|
|
|
|
1a |
|
3a |
|
|
|
1b |
3b |
|
|
|
|
1c |
3c |
|
|
|
|
2a |
4a |
|
|
|
|
2b |
4b |
|
|
|
|
2c |
4c |
|
|
|
|
|
VGS |
|
