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two identical CE amplifiers are connected in cascade. The first stage is fed with a source eVsig having a resistance Rsig= 10k ohms. A load resistance Rl=10K ohms and is connected to the collector of the 2nd stage. Each BJT is biased at Ic= .25mA and has beta =100 and a very large Va. Each stage utilizes a collector resistance Rc=10K ohms. (a) Sketch the equivalent circuit of the two stage amplifier. (b) Calculate the voltage transmission from the signal source to the input of the first stage. (c) Calculate the voltage gain of thefirst stage, Av1. (d) Calculate the voltage gain of the second stage, Av2. (e) Find the overall voltage gain, Vo2/Vsig.
Given a complete sequential program without any branches (no GOTO and CALL statements) that consists of 12813 instructions and a PIC microcontroller that is connected to a 2.0 MHz external clock/oscillator
A three-phase, 5kVA, 208 V, four-pole, 60Hz, Y-connected synchronous generator has negligible stator winding resistance and a synchronous reactance of 8 ohms per phase at rated terminal voltage.
The goal is to design and implement a high-speed logical shifter. The specification you have been given requires the design of a circuit that will shift a 16-bit word to the right or to the left by 1-,2-,3-, or 4-bit positions in a single clock ti..
A N-turn resonant circular loop with a uniform current distribution and with a circumference of f/4 , is fed by a lossless balanced twin-lead transmission line with a characteristic impedance of 300 ohms. Neglecting proximity effects
When we discussed the work of Galvani and Volta, we noted that Galvani's work was not fully appreciated until the development of instruments capable of detecting and amplifying the small biopotentials present in living organisms.
The sun is at an altitude of 30 degrees to the horizontal. What is the corresponding air mass What is the physical significance of air mass Mars has a very thin atmosphere containing primarily CO_2 and dust particles.
1) What is the difference between Vin and Vo in a voltage clipping circuit with a zener diode 2) Does Vzo of a zener depend on the temperature of the surrpunding 3) Why is it necessary to put a resistor in a voltage regulator cirucit with a zener di..
The switch in the circuit has been in position a for a long time. At t=0 the switch is moved to position b. A.Calculate the initial voltage on the capacitor ifv = 200V , and i = 1.9mA . B. Calculate the final voltage on the capacitor. C. Calculate t..
A series type Ohmmeter uses a 50 ohm, 1mA PMMC the internal battery voltage is 3V the desired scale marking for half scale deflection is 2000 ohm. Calculate:- - Value of R1 & R2
A delta-wye connected three-phase transformer is rated at 38 MVA with primary and secondary line voltage ratings of 345 and 125 kV, respectively. The transformer p.u. reactance is 10%, the p.u. no-load current is 0.1.
Describe the steps in the keypad polling routine. Draw a flow chart for the keypad LCD software code. Discuss challenges experienced in developing the keypad LCD software code.
Discuss how the angle of the incident light affected the solar cell? How could solar cell designs and/or installations be designed to counter this affect?
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