For the amplifier shown in figure 1, calculate the mid -band voltage gain, and the 3...
1) What is the gain at 100Hz for an amplifier that has a mid-band gain of 5000, a lower cutoff frequency of 10kHz, and a upper cutoff frequency of 200kHz 2)Calculate the decibel power gain for an Ap= 50? 3)If the decibel voltage gain of an amplifier is 60dB, what is the voltage gain (Av)? 4)If the decibel power gain of an amplifier is 20dB, what is the power gain (AP)? 5)For a two stage amplifier with AV1(DB) equal to...
1. If the voltage gain is 2000, the decibel voltage gain is a. 40 dB c. 66 dB b. 46 dB d. 86 dB 2. The input power to a device is 10.000 W. The output power is 500 W. The power gain (GdB) in decibels is a. -13 dB b. -26 dB c. 56 dB d. 18 dB 3. Which of the following is an advantage of using dB representations of gain values? (a) Positive and negative dB values...
7.23) For a BJT amplifier the gain bandwidth product (ft) is 400 MHz and the high cut-off frequency is 100 MHz, with a current gain of 100 a) Calculate the We value of this model. B) Using drawing method of the model find the possible values that determine wp by drawing the model. c) If 2 of this amplifier model were consecutively connected what is the total high cut-off frequency?
1. The following circuit shows a discrete common source MOSFET amplifier. The MOSFTE is n-channel MOSFET and early voltage (Va) is c. The transconductance of the amplifier (ga) is 3 mA/V The frequency responses of the amplifier are as follows i) The three low break frequencies f 3Hz (caused by C).fiz-S0Hz (caused by Cs). fs-10Hz (caused by Ca) ii) High 3 dB frequency. f-30kHz ii) The MOSFET unity gain frequency fr-100 MHz (a) Draw small signal equivalent circuit of the...
3) BJT Gain Stage 1 mA BJT Parameters β 100 nVr-30 mV 5V Vo 6meg c,,-8 pF Vi 500 27u Vs VB is an ideal dc voltage source a) What type of gain stage is realized by this BJT amplifier? b) Find a value for the input resistance Ri seen at node Vi. c) Find a value for the mid-band voltage gain Av-Vo/Vs. d) Determine the upper corner frequency fp2 imposed by the parasitic caps of the BJT
3) BJT...
Design a Delyiannis-Friend filter to satisfy the following specifications: Mid-band frequency fo = 100 kHz Mid-band voltage gain = 10 Pole Q = 4 Both capacitors should be 1 pF. Analyze your circuit for an ideal opamp, and with an opamp gain of 50 dB.
Design the source follower amplifier shown in Figure 1 to provide a midband gain of 0.5 and an upper 3 dB frequency of 1.5 MHz. Verify and compare the theoretical answer with the results produced by simulation using PSPICE A/D. Also, determine the lower 3 dB frequency of this amplifier. Rig C C2 sig Vo RG 200 kΩ s3.3 k Figure 1: Source Follower Amplifier
Design the source follower amplifier shown in Figure 1 to provide a midband gain of...
a The operational amplifier in Figure 3.a has a slew rate of 0.5V/us and a unity gain bandwid of 5 MHz. Determine () the voltage gain, and (ii) the maximum input frequency such that the output waveform is undistorted. with Vpeak 1V and frequency f. () Determine the cutoff frequency, (ii) plot, to scale, the you use this integrator if the input frequency is 30 KHz? Explain your answer. that any feedback resistance is fixed to 5k2. b. In the...
b) An amplifier has values of V = 24mV and Vout gain of the circuit 2V. Calculate the dB voltage (2 marks) c) For the circuit shown in Figure 11, calculate the lower critical frequency due to the output RC circuit. Vec +15 V R 3.9 LO C V. R. 0.33 uF 2N3904 600 n 0.1 F 5.6 k REI 33 0 R 22 k 50 mVpp 1.5 k 100 F (5 marks) Figure 11 12. a) Name the type...
9.38 Consider the circuit of Fig. 9.20 with Cc replaced a short circuit. Draw the magnitude Bode plot of the gain over the low- to midband-frequency range if 100. Figure 9.20 BJT circuit containing high- and low-frequency capacitors. VCC +12 V out 01 CL= 14 pF L F Source Amplifier Load (oscilloscope input)
9.38 Consider the circuit of Fig. 9.20 with Cc replaced a short circuit. Draw the magnitude Bode plot of the gain over the low- to midband-frequency range...