Texas Instruments asks you to build an amplifier circuit. The requested amplifier must have a
high value of CMRR, which is why it is requested that the differential stage be a differential amplifier
with power source, see figure 1. Use transistor LM3046.
Texas Instruments asks you to build an amplifier circuit. The requested amplifier must have a high...
For the differential amplifier shown in Figure (2),assume \(\mathrm{VCC}=12 \mathrm{~V}, \mathrm{VEE}=-12 \mathrm{~V}, \mathrm{Rc}=2 \mathrm{k} \Omega\), and \(\beta=100\) for all transistors.For the current source circuit (Transistor \(\left.Q_{3}\right): R_{1}=4 k \Omega, R_{2}=4 k \Omega, R_{3}=3 \mathrm{k} \Omega\), and \(r_{0}=100 \mathrm{k} \Omega\).a) In differential amplifier circuits, what do "well-matched transistors" mean?b) Why it is important to use well-matched transistors in differential amplifier circuits?c) What are the operating \(Q\) point values \(\left(I_{c Q}\right.\) and \(\left.V_{C Q}\right)\) for the transistors \(Q_{1}\) and \(Q_{2}\) ?d) Draw...
The 1 mA. V, ls -VE -15 15 V, in the following differential amplifier circuit, Vcc parameters are given as β, 100, VBE# 0.7 V, pr-25 mV, K.-100 V. transistor Rc-10 kΩ For: RE-150 Ω Rc Rc REE-200 kΩ a) What is the input differential resistance, Rid b) What is the overall voltage gain vV? You c) What is input common mode resistance, d) What is the worst case common mode gain that appear across the two input terminals? (4...
Given below is a differential operational amplifier in block form and its internal transistor circuit with VCC=20V, VEE= 12 V , RC=5kΩ,RE=1kΩ and R1=2kΩ. Assume that the transistors are identical and have a βac=βdc=100. An ac signal Vi(t)=5sin(10t) is applied to the input terminals where Terminal 1 is Positive (non-invertinq) & Terminal 2 is negative (inverting) as stated in the cases below. Draw the output signals in each case. : a) V1=Vi(t) , V2=Grounded. Vo(t)=Vo2-Vo1 ) b) V1=Grounded , V2=Vi(t)....
All transistors in the circuit below are identical. Transistor parameters are hFE=hfe=β= 200, IS=10 fA and VT = 26 mV. a. Obtain the differential mode gain equation: Add=(V01-V02)/(V1-V2). b. VDD=5V, -VSS=-5V, IB=2mA, RC=2kΩ and RL=3kΩ. Calculate the differential mode gain (Add) of the circuit. c. How do you connect a common emitter stage to one of the outputs of the circuit? Please draw on the circuit. +VDD Rc 3 Rc Voi VO2 w R Vi V2 IB -Vss
For the differential amplifier shown in Figure 6: Assume well-matched transistors and = 100 for all transistors: a) Why it is important to use well-matched transistors in differential amplifier circuits? What is the potential influence of mismatched transistors on the performance of the differential amplifier? b) Determine the resistor values (R1, R2 and R3) such that the emitter coupled current IE = 0.5 mA and VC1 = 3 V. c) Draw the ac equivalent circuit for the single ended...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
can you do 4.83 Ar- Q Sea 100 V, what does the gain become? age at the collector. (b) Replacing the transistor by its T model, da the small-signal equivalent circuit of the a plifier. Analyze the resulting circuit to dete mine the voltage gain t/ 04.81 Consider the CE amplifier circuit of Fig. 4.43(a). It is required to design the circuit (i.e., find values for I and Rc) to meet the following specifications: (a) R,5kn (b) the voltage gain...
Laboratory 2: Transistor circuit characteristics A. Objectives: 1. To study the basic characteristics of a transistor circuit. 2. To study the bias circuit of a transistor circuit. B. Apparatus: 1. DC Power supply 2. Experimental boards and corresponding components 3. Electronic calculator (prepared by students) 4. Digital camera (prepared by students for photo taking of the experimental results) 5. Laptop computer with the software PicoScope 6 and Microsoft Word installed. 6. PicoScope PC Oscilloscope and its accessories. 7. Digital multi-meter....
3.1. For the BJT differential pair configuration shown below, assume the input transistor beta is very large. Then find the differential signal vd = vB1 − vB2 sufficient to cause: 3.2. A differential amplifier resembling that below uses I = 200μA, RC = 10kohm and VCC = 3V. Assume beta is very large 3.4.For the emitter follower in the figure below, given VCC = 15 V, VEE = −15 V, RL = 1 kohm and beta = 100 for all...
In the amplifier circuit below, the transistor has the following properties:Vt =1.5V,k’n=100 microA/V2,W=2 micro m ,L=0.2 micro m, lambda = 0V^-1 a. Find the dc values VG, VD, and VS. b. Verify (prove) that the circuit is in the proper region of operation for an amplifier c. Find the transconductance value, gm d. Draw the equivalent small-signal circuit model, replacing the NMOS with its pi-model e. Draw the equivalent small-signal circuit model, replacing the NMOS with its T-model f. Calculate...