TSP #227 - A 30GHz Static Frequency Divider from Fraunhofer Tutorial, Teardown & Characterization
In this episode Shahriar presents a deep dive into mm-Wave frequency divider; in particular static frequency dividers. These blocks are ubiquities in nearly every modern integrated circuits. The principle operation, circuit topologies and limitations are presented with several publications as examples.
The 30GHz static divider is then characterized extensively in both time domain and frequency domain. The measurements includes self-oscillation frequency, output waveform shape, input/output phase-noise relationship and the impact of temperature on self-oscillation frequency.
A detailed module teardown is also presented with focus on packaging techniques as well as closeup of the die. The integrated circuit is analyzed and the relationship between the schematic and layout is established.
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