9780199339136, Chapter 1, Problem 12E

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Chapter 1, Problem 12E Step-by-step solution Step 10 Draw circuit Figure 10 Calculate the load Substitute for for R1 and for 10+10 Step 10 Calculate the voltage across the load, Substitute 0.99 for and for the voltage across the load, is Step 10 Calculate the Power level at the load, =10 pW the power level at the load, 10 pW Step 10 Transducer connected to load via buffer amplifier is interposed between source and load as shown Figure + + R R - Figure Step 10 Calculate the output voltage, R, Since Substitute for for and for R 10 10+10 =0.25 V the output voltage, 0.25 V Step 7 of 10 Calculate the output Power 10 =0.00625 the output power, is Step 10 Calculate the voltage gain from source to load 0.25 =0.25 Calculate the voltage gain (dB)= -12.04 Therefore the voltage gain from the source to -12.04 dB Step Calculate the power supplied by the source to load Step 10 Calculate the power gain P. 0.25x10 =43.98 Therefore, the power gain from the source to load, 44 dB