Hallo Jango1987!

Wenn es für dich nicht zu kompliziert wäre... siehe Code.

MfG
Code:
             VCC
              +
              |    Rv
              |    ___
        +-----+---|___|---+-----+-----+
        |     |           |     |     |
        |  .-----.       .-.   --- Cv |
   100nF|  |  S  |     Rp| |   ---    |
        |  |  E  |       | |    |     |
       --- |  R  |       '-'   ===    |
       --- |  V  |        |    GND    |
        |  |  O  |       .-.          |
        |  '-----'      P| |<-----+   |
        |     |          | | A    |   |
        +-----+          '-' |URp |   |
              |           |  |    |   |
              +---+      ===      |   |             URp < Us
              |   |      GND      | |\|   Rsb            ___
           S .-.  |   Rf      Rf  +-|-\   ___           |
           H | |  |  ___     ___    |CP>-|___|-+-->     |
           U | |  +-|___|-+-|___|-+-|+/   1k   |    ____|
           N '-'  A       |       | |/|        z
           T  |   |   Cf ---  Cf --- ===    Dz A    URp > Us
              |   |Us    ---     --- GND    4V7|
              |   |       |       |            |
             ===         ===     ===          ===
            HGND         GND     GND          GND