Hallo!
Code:
              VCC
               +
               |
        +------+
        |      |
       .-.    .-.
     Rd| |    | |Rc
       | |    | |
       '-'    '-'
        |      |
        |      +-----> Ausgang
      .-|------|-.
      | |      | |
      | |    |/  |
      | V -> |   |
      | -    |>  |
      | |      | |
      '-|------|-'
       ===    ===
       GND    GND

(created by AACircuit v1.28.6 beta 04/19/05 www.tech-chat.de)