Embedded Meets RF Evan Lojewski. RF Primer Terminology / Intro RF Options Certification.
FiXtress Rf Circuits Calculations
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Transcript of FiXtress Rf Circuits Calculations
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BQR Reliability Engineering Ltd.
fiXtress RF
Calculations
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RF components Typesand inputs
RF component Types
Precise stress parameters for some component types
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Precise information:
Precise Library parameters
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Precise needed parameters
• Input data for RF connector: Power in, frequency and Vptp
• Output data for RF ICs (which are not part of the previous slide): power out and frequency
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Precise RF analysis
U64 output frequency is 2.4GhzThe impedance of C638(10uF) is Xz=1/WC= 1/(2*pi*2.4G)~=0 therefore the output current is high
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Precise RF analysis
Input power applied from connector J3 is 26.5 dBm (0.447W) per the received data from Customer:
The attenuation of AT3 is approximately 0dB, input power 0.447W is applied to coupler T2. The maximum Input power of the coupler is 0.25W per the data sheet: