An Adaptive Amplifier System for Wireless Sensor Network Applications

Table 2

Resistor-matrix test results.

Test condition	PGA1 Vref (𝑉DD units)	PGA2 Vref (𝑉DD units)	PGA3 Vref (𝑉DD units)	PGA4 Vref (𝑉DD units)
1	0.0199	0.0215	0.0223	0.0211
2	0.0407	0.0423	0.0430	0.0411
3	0.0615	0.0634	0.0641	0.0604
4	0.1238	0.1258	0.1267	0.1255
5	0.1861	0.1882	0.1893	0.1867
6	0.2488	0.2508	0.2520	0.2499
7	0.3114	0.3132	0.3143	0.3125
8	0.3741	0.3756	0.3767	0.3742
9	0.4366	0.4380	0.4391	0.4373
10	0.4992	0.5006	0.5012	0.4993
11	0.5617	0.5633	0.5636	0.5634
12	0.6239	0.6254	0.6257	0.6253
13	0.6867	0.6880	0.6881	0.6860
14	0.7492	0.7504	0.7505	0.7504
15	0.8120	0.8131	0.8129	0.8120
16	0.8745	0.8752	0.8750	0.8745
17	0.9370	0.9376	0.9374	0.9376
18	1.0000	1.0000	1.0000	1.0000