Solved 5. The block diagram representation of an IIR filter | Chegg.com
2N2/6 Block Diagrams
File:Reflex receiver block diagram.svg - Wikipedia
T10V4-Example of IIR Filter Block Diagram, Zero/Pole Plot & Frequency Response Plot - YouTube
Note 49. Designing IIR Filters: Background and Options - Notes on Digital Signal Processing: Practical Recipes for Design, Analysis and Implementation [Book]
infinite impulse response - Draw a structure for IIR Filter given H(z) - Signal Processing Stack Exchange