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 |