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BACKGROUND OF THE INVENTION
Electronic devices such as RF (Radio Frequency) receivers, transmitters and various other devices include a VCO operating within a PLL (Phase Locked Loop) to maintain a desired oscillation frequency.
It is conventional practice to tune a VCO to a particular initial frequency before it leaves its factory. This is typically accomplished by using factory equipment to measure the frequency of the VCO while it is free-running (i.e., the PLL is opened),
ilovebow said:Anyone give some explaination.
Thanks .