In this article, I describe 5 of the most popular SDRs available for RF experimentation today. As a 6th member
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Tag: Frontend
Direct Conversion (Zero-IF) Receiver
The frontend of the transceiver plays a crucial role in determining the ultimate system performance. In a previous article, we
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Cascaded Integrator Comb (CIC) Filters – A Staircase of DSP
In olden days, people used to have lots of kids. A famous Urdu satirist once wrote: "It has been observed
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The Heterodyne Principle and the Superheterodyne Receiver
During World War I, Edwin Howard Armstrong invented the superheterodyne Rx as an alternative to the Tuned Radio Frequency (TRF)
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Spectral Shift without any Multiplications
One of the great advantages of Digital Signal Processing (DSP) is an unexpected simplification of operations in seemingly complicated scenarios.
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