Filter Shape Factor and Selectivity

The Ideal Filter would have a unit gain (0dB) in its passband and a gain of zero (-infinity dB) in its stop band. Between the pass band and stop band, there would be no indecision and would transition from 0dB to -infinity dB asymptotically.

Crystal Filters, April 1969 Electronics World - RF Cafe

How to maximize your receiver's effective selectivity 1

Knowles Precision Devices on LinkedIn: What Are DC-Blocking Capacitors, and Why Are They Important?

Filter Shape Factor and Selectivity

Filter Shape Factor and Selectivity

Filter Design Part 2. Explain the Centre Frequency, Cutoff Freq & Selectivity Factor, Q of Filter.

Low Pass, High Pass and Band Pass Filters - Simple Explanation - RF Page

Resonant Filters, Filters

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