UWB Mixer improvement with Regulated Voltage Source
Publish Year: 1393
Type: Journal paper
Language: English
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Document National Code:
JR_JECEI-2-2_006
Index date: 6 December 2015
UWB Mixer improvement with Regulated Voltage Source abstract
This paper presents a design of an UWB downconversion integratedCMOS resistive ring mixer with Linear Voltage Regulator (LVR), to supplyrequired biasing voltages for the mixer section. The designed mixercircuit has been optimized for using in heart rate extraction system withmicrowave Doppler radar at 2.4GHz frequency. This mixer needs 2 DCbias voltages equal to 0.5 and 1 volts for its best operation. The designedLVR circuit would supply needed bias voltages. This mixer is called UWBand the changes in its necessary bias voltages would result in its weakoperation. The design has been implemented in TSMC 0.18μm CMOStechnology and simulated by Advanced Design System (ADS) software.Simulation results indicate good operation of regulator and mixer outputduring input changes.
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UWB Mixer improvement with Regulated Voltage Source authors
Babak Shojaei Tabatabaei
Faculty of Electrical Engineering, Shahid Rajaee Teacher Training University, Tehran, Iran
Parviz Amiri
Faculty of Electrical Engineering, Shahid Rajaee Teacher Training University, Tehran, Iran