CSE598A Analog Mixed Signal CMOS Chip Design FM Mixer CMOS Realization (Progress Presentation) Zhang Yi

CSE598A Analog Mixed Signal CMOS Chip Design Outline: Summary of Mixer Design Progress in Project Expectation

Mixer ‘s Function in RF system CSE598A Analog Mixed Signal CMOS Chip Design Mixer ‘s Function in RF system Down conversion in receiver Realize Gilbert Mixer by CMOS Technologies

Mixer ‘s Function in RF system CSE598A Analog Mixed Signal CMOS Chip Design Mixer ‘s Function in RF system Critical points of Mixer: Image Frequency Conversion Loss Noise Figure Intermodulation Distortion Port-to-Port Isolation

Realize Gilbert Mixer by CMOS Technologies CSE598A Analog Mixed Signal CMOS Chip Design Realize Gilbert Mixer by CMOS Technologies Intermodulation Distortion 1dB Compression point Critical points of Mixer: Image Frequency Conversion Loss Noise Figure Intermodulation Distortion Port-to-Port Isolation

Progress in Project

Progress in Project Schematic determined from calculation: Transistor size Rs and Rload RF and LO source

Progress in Project Simulation results:

Challenges Width Vs conversion gain IM3 point -overdrive voltage Vs power consumption Rs Vs linearity

Expectation Design criteria for the mixer Parameter Specification CSE598A Analog Mixed Signal CMOS Chip Design Expectation Design criteria for the mixer Parameter Specification Units Frequency 100 MHz Noise Figure (DSB) <10 dB IM3 Intercept Point (Input) >20 dBm Voltage Gain >8 Power consumption <100 ohms Source impedance 50 Load impedance 500 Voltage Supply 3.0 V Further modify the circuit to reach all design criteria