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  1. Home
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  3. Sensebender Gateway RFM69HW Decoupling Capacitor

Sensebender Gateway RFM69HW Decoupling Capacitor

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  • N Offline
    N Offline
    Nalith
    wrote on last edited by Nalith
    #1

    I am planning on using the Sensebender Gateway for my Gateway and was wondering if I still need a "decoupling" capacitor on the radio or does it already have one built in on the board? I have had to limit the transmission power to 15 DBM ("#define MY_RFM69_TX_POWER_DBM 15") due to instability hence the reason for my question?

    Thanks in advance.

    T 1 Reply Last reply
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    • N Nalith

      I am planning on using the Sensebender Gateway for my Gateway and was wondering if I still need a "decoupling" capacitor on the radio or does it already have one built in on the board? I have had to limit the transmission power to 15 DBM ("#define MY_RFM69_TX_POWER_DBM 15") due to instability hence the reason for my question?

      Thanks in advance.

      T Offline
      T Offline
      tbowmo
      Admin
      wrote on last edited by
      #2

      @nalith the sensebender gateway does include both 10uF and 100nF decoupling capacitors on the board, near the radio.

      I haven't used the GW with rfm69 that much though, so I have no experience with that radio.

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      • M Offline
        M Offline
        manutremo
        wrote on last edited by
        #3

        I also had to limit power to 13 dBm; in my case I think the reason is that the board needs more power than what the battery can provide when over that level, but I was never able to prove it.

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        • T tbowmo

          @nalith the sensebender gateway does include both 10uF and 100nF decoupling capacitors on the board, near the radio.

          I haven't used the GW with rfm69 that much though, so I have no experience with that radio.

          N Offline
          N Offline
          Nalith
          wrote on last edited by
          #4

          @tbowmo said in Sensebender Gateway RFM69HW Decoupling Capacitor:

          @nalith the sensebender gateway does include both 10uF and 100nF decoupling capacitors on the board, near the radio.

          I haven't used the GW with rfm69 that much though, so I have no experience with that radio.

          Great, thanks for the feedback!

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