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  1. LvW

    voltage across capacitor

    R1 is in parallel to the voltage source. Thus, the voltage across r1 is identical to the source voltage V1 (12 V). The voltage across C1 is nearly identical to the source voltage due its very large parallel loss resistance - in parallel with the instrument´s input resistance..
  2. LvW

    Oscillator circuit - possibly Wien Bridge Oscillator?

    @ TFahey: There are several reasons your circuit cannot work as desired. At first, your power supply has no ground reference - thus, there is no proper operational point. You should use a split power supply. Secondly, each linear oscillator needs a second-order feedback path. Therefore: Do you...
  3. LvW

    low pass or high pass filter

    @vasanth: While doing the analysis as recommended in the previous post don´t forget that working filter circuits are connected to a * source with a certain internal resistance (impedance?) , and * to a load inpedance which processes the filtered signal. Both impedances influences the filter...
  4. LvW

    A friendly "Hello" from Bremen, Germany

    Hello to all - I have just registered today. Please excuse my bad english - it is not my mother´s tongue. Regarding my age - I am already in the "7th heaven". After 10 years working in electronic industries I was for 25 years engaged as a lecturer for analog electronics at a university (now...
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