Repeat Problem 7 14 if a resistor of value 30 k Icirc copy is connected between collector and base of the transistor Data from Prob 7 14 The ac schematic of a common emitter stage is shown in Fig 7 2a Calculate the low frequency small signal voltage gain Iuml o Iuml i and use the zerovalue time constant method to estimate the 3 dB frequency for R S 10 k Icirc copy and R L 5 k Icirc copy Data Icirc sup2 200, f T 600 MHz (at I C 1mA), C Icirc frac14 0 2 pF, C je 2 pF, C cs 1 pF, r b 0, r o , and I C 1 mA Fig 7 2 a RL Rs V

Question: Repeat Problem 7.14 if a resistor of value 30 kÎ© is connected between collector and base of the transistor. Data from Prob. 7.14: The ac

Repeat Problem 7.14 if a resistor of value 30 kÎ© is connected between collector and base of the transistor.

Data from Prob. 7.14:

The ac schematic of a common-emitter stage is shown in Fig. 7.2a. Calculate the low-frequency small-signal voltage gain Ï…_o/Ï…_i and use the zerovalue time-constant method to estimate the ˆ’3-dB frequency for R_S = 10 kÎ© and R_L = 5 kÎ©. Data: Î² = 200, f_T = 600 MHz (at I_C = 1mA), C_Î¼ = 0.2 pF, C_je = 2 pF, C_cs = 1 pF, r_b = 0, r_o = ˆž, and I_C = 1 mA.

Fig. 7.2 a:

RL Rs Vị

RL Rs V

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