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Problem-
Design a discrete common emitter BJT amplifier to have overall gain of -8 V/V. (Determine value for R1, R2, RC and RE)
Rsig = 10kΩ, RL = 2 kΩ, VCC = 9V,
For calculation, assume β = 100, vBE.on = 0.7 V, C = ∞, and VA = ∞.
1. IE = ~2mA,
2. Current in the voltage divider is ~ 0.2 mA
3. VB = ~3V
Please include the AC and DC analysis. For the AC analysis calculate the values of the input resistance (Rin), Output resistance (Rout), open circuit voltage gain (Avo), and overall gain (Gv).
1. Perform a phase analysis and microstructure sketch for a 1035 plain carbon steel at (a) 723+oC, and (b) 723-oC. Show the lever rule calculation for one phase at each temperature.
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In a unity feedback system, the forward path has a transfer function of the form G(s) = k/(1+s/ωp), and the feedback path has a gain of kfp which is less than unity. Calculate the bandwidth of the closed-loop transfer function.
First you must give all different possible connection types for them and then, for each case, you should develop some tests that can define the connection type and calculate the current passing through the capacitors.
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Which one will give more Output? Transformer on 50 Hz or on 60 Hz (When operates on 50 or 60 Hz frequency) ??
Calculate the extraction efficiency (in percentage) of flat - surface LED without any encapsulation (emits directly into the air). The LED is fabricated from material with the refractive index n = 2.3.
A cylindrical metal wire of radius r1 and conductivity of o1 has a core region of radius r2 replaced along the whole length with a metal conductivity of o2. Calculate the resistance of the wire, R, between the ends.
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