〰️ Signal Processing
Signal Processing
Digital signal processing, FPGA implementation, digital beamforming, modulation schemes, software-defined radio, and spectral analysis.
Topics:
DSP Fundamentals
FPGA Design
SDR
Modulation
Beamforming Algorithms
Spectral Analysis
Articles
Signal Processing
Phase Noise / Oscillators
Phase Noise in Microwave Oscillators: Measurement, Sources, and System Impact
Leeson's equation, noise sources, measurement methodology, and impact on radar and 5G communications.
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PLL / Frequency Synthesis
Frequency Synthesis for mmWave: PLL Architectures and Phase Noise Trade-offs
Integer-N vs fractional-N, VCO selection, frequency multiplication penalties, and waveguide integration.
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SDR / RF Architecture
Software-Defined Radio Architecture: From RF Front End to Digital Baseband
A technical breakdown of SDR signal chains covering RF front-end design, ADC selection, FPGA-based digital processing, and practical implementation.
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DPD / PA Linearization
Digital Predistortion for RF Power Amplifiers
PA nonlinearity, AM-AM/AM-PM distortion, memory effects, DPD algorithms, and FPGA implementation for GaN linearization.
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Beamforming / STAP / Nulling
Digital Beamforming: From Element-Level ADCs to Adaptive Nulling
Element-level digitization, beam synthesis, adaptive nulling, STAP, and the hardware behind digital phased arrays.
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