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Hello,
I stucked during my project looking for proper solution. From simplified schematic below, L1 and L2 are my antenna (L1 = L2 and L_antenna = L1 + L2), and I want to switch tuning capacitance with my two N-MOSFETs driven by digital logic. Digital logic is supplied from same antenna circuit...
Is there a way to use two different Xtal oscillators and keep the the same phase of external signal (CPFSK)? Signals from two Xtals almost all the time will have different values, and switching between them will change phase of signal, or am I wrong?
Proper circut for 5MHz FSK modulation.
Hello,
I have an issue with finding proper circuit/solution for FSK with continuous phase modulation with center frequency 5MHz (4,75MHz logic low and 5,25MHz logic high) . Most of VCO that I've found is working with frequencies 20MHz+. Oscillators like...
Hello,
I have application with similar construction to RFID, however I'm not sure if my calculations are correct. This is crucial for my project because it's supose to by my power supply.
I'm trying to calculate what voltage and current would be inducted in rectangle antenna by magnetic flux at...
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