E1 Experiment 5

Experiment No. (6) Darlington Pair Circuit

3. For the fixed bias configuration shown in the figure B below, determine the following parameters: [3] a. Ic b. Vce c. Rb d. Rc 12 V Re Vc =6 V Ver B= 80 Ig= 40 uA FIGURE B

power electronics 5- For a DC-DC Converter; The input voltage of the circuit is 12 V, the switching frequency is 1 KHz, the output voltage is 48 V  and the output power is 24W. In which options are the smallest coil value required for the coil current to be continuous and the smallest capacitance value that will ensure that the output voltage ratio is less than 62% for this value ? c means The question cannot be solved due to lack of data.

based on your understanding on amplifiers and Oscillator, explain the operation of Hartley Oscillator, principle of operation and highlight the main applications. (write short note 80 words). For the given circuit in figure 6, how the effect would be occur on the frequency of oscillation, If the L1 decrease to 1*10-3 H (show your calculation and explain your answer how is effect to the working of the circuit).

The output is out-of-phase with the input in   a. a common emitter circuit b. a common base circuit c. a common collector circuit d. more than one of the above

c. For the circuit shown in Figure, determine lc and VCB. Assume the transistor to be made of Silicon. Ic RE=1.6 kn Rc=1.1 kn EE=8 V Vcc= 20 v

Example 1: For the circuit shown in Figure 4 (i) Draw the DC load line (ii) Calculate the Q point if the zero signal base current is 50 µA and a-0.975. IB VCE LR1 22.5ka No Signal VBB Vcc D 10 V Figure 4

signal system subject  use intergration and prove it with graph

Please answer with details on how to do it. Thank you

Electronics-Problems Problem-1 Determine /c(sat) for the transistor in Figure below. What is the value of /e necessary to produce saturation? What minimum value of VIN is necessary for saturation? Assume V CE(sat) = OV. VINO RB 1.0 MO +5 V 2 10 kn BDC = 150

Question-4: Design a positive biased limiter circuit (use silicon or germanium diode) that limit the output waveform at 6.3 V.

Q: A- For the transistor circuit shown in figure bellow 20v Determine: 1-lalek and Ver- 2- Sketch the load line (Q-point) of the transistor. 2470 a 270 La B-125 I O o D

In the QPSK modulator in the figure shown, the reference oscillator (as can be seen in the figure) is sinwct. Change the reference oscillator to coswct and plot the new constellation diagram

analogue electronic

The Power Electronics module, AC voltage controller converters AC Power to a variable frequency AC keeping voltage constant AC Power from frequency of one value to another value AC power to DC power O AC Power to a variable AC voltage keeping frequency constant

Ex. 1629. In Figure 1629 assume beta for all traces is 160. For the trace number 1, counted from the bottom, determine the base curent (uA) and collector current (mA). Base current is given in the legend. Calculate collector current using beta. ans:2

Based on your understanding on amplifiers and Oscillator, explain the operation of Hartley Oscillator, principle of operation and highlight the main applications. (write short note 80 words)   b. For the given circuit in figure 6, determine the upper and lower frequencies of oscillation and also the Hartley oscillators bandwidth.   Figure 6

Please solve it.

Vec +12V Re 1kS2 Re 470k2 BC107 Vc Ve Figure 3: Practical Fixed Bias Transistor Circuit 2. Measure the DC voltages Vc and VB using digital multi-meters. Determine the quiescent base current, collector current, and collector- emitter voltage.

Write the expression for the output voltage of a balanced modulator

what is darlington pair

From the circuit below, determine the output peak voltage Vm ? Np:Ns 6:1 Vp 120 Vac out 60 Hz DA R = 200 2 O Ovpeak O 169.71Vpeak O 28.28Vpeak O 1018.23Vpeak

A signal generator having a source resistance of 50 2 is set to generate a 1 kHz sinewave. Open circuit terminal voltage is 10 V peak-to-peak. Connecting a capacitor. across the terminals reduces the voltage to 8 V peak-to-peak. The value of this capacitor is -HF. (Round off to 2 decimal places).

5. What is the approximate frequency of the modulating signal having a bandwidth of 15 kHz and a frequency deviation of 6 kHz?

Based on your understanding on amplifiers and Oscillator, explain the operation of Colpitt’s Oscillator and highlight the main applications. (short note 80 words).

what is the construction and working principle of electronics amplifiers

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Fill in the following blanks 1- for normal operation of a PNP , the base must be -------- with respect to emitter , and -------- with respect to the collector .

Q-1-a) From the circuit in the Figure-1, determine the DC-bias operation Parameters: (i) IB (ii) Ic (iii) le (iv) VBE (v) VB (vi) Vc (vii) VCE (viii) Ve (Figure-1) Re RB= 380kN,Rc= 1kN B = 100, VBB = Vcc=12V RB ВЕ BB Q-1-b) Describe briefly the input / output characteristics and application of Common Emitter BJT Configuration ww

pls i need the answer immediately  14