Two Port Network - H and ABCD

If the Z parameters of a two-port network are Z₁₁= 5Ω; Z₂₂=7 Ω; Z₂₁=Z₁₂=3 Ω then the A, B, C and D parameters are respectively given by

• 5/3, 26/3, 1/3, 7/3

• 10/3, 52/3, 2/3, 14/3

• 15/3, 78/3, 3/3, 21/3

The h parameters h₁₁ and h₁₂ are obtained

• By shorting output terminals

• By opening input terminals

• By shorting input terminals

• By opening output terminals

The h-parameters h₁₁ and h₂₂ are related to z and y parameters as

• h₁₁ = z₁₁ and h₂₂= 1/z₂₂

• h₁₁ = z₁₁ and h₂₂=y₂₂

• h₁₁=Δz/z₂₂ and h₂₂=1/z₂₂

• h₁₁=1/y₁₁ and h₂₂=y₂₂

A two-port network satisfies the condition A=D=(3/2)B=(4/3)C. The z₁₁ of the network

• 5/3

• 4/3

• 2/3

• 1/3

An open circuit reverse voltage gain in h-parameters is a unitless quantity and generally equivalent to ________

• V₁ / I₁ (keeping V₂ = 0)

• I₂ / I₁ (keeping V₂ = 0)

• V₁ / V₂ (keeping I₁ = 0)

• I₂ / V₂ (keeping I₁ = 0)

For the circuit given in Fig 1, the values of the h parameter is given as follows h = [16, 3; -2, 0.01]. The value of the ratio V₂/V₁ is ______________

• 0.3299

• 0.8942

• 1.6

• 0.2941

The h parameters of the circuit shown in Fig. 2 is

• 
• 
• 
• 

For the circuit given Fig. 3, the value of the hybrid parameter h₂₂ is ___________

• 0.2 $\Omega$

• 0.5 $\Omega$

• 0.1 $\Omega$

• 0.3 $\Omega$

A 2-port network is shown in the Fig 4. The parameter h₂₁ for this network can be given by _______

• $-\frac{1}{2}$

• $\frac{1}{2}$

• $-\frac{3}{2}$

• $\frac{3}{2}$

3. If a two port network is passive or reciprocal, then with the usual notation, the following relationship

• h₁₂ = h₂₁

• h₁₂ = - h₂₁

• h₁₁ = h₂₂

• (a) h₁₁ h₂₂ - h₁₂ h₂₁ = 1