Temperature and/or voltage independent voltage controlled oscillator with programmable gain and/or output frequency range

An apparatus comprising:

• means for generating a current control signal in response to (i) a voltage control signal and (ii) a plurality of range control signals;
• means for generating a current boost signal in response to a reference current signal and an enable signal;
• means for generating a first control signal and a second control signal in response to said current boost signal and said current control signal;
• and
• means for generating an output signal oscillating at a particular frequency in response to said first control signal and said second control signal.

A method for implementing a voltage controlled oscillator comprising the steps of:

• (A) implementing a transconductance control circuit configured to generate a current control signal in response to (i) a voltage control signal and (ii) a plurality of range control signals;
• (B) implementing a boost control circuit configured to generate a current boost signal in response to a reference current signal and an enable signal;
• (C) implementing a current computation circuit configured to generate a first control signal and a second control signal in response to said current boost signal and said current control signal;
• and
• (D) implementing an oscillator circuit configured to generate an output signal oscillating at a particular frequency in response to said first control signal and said second control signal.