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Determine the value of current flow in VCO, when the NE566 VCO external timing resistor RT =250Ω and the modulating input voltage Vc=3.25V.(Assume Vcc=+5v).
In VCO the output frequency is a linear function of its input
The output frequency of the VCO can be changed by changing
In an AM system receiver. the mixer translates the carrier frequency fc to a fixed intermediate frequency of 450 kHz. Given a broadcast signal of frequency 900 kHz. What is the corresponding image frequency when a superhetrodyne receiver is employed with local oscillator frequency greater than the broadcast signal frequency?
Which of the following statements are true?
(1) Minor's contract can be ratified on attaining majority.
(2) Minor's contract cannot be ratified on attaining majority.
(3) Minor's contract can be ratified jointly by both the parties to the contract.
(4) Minor is not liable under minor's contract.
(5) Minor's contract is an enforceable contract.
Wages of the workers are normally, the proportionality derived from their efficiency. But the concept of efficiency of labour is itself vague such as amount of physical output, output per man hour or output per man shift. But output is not the function of man alone. There are other factors which affect the output. Which among the following is/are not the factor(s) that would affect the output directly?
1. Physical condition of work
2. Nature of machinery
3. Technical process
4. Quality of raw material
5. System of management
6. Role of fellow workers
7. Competitors in the market
Read the given passage and answer the question that question that follow. Higher education is beneficial for some people but not all. Some fields specially require university degrees as it makes a person more skilled and makes them more capable of succeeding in their desired field. But one does not need higher education to be a poet or an artist. Similarly, many jobs do not require higher education. The need for higher education differs from person to person and so every person should be allowed to choose for themselves. Which of the following argument could be made from the above passage?.
What is the automatic frequency control voltage of the FM transmitter VCO?
Voltage to frequency conversion factor for VCO is
What happens when VCO output is 90o out of phase with respect to input signal?