automotive (TPMS).
    So far we did lot of test with different...
  11. Replies
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    Closed: Current draw from different vendor batteries

    Hi,

    I have a simple question related to coin cell battery.

    I was testing our circuit with different vendor batteries. Specifications of both batteries are same (Volt:3V and capacity:345mAh)....
  12. Replies
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    1,864

    Closed: Re: how to remove text designator in pcb in altium

    Hi,

    You can hide the designator. Double click on footprint, in Designator check "hide" option. If you want it, just rename.

    Thanks,
    Vipin.
  13. Replies
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    Closed: Re: Ratsnest not visible in altium pcb editor

    Hi,

    Did you check this option?
    140271

    Thanks,
    Vipin.
  14. Replies
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    1,150

    Closed: Re: What are these cross symbols on my PCB layout?

    Hi,

    These are rule violation due to overlapping of pad and vias.

    For avoiding this error, connect both pad and vias to same net. I hope the pad should connect to GND (ground) and also vias.
    ...
  15. Replies
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    Closed: CC2541 comparator problem

    Hi,

    We are trying to use CC2541 internal comparator for waking up the controller from deep sleep mode. So far we could able to enable the comparator, but the comparator output is not getting...
  16. Closed: NFC antenna interface with Microcontroller I/O pin.

    Hi,

    Our tpms based project need to add NFC circuit to wake up Microcontroller (CC2541). We are using Premo antenna for NFC. https://www.grupopremo.com/upload/cat/TC0502HF.pdf
    Output of antenna...
  17. Closed: CST simulation aborting (2 micro strip antenna)

    Hi all,

    In my design I am using 2 micro strip antenna. I have added 2 separate ports and signals for antenna. But When I am starting simulation, it's always aborting. Single antenna simulation is...
  18. Replies
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    1,008

    Closed: Improve efficiency in CST model

    Hi,

    I am new in CST design. I have designed a model from gerber and simulated antenna. After a number of tuning I got better return loss (-15.5dB), but radiation efficiency is not so good...
  19. Replies
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    1,670

    [SOLVED]Closed: Re: Altium designer problems.

    Restarting altium as well as PC didn't work. I deleted some unwanted altium files and cleared memory, now it's working fine.
  20. Replies
    3
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    1,670

    [SOLVED]Closed: Altium designer problems.

    Hi guys,

    I am facing strange problems in Altium designer from yesterday on wards.

    1. I created .Outjob file for Gerber and NC drills, but it did not generate all the files. First time it...
  21. Replies
    3
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    955

    Closed: Re: Coin cell battery dying soon

    Thanks for the reply.

    But we are facing this issue in potted boards. Once we potted we can not check the voltage level also, this is the main problem we are facing.
  22. Replies
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    932

    Closed: Re: Analog and digital ground saparation

    Split the GND plane in to two- Digital and Analog and use via to connect with these planes from top and bottom. Also avoid the digital track above the analog section.
  23. Replies
    3
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    955

    Closed: Coin cell battery dying soon

    Hi,

    We are facing a critical issue related to coin cell battery. We have our own products,its powering through 3V coin cell battery (BR2450,550mAh). According to our calculation battery should...
  24. Replies
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    543

    Closed: Stem valave as antenna

    Hi,

    I am working on Automotive based project(TPMS). Now our product has PCB trace antenna. In the next version we are planning to add Stem valve as antenna. I do not have any idea about what...
  25. Closed: Re: Altium..Trying to flip an opamp symbol in the horizontal axis

    1. You can use space bar for rotating a symbol (90 degree).
    2. For flip in horizontal axis. Select symbol,Go to properties and Check Mirrored option.
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