1.Briefly describe the operation of the common mode LC filter of
a power supply.
2. Describe briefly with the aid of a diagram, the thermal
resistances involved in heat dissipation by a heat sink.
3. Describe briefly the EMI emission and susceptibility issues
with Power supplies of medical electronic equipment.
(TCO 1) To evaluate the financial operation and health of a
business ratio analysis is used. (1) Provide the formula for the
Acid-test (or Quick) Ratio and explain how it is computed (10
points) and (2) provide an example of how this ratio can be used in
decision-making in business. (15 points)
(TCO 5) How do governmental (environmental) constraints affect
the pricing strategy in a foreign market?
(TCO 1) Why is the understanding of society and the cultural
environment important when entering a foreign market?
(a) Describe the principle of operation of
(i) Klystron amplifier
(ii) Travelling wave tube (TWT) amplifier.(b) A parabolic reflector is used to receive a satellite signal
of 4 GHz. If the beamwidth of the device is 2.50(i) find the diameter of the parabolic reflector.
(ii) calculate the gain of the device assuming that the efficiency
factor is 50%
Describe Maxwell's predictions and electromagnetic
waves.
In your own words, explain electromagnetic spectrum and give
examples.
In your own words, explain Doppler effect for the
electromagnetic waves and red shift.
ANSWER IT ALL OR DONT ANSWER. TY.