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Electronic Devices and Circuits
Electronics Fundamentals Circuits, Devices and Applications
316 SOLVED PROBLEMS
Question: 16.1
Determine VB, VE, VC, VCE, IB, IE, and IC in Figure 7. The 2N3904 is a generalpurpose transistor with a typical βDC 200. ...
Verified Answer:
The base voltage is approximately
V_{B} ≅ \...
Question: 16.10
Find VDS and VGS in Figure 41, given that ID ≅ 5 mA. ...
Verified Answer:
V_{S} = I_{D}R_{S} = (5 mA)(220 Ω) =[/lat...
Question: 16.11
Determine the drain-to-source voltage in the circuit of Figure 43. The MOSFET data sheet gives VGS(off) = −8 V and IDSS = 12 mA. ...
Verified Answer:
Since
I_{D} = I_{DSS} =
12 mA, the ...
Question: 17.1
A certain diff-amp has a differential voltage gain of 2000 and a common-mode gain of 0.2. Determine the CMRR and express it in decibels. ...
Verified Answer:
A_{v(d)} = 2000 \text{and} A_{cm} = 0.2[/...
Question: 17.3
A certain op-amp has an open-loop voltage gain of 100,000 and a common-mode gain of 0.25. Determine the CMRR and express it in decibels. ...
Verified Answer:
CMRR =
\frac{A_{ol}}{A_{cm}} = \fr...
Question: 8.6
Determine Vp, Vpp, Vrms, and the half-cycle Vavg for the sine wave in Figure 16. ...
Verified Answer:
As taken directly from the graph,
V_{p}[/la...
Question: 8.8
What are the phase angles between sine waves A and B in Figure 22(a) and 22(b)? ...
Verified Answer:
In Figure 22(a), the zero crossing of sine wave A ...
Question: 8.9
Determine the instantaneous value at 90° on the horizontal axis for each voltage sine wave in Figure 30. ...
Verified Answer:
Sine wave A is the reference. Sine wave B is shift...
Question: 8.14
Determine the period, frequency, and duty cycle for the pulse waveform in Figure 48. ...
Verified Answer:
As indicated in Figure 48, the period is T = 10 μs...
Question: 8.15
Determine the average voltage of each of the positive-going waveforms in Figure 50. ...
Verified Answer:
In Figure 50(a), the baseline is at 0 V, the ampli...
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