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Type: Posts; User: pk2010

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  1. Replies
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    Closed: Clean power supply for RTC

    155384

    I made a device which uses 18650 battery for runing RTC. A coin battery was not possible because the customer did not want the hassle of changing batteries for at least 3-4 years. The 12v...
  2. Closed: Why an input inductor required in all GPS LNA?

    Hi,

    In almost all the datasheet of GPS LNA i have read so far, all of them say following

    "Output is matched to 50ohm, Input just needs a matching inductor". They even write it highlight this in...
  3. Closed: voice communication between microcontrollers

    i need to design two microcontroller based devices, both should have microphone and speaker
    and ethernet port.these devices should obtain a fixed ip address say 192.168.1.1 and 192.168.1.2
    when...
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