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A low-distortion oscillator is necessary for testing today'sADCs (analog-to-digital converters) that have resolution higher than 20 ...
To test the oscillator circuit, I formed a loop at the oscillator’s output that matched the loop at the end of the Lecher line. Part of that loop is a 6.8 Kohm resistor, there so that the ...
The oscillator uses an inverted Wien-bridge topology with amplitude stabilization through an LED-driven CdS (cadmium-sulfide) photocell isolator. Using SPICE simulations before building the circuit, ...
Using this Pierce-oscillator circuit, users can test and verify the basic operation of a crystal in parallel-resonance mode. It allows the user to calculate and set the critical external capacitor ...
The temperature-compensated crystal oscillator (TCXO) was designed to mitigate this problem by adding a temperature-sensitive reactance circuit in its oscillation loop, but the resulting level of ...