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Table 1 The number of the most represented circuits required

From: An analog hardware solution for compressive sensing reconstruction using gradient-based method

 

Input signal circuits

Block 1

Block 2

Block 3

Block 4

Total

Amplifiers

  

N3 + N2 + 3N

2 N

N

N3 + N2 + 6N

Adders

  

2 N2 + 4 N

N + 3

N + 2

2 N2 + 6 N + 5

Absolute value circuits

  

2 N2

  

2 N2

Sample and hold amplifiers

N

N

2 N

1

N

5 N + 1

Switches

 

N + 2

4 N

N + 1

N + 3

7 N + 6

Multipliers/divisions

   

3 N + 4

2 N + 1

5 N + 5