The circuit in Figure 1 matches an antialiasing filter's cutoff frequency to an ADC's changing conversion rate. Two main design requirements are high efficiency and the ability to convert signals with ...
Analog variable frequency filters require the use of variable passive components. The higher the slope of the filter, the greater the number of needed variable passive components. These elements are ...
This amplifier-based IC implements dual low-pass filters with matched response at cutoff frequencies up to 10 MHz. To build active filters for high-frequency RF applications, designers may construct ...
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