Q6) Determine the voltage gain and power gain of the Class A power amplifier in the following figure: Assume ?ac = 200 for all transistor.
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- The supply voltage (Vec) is +12V. - The collector resistor (Rc) is 56Ω. - The emitter resistor (RJ) is 5.6Ω. - The coupling capacitor (022F) is 1.0F, which is large enough to be considered as a short circuit for AC analysis. - The resistance in the amplifier Show more…
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4. (a) Determine the input and output impedances of the amplifier in Figure 2. The op-amp datasheet gives ZiN = 1.2 MQ, Zour = 120 0,and AoL 50,000. (b) Find the closed-loop voltage gain: 0 V vl Ry 240 kn R; 10 kn Figure 2
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The amplifier shown in Fig 2 has an output power Pout = 100mW. The voltage gain Ay in dB is approximately equal to: Fig 2 54 dB 10 dB 500 dB
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