Design of LC-VCO for low power narrowband electronic applications
Abstract:
A low power, low phase-noise Inductance Capacitance voltage controlled
oscillator (LC-VCO) is demonstrated on 180 nm CMOS Technology node.
By using external current biasing it is not feasible to obtain low power
and noise characteristic simultaneously. Therefore, low power and low phase
noise characteristics are achieved by using the current mirror is being used.
Also to reduce the power modifications is being done in the traditional LC-VCO structure.
The VCO designed is operating at 12.5 GHz with tuning range of 7.75% which will useful for
wireless narrowband applications. The phase noise attained is -117 dBc/Hz at 1 kHz offset
from 12.5 GHz oscillation frequency. The power dissipation is 0.1114 mW for 1.8 V supply
voltage. The figure of merit for this LC-VCO is nearly 175. The present oscillator is the
best amongst the various CMOS oscillators referred to from literature in terms of the power dissipation.
INTRODUCTION
According to recent developments in the design of radio frequency (RF) front-end modules
is implementation of low power, low phase noise voltage controlled oscillators (VCOs).
So it is said that there is immense scope of research for design of LC-VCO [1]–[3].
Long has used NMOS as a biasing current source to design 2.4GHz Low-Power Low-Phase VCO [4].
Bond wire inductor is being utilized by Ahrens and Lee for a 1.4GHz, 3mW CMOS LC low phase noise
VCO [5]. Ham and Hajimiri, proposed an optimized LC-VCO with just 2GHz oscillating frequency [6].
5.8 GHz fully integrated low power, low phase noise designed by Bhattacharjee et al [7].
Song and Yoon demonstrated a 1-V 5 GHz Low Phase Noise LC-VCO by Using Voltage-Dividing
and Bias-Level Shifting Technique [8]. Moon et al used a Small VCO-Gain Variation to design
4.39–5.26 GHz LC-Voltage-Controlled Oscillator [9]. Very recently Issa et al demonstrated
Graphical Optimization and optimized a 4GHz CMOS LC-VCO [10]. But all above LC-VCO dissipates
the power in some mill-watts. Our work would be to reduce the power as below as possible.
As if it results in the lower tuning range also it will particularly useful for the low power
applications as well as the cellphone industrial applications.
Details @ https://ieeexplore.ieee.org/document/5940827/
Published in: 2011 2nd International Conference on Wireless Communication, Vehicular Technology,
Information Theory and Aerospace & Electronic Systems Technology (Wireless VITAE)
Date of Conference: 28 Feb.-3 March 2011
Date Added to IEEE Xplore: 05 July 2011
ISBN Information:
INSPEC Accession Number: 12094491
DOI: 10.1109/WIRELESSVITAE.2011.5940827
Publisher: IEEE
Design of LC-VCO for low power narrowband electronic applications
Abstract:
A low power, low phase-noise Inductance Capacitance voltage controlled
oscillator (LC-VCO) is demonstrated on 180 nm CMOS Technology node.
By using external current biasing it is not feasible to obtain low power
and noise characteristic simultaneously. Therefore, low power and low phase
noise characteristics are achieved by using the current mirror is being used.
Also to reduce the power modifications is being done in the traditional LC-VCO structure.
The VCO designed is operating at 12.5 GHz with tuning range of 7.75% which will useful for
wireless narrowband applications. The phase noise attained is -117 dBc/Hz at 1 kHz offset
from 12.5 GHz oscillation frequency. The power dissipation is 0.1114 mW for 1.8 V supply
voltage. The figure of merit for this LC-VCO is nearly 175. The present oscillator is the
best amongst the various CMOS oscillators referred to from literature in terms of the power dissipation.
INTRODUCTION
According to recent developments in the design of radio frequency (RF) front-end modules
is implementation of low power, low phase noise voltage controlled oscillators (VCOs).
So it is said that there is immense scope of research for design of LC-VCO [1]–[3].
Long has used NMOS as a biasing current source to design 2.4GHz Low-Power Low-Phase VCO [4].
Bond wire inductor is being utilized by Ahrens and Lee for a 1.4GHz, 3mW CMOS LC low phase noise
VCO [5]. Ham and Hajimiri, proposed an optimized LC-VCO with just 2GHz oscillating frequency [6].
5.8 GHz fully integrated low power, low phase noise designed by Bhattacharjee et al [7].
Song and Yoon demonstrated a 1-V 5 GHz Low Phase Noise LC-VCO by Using Voltage-Dividing
and Bias-Level Shifting Technique [8]. Moon et al used a Small VCO-Gain Variation to design
4.39–5.26 GHz LC-Voltage-Controlled Oscillator [9]. Very recently Issa et al demonstrated
Graphical Optimization and optimized a 4GHz CMOS LC-VCO [10]. But all above LC-VCO dissipates
the power in some mill-watts. Our work would be to reduce the power as below as possible.
As if it results in the lower tuning range also it will particularly useful for the low power
applications as well as the cellphone industrial applications.
Details @ https://ieeexplore.ieee.org/document/5940827/
Published in: 2011 2nd International Conference on Wireless Communication, Vehicular Technology,
Information Theory and Aerospace & Electronic Systems Technology (Wireless VITAE)
Date of Conference: 28 Feb.-3 March 2011
Date Added to IEEE Xplore: 05 July 2011
ISBN Information:
INSPEC Accession Number: 12094491
DOI: 10.1109/WIRELESSVITAE.2011.5940827
Publisher: IEEE
Abstract:
A low power, low phase-noise Inductance Capacitance voltage controlled
oscillator (LC-VCO) is demonstrated on 180 nm CMOS Technology node.
By using external current biasing it is not feasible to obtain low power
and noise characteristic simultaneously. Therefore, low power and low phase
noise characteristics are achieved by using the current mirror is being used.
Also to reduce the power modifications is being done in the traditional LC-VCO structure.
The VCO designed is operating at 12.5 GHz with tuning range of 7.75% which will useful for
wireless narrowband applications. The phase noise attained is -117 dBc/Hz at 1 kHz offset
from 12.5 GHz oscillation frequency. The power dissipation is 0.1114 mW for 1.8 V supply
voltage. The figure of merit for this LC-VCO is nearly 175. The present oscillator is the
best amongst the various CMOS oscillators referred to from literature in terms of the power dissipation.
INTRODUCTION
According to recent developments in the design of radio frequency (RF) front-end modules
is implementation of low power, low phase noise voltage controlled oscillators (VCOs).
So it is said that there is immense scope of research for design of LC-VCO [1]–[3].
Long has used NMOS as a biasing current source to design 2.4GHz Low-Power Low-Phase VCO [4].
Bond wire inductor is being utilized by Ahrens and Lee for a 1.4GHz, 3mW CMOS LC low phase noise
VCO [5]. Ham and Hajimiri, proposed an optimized LC-VCO with just 2GHz oscillating frequency [6].
5.8 GHz fully integrated low power, low phase noise designed by Bhattacharjee et al [7].
Song and Yoon demonstrated a 1-V 5 GHz Low Phase Noise LC-VCO by Using Voltage-Dividing
and Bias-Level Shifting Technique [8]. Moon et al used a Small VCO-Gain Variation to design
4.39–5.26 GHz LC-Voltage-Controlled Oscillator [9]. Very recently Issa et al demonstrated
Graphical Optimization and optimized a 4GHz CMOS LC-VCO [10]. But all above LC-VCO dissipates
the power in some mill-watts. Our work would be to reduce the power as below as possible.
As if it results in the lower tuning range also it will particularly useful for the low power
applications as well as the cellphone industrial applications.
Details @ https://ieeexplore.ieee.org/document/5940827/
Published in: 2011 2nd International Conference on Wireless Communication, Vehicular Technology,
Information Theory and Aerospace & Electronic Systems Technology (Wireless VITAE)
Date of Conference: 28 Feb.-3 March 2011
Date Added to IEEE Xplore: 05 July 2011
ISBN Information:
INSPEC Accession Number: 12094491
DOI: 10.1109/WIRELESSVITAE.2011.5940827
Publisher: IEEE
