A bipolar transistor has parameters
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MICROELECT. CIRCUIT ANALYSIS&DESIGN (LL)
- Discussion: 1. If the (volt/DIV) =5 and the input (20v) plot and discus the result. 2. If the (time /DIV) =1usec and the input frequency is (100KHZ, IMHZ, 10MHZ) plot and discus the result. 3. If the (volt/DIV) =2 and (time/DIV) =0.2msec and the input (4v peak with f= 5KHZ) plot the result. 470 Q Vị 1kn Figure.4 1k0 VI 0.1pf Figure.5arrow_forwardIf the frequency that is injected into an AM modulator is 100Mhz and it is combined with another injected signal of 10Khz, we can say that the combination is:arrow_forwardsupply is Vcc=40V and the input voltage to the base circuit is VB=6V. If VCE(sat)=1.2V, VBE(sat)=1.6V and Rg=0.70, then the forced B would be: The beta B of a bipolar transistor shown below varies from 12 to 75. The load resistance is Rc=1.20. The DC Ic Vcc Rg IB VCE VB V BE Select one: O a. 5.14 Ob. 2.14 O c. 4,14 O d. 3.14arrow_forward
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- Assignment-1 Q1. The output characteristic of a typical transistor is shown below, where the quiescent point is selected on it. This transistor is used in the bias circuit presented below. Find the suitable values of Rg and Rc to fix the Q-point of the circuit properly. +Vcc = 12 V 12- Ia = 70 uA 10- Is 60 uA Ta=50 A 8- Rc 6. la= 40 uA 4. Is = 30 uA 2- Is = 20 uA B = 100 VBE = 0.7 V -2- 6 8 10 12 14 16 VCE (V) toarrow_forwardDesign (only the block diagram) an Armstrong indirectly FM modulator to generate an FM carrier with a carrier frequency of 98.1MHz and df (frequency deviation) =75kHz.A narrowband FM generator is available at a carrier frequency of 100 KHz and a (frequency deviation) df=10Hz.The stockroom has an oscillator with an adjustable frequency in the range of 10 to 11MHz.There are plenty of Frequency multipliers.arrow_forwardModify this circuit to extend the upper frequency limit to greater than 15 MHz. You may change the topology (i.e. configuration), but not the power supply voltage or collector bias current. The circuit voltage gain must be 46dB +/- 1 dB. Provide simulation results to show AC frequency responses of both circuits on the same plot, and annotate the 3dB upper frequency limit on both traces. Use typical ẞ values from the data sheet for the simulation. You may assume that 1% resistors are available in values below 100. The circuit must adhere to Standard Bias techniques. V4 Rser=0 SINE(0 0.02 10k) AC 1 VCC ୯ V2 +15V Cin1 1μ -VCC VCC R4 Rc1 147k 7k Q3 2N3904 R7 R6 9.09 20.5k Ce1 Re1 1.00k 10p Outarrow_forward
- pls answer immdediately 36arrow_forwardGiven the figure below, sketch the spectrum for the half-wave rectified signal showing harmonics up to the 5th. Also show the voltage and frequency scale and indicate the voltage scale in peak voltage.arrow_forwardIn an Amplitude Modulator where the carrier and modulating signals are both sine waves, the frequency spectrum of the resulting AM signal is shown below. 12V 2V 2V kHz 803 808.6 a) Determine the equation of the modulating signal b) Calculate the bandwidth of the AM signal c) Calculate the effective current of the AM signal thru a 75-ohm load. d) Sketch the AM wave and label the maximum and minimum voltage of the signal.arrow_forward
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