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Q. Consider the MOSFET circuit with variable voltage, with RD = 2k and VDD = 12 V. The static characteristics ofthe n-channel enhancement MOSFET are given in Figure.
(a) Drawthe load line and find the operating point if vGS = 4V.
(b) Sketch the resulting transfer curves (i.e., iD and vDS as a function of vGS) showing cutoff, active, and saturation regions.
(c) For relatively undistorted amplification, the MOSFET circuit must be restricted to signal variations within the active region. Let vGS (t) = 4 + 0.2 sin ωt V. Sketch iD(t) and vDS(t), and estimate the resulting voltage amplification Av.
(d) Let vGS (t) = 6 sin ωt , where ω is slow enough to satisfy the static condition. Sketch iD(t) and vDS(t) obtained from the transfer curves. Comment on the action of the MOSFET in the switching circuit.
different types of probes used in multimeter
Testing of CT Operated Meters The subsequent tests should be carried out for CT operated meters: i) Ratio test through primary injection kit, ii) Polarity test, iii)
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First Quadrant or Class A chopper A chopper two mode operation of class A chopper can be explained as follow.
Q. Based on the 8421 BCD code for decimal digits 0 through 9, develop a block diagram for a BCD encoder and its implementation scheme.
advantages and disadvantages of wein''s bridge
(a) The circuit of Figure 1 represents an amplifier-speaker connection. The filter is a low pass filter which is connected to the woofer. The filter is a -network. (i) Design a
A 3-kVA, 220:110-V, 60-Hz, single-phase transformer yields these test data: • Open-circuit test: 200 V, 1.4 A, 50 W • Short-circuit test: 4.5 V, 13.64 A, 30 W Determine th
Advantages of SDR 1. Easy to upgrade 2. Great flexibility. It can be dynamically updated with new software without any changes in hardware 3. Due to reduced number of har
Potentiometric type DVM: A potentiometric type of DVM, employs voltage comparison technique. In this DVM the unknown Voltage is compared with a reference voltage value is fixed by
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