A Low Power Voltage Controlled Oscillator Design

A Low Power Low Phase Noise Lc Voltage- Controlled Oscillator

A low phase noise CMOS complementary cross-coupled LC-tank voltage-controlled oscillator (VCO), implemented with TSMC 0.18μm 1P6M CMOS technology, is presented. Double pair pseudoresistance transistors biased by the tapped center of the inductor are utilized to reduce the DC bias current. The circuit consumes 1.55 mA from a 1.5 V supply voltage which saves up to 52.4% power, compared with the c...

Low Power Voltage Controlled And Temperature Compensated CMOS Ring Oscillator

This paper presents a CMOS voltage controlled ring oscillator (VCO) with temperature compensation circuit suitable for low-cost and low-power MEMS gas sensor. This compensated ring oscillator is dedicated to Chopper Stabilized CMOS Amplifier (CHS-A). To operate at low frequency, a control voltage generated by a CMOS bandgap reference (BGR) is described and the measurement results of the fabrica...

LOW-POWER 2.4/5.15-GHz DUAL-BAND VOLTAGE-CONTROLLED OSCILLATOR

We proposed a 2.4/5.15 GHz dual-band voltagecontrolled oscillator which consists of a voltage-controlled oscillator and an injection-locked oscillator. Its upper and lower band frequencies are 4.48 5.86 GHz and 2.24 2.93 GHz, respectively. With the power consumption of 3.2 mW, their phase noises are 115 and 121 dBc/Hz at 1 MHz offset. VC 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 5...

A Low- Voltage Current-Controlled Oscillator

A new current-controlled oscillator (CCO) is presented which is suitable for use in low-voltage and lowpower designs. These features, and the low supply dependence of this CCO all stem from using a regenerative mechanism in its primitive delay cells. The circuit is designed and simulated in a 0.8um BiCMOS technology.

Low Phase Noise Voltage - Controlled Oscillator