{HEAD ~ a second variable capacitor} coupled to the second DAC and the second buffer, the capacitance value of the second variable capacitor corresponding to {TAIL ~ the second control voltage} 
{ HEAD ~ a second variable capacitor } coupled to the second DAC and the second buffer , the capacitance value of the second variable capacitor corresponding to { TAIL ~ the second control voltage }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL