Integrated Front-end Receiver
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Members: Members: Advisor: Advisor: Yuriy Miroshnichenko Yuriy Miroshnichenko Dr. Dr. Thomas Weller Thomas Weller Peter Kowalik Peter Kowalik
description
Integrated Front-end Receiver. Satellite Digital Audio Radio Service (SDARS) Team: Wireless Moguls. Members:Advisor: Yuriy Miroshnichenko Dr. Thomas Weller Peter Kowalik. Functional Description. T - DARS Terrestrial Repeaters S - Satellite DARS Bands - PowerPoint PPT Presentation
Transcript of Integrated Front-end Receiver
Members:Members: Advisor: Advisor: Yuriy MiroshnichenkoYuriy Miroshnichenko Dr. Dr.
Thomas Weller Thomas Weller
Peter KowalikPeter Kowalik
Functional DescriptionFunctional Description ProjectProject: To design, fabricate, test, and measure : To design, fabricate, test, and measure
of an integrated front-end receiver for the of an integrated front-end receiver for the Satellite Digital Audio Radio Service. Satellite Digital Audio Radio Service.
GoalGoal: : To receive the SDARS low-power satellite signals To receive the SDARS low-power satellite signals as well as terrestrial signals utilizing multiple components, as well as terrestrial signals utilizing multiple components, and test the receiver by using a tuner currently available and test the receiver by using a tuner currently available in the market.in the market.
T - DARS Terrestrial T - DARS Terrestrial RepeatersRepeaters S - Satellite DARS BandsS - Satellite DARS Bands Operated by XM Operated by XM Radio & SiriusRadio & Sirius 2.3-GHz S Band: 2320 to 2.3-GHz S Band: 2320 to 2345 MHz2345 MHz Channel Bandwidth 12.5 Channel Bandwidth 12.5 MHzMHz
Frequency (MHz)Frequency (MHz)
System Block DiagramSystem Block Diagram
Active Active AntennaAntenna
SDARSSDARSInput Input SignalSignal
Passive Antenna Element Passive Antenna Element
RequirementsRequirements Left hand circular Left hand circular
polarization (LHCP)polarization (LHCP) Unity gain or better Unity gain or better
Proposed design:Proposed design:
Turnstile antenna Turnstile antenna
Radiations Pattern Radiations Pattern
Low Noise Amplifier Low Noise Amplifier (LNA) (LNA)
RequirementsRequirements Low noise Low noise
figure less figure less then 1dB then 1dB Typical.Typical.
5V input 5V input Voltage Voltage
30mA max 30mA max current current
Proposed design Proposed design
Bandpass Filter Bandpass Filter
RequirementsRequirements High out of High out of
band band rejection rejection
Low insertion Low insertion loss less then loss less then 2dB2dB
Filter Connection Schematic Filter Connection Schematic
2300.0 1.52 20.042300.0 1.52 20.042340.0 1.48 20.322340.0 1.48 20.32
Freq (MHz) Insertion Return Freq (MHz) Insertion Return lossloss
SpecificationsSpecifications
Current Progress StatusCurrent Progress Status
Q & A Q & A
