Consider the following as representations of reciprocity in terms of different two port network parameters:
1. Z parameters: z12 = z21
2. Y parameters: y12 = -y21
3. T parameters: A = D
4. H parameters: h12 = h21
Which of the above representation(s) is/are true?1
1, 2, 3 and 4
2
2 and 4
3
Only 1
4
1 and 3