Assume a two port network with Zo source impedance which has ideal S-parameters: S11, S12, S21, and S22. If Port #2 has a (i) Load, ZL, (ii) Open circuit and (iii) Short circuit, derive new S11-parameter values for these three cases.
*RF system
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Assume a two port network with Zo source impedance which has ideal S-parameters: S11, S12, S21,...
Question #1 (15 Points) A silicon bipolar junction transistor has the following scattering parameters at 800 MHz, with a 100Ω reference impedance: S11-0.25ム100°; S12-0.20し540; s21-2.5し80°; $22 = 0.40 <-450. The source impedance is Z,-50Ω and the load impedance is ZL-25Ω. Compute the (i) power gain, and (ii) the available power gain Solution Question #1 (15 Points) A silicon bipolar junction transistor has the following scattering parameters at 800 MHz, with a 100Ω reference impedance: S11-0.25ム100°; S12-0.20し540; s21-2.5し80°; $22 = 0.40
Questions and answers are here, need solution process. 3. a) For the circuit shown in Figure Q3 (a): i) Find the mathematical expression for the transient behaviour of the voltage 6 vc across the capacitor and the current ic when the switch is moved into position 1 at t- 0 s ii) Find the mathematical expression for the response of vc and ic if the switch 4 is moved into position 2 at t charging phase) τ (where τ is...
Vsig = 36 V Rsig = 25 kOhms RL = 8 Ohms Amplifier2Speaker sig Rsig sig 7 Y K Vout kis on Vost peut & Given: 1. The 1-port defined by the dashed box represents an audio amplifier with an attached loudspeaker. The parameters Vsig and Rig are fixed (given in the parameter file) with non-zero values. The two dependent sources constitute a model for a device called an Ideal Transformer, which you will learn more about in ECE 2020...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os, is so large it may be neglected. 0) Calculate the open circuit voltage gain Av Yout/ Vis. i) The amplifier has a load of 10 k2. Determine the current gain Va. = 12 V 150k 4k3 Vout Vin 200k GND = 0 V Figure 4b a) State the name...