Did I draw this circuit correctly ?

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Hardik
Hardik on 23 Nov 2022
Edited: Voss on 23 Nov 2022

Answers (1)

Voss
Voss on 23 Nov 2022
Edited: Voss on 23 Nov 2022
The z^-2 should be z^-1 (all delay elements are unit delays), and the 0.48 should be -0.48 (coefficients from the denominator are negated on the feedback (left) side).
Also, the gain element at the top should be on the feedforward (right) side, but that doesn't matter in this case because it is unit gain (1).
Reference: https://www.sciencedirect.com/topics/engineering/digital-filter-transfer-function (See Figure 5.1. The direct-form structure.)

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