Question:
In order to act as an optical detector, in what modes should a LED operate?
Answer:
To use the LED as an optical detector, it should operate in the solar cell mode (quadrant #4 of the current…
Question:
For the circuits in Figure 2, what happens with the output voltage reference value if the green LEDs is replaced with a red or yellow LEDS?
Answer:
Usually red or yellow LEDs have lower…
Question 1:
Enumerate the main elements that are found in the Loudspeaker Impedance Model
Answer 1:
The main elements of the loudspeaker electrical model are:
Rdc - dc resistance of the loudspeaker…
Question 1:
What methods, other than the RC filter, could be used to remove the noise jitter from the comparator?
Answer 1:
Another method to remove the noise from the comparator is to use positive…
Question 1:
Using the values and formulas provided in the laboratory directions compute the following parameters:
Forward current through the IR LED. (use datasheet of the QED-123)
Cut-off frequency…
Question 1:
For the circuit presented in figure 1 express V REF(LOW) and V REF(HIGH) as equations depending on R 1 , R 2 , R 3 and W2. What is the ration between V REF(HIGH) and V REF(LOW) if all resistances…
Question 1:
How will the response of the circuit change if the value of the inductor is changed?
Answer 1:
Because the strength of the magnetic field is proportional with the value of the inductance…
Question 1:
How will C DC influence the circuit if its value is changed?
Answer 1:
C DC decouples the accelerometer from noise on the power supply. A different value will filter out certain frequencies…
What are the differences between the operation of AD22100 voltage ouptut temperature sensor and the AD592 current output temperature sensor?
Answer 1:
The AD22100 is a voltage output temperature…
Question 1:
Why the clipping occurs when the amplitude of the sine wave is increased?
Answer 1:
Clipping occurs when the output signal of the audio amplifier reaches its maximum voltage level, causing…
