A design structure for a loop filter in a phase lock loop circuit comprising a reference precision resistor, a first and second FET, wherein the gate of {TAIL ~ the first FET} is tied to the gate of {HEAD ~ the second FET}, and a filter capacitor connected to the first FET for producing a capacitor voltage 
A design structure for a loop filter in a phase lock loop circuit comprising a reference precision resistor , a first and second FET , wherein the gate of { TAIL ~ the first FET } is tied to the gate of { HEAD ~ the second FET } , and a filter capacitor connected to the first FET for producing a capacitor voltage
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