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  1. M

    Colpitts Crystal Oscillator

    Hey, Just wondering how to choose my L,C,R variables to achieve a desired frequency. Do I just choose any combination that yields X Mhz = 1 / ( 2pi * sqrt(L*Ctotal)) ? What would be a good, practical realization of a Colpitts with a desired output frequency of 100 MHz? I.e, the variable...
  2. M

    Basic Oscillator Question

    Hi, I saw another post about multiple frequency FM transmission but it was a bit different. I'm looking to design a simple circuit modifying a single-frequency FM transmitter to 3-4 different frequencies. Assuming I already have a signal at say, 100MHz, from what I understand I need to...
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