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(a) A digital product is being tested for compliance to CISPR 22 Class A requirements. The receiving antenna is placed a distance of 30 m away and is attached to a 50 V receiver with a 100 ft length of 50 Ω cable that has a loss of 10 dB/100 ft at 300 MHz as shown in Figure above. If the receiver indicates a level of -64.5 dBm at 300 MHz, and the antenna provides 4 V at its base for every 1 V/m of electric field incident on it determine whether the product passes or fails and by how much.
(b) List the information required on a Declaration of Conformity.
(c) FCC and the CISPR have classified products into class A and Class B.
(i) Explicit the terms FCC and CISPR? (ii) Which local organization would be equivalent to the FCC? (iii) What sorts of products are classified under Class A and Class B?
(d) Classify the given products within Class A or Class B digital device with regard to the regulatory tests that they must comply with.
(i) network server (ii) $5000 U.S. high-speed, high-capacity laser printer (iii) tablet PC (iv) 3G smart phone (v) Wireless Access Point
(e) Distinguish between harmonized and non-harmonized standards.
Three equal impedances of D ohms resistance and C inductive reactance are connected in a DELTA configuration. The line voltage is A00 volts. Determine the line current, phase cur
Q. Does the existence of non-tradable goods allow for deviations from Purchasing Power Parity? Answer: Yes the continuation of non-tradable goods permits deviations from Purch
explain a basic measurement system
Q. Discuss the disadvantages of an RC coupled amplifier? RC coupled amplifiers have a few disadvantages. The resistors use dc power and so the amplifier has low efficiency. The
DAA Decimal Adjust Accumulator Instruction This instruction adjusts the contents of the accumulator into BDC (Binary Coded Decimal ) form after a BCD addition. It should
Each of the following functions is abs(H(jw))^2 of a certain network function H(s). Obtain all the possible H(s) for each given abs(H(jw))^2. [(w^4)+25]/[(w^4)+(12w^2)+49]
Terminal The oval symbol show below in indicate terminal of the program. Usually words like START BEGIN STOP END are written in terminal symbol. START
Some wire of cross-sectional area 1mm 2 has a resistance of 20Ω. Determine: a) The resistance of a wire of the same length and material if the cross-sectional area is 4 mm 2 .
why is detecting the time of islanding relevant?
Measurements made on the self-biased n-channel JFET shown in Figure are V GS =-1 V, I D = 4 mA; V GS =-0.5V, I D = 6.25 mA; and V DD = 15 V. (a) Determine V P and I DSS .
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