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How long can the INTR signal stay high?
The INTR pulse can remain high until the interrupt flip-flop is set by the EI instruction in the service routine. If it remains high after the execution of the EI instruction, the processor will be interrupted again, as if it were a new interrupt.
What is the minimum number of samples that pulse amplitude modulation needs to take per second to reproduce this signal accurately?
Fs=2Fm
Why colour burst required in TV?
The 8 cycle color burst pulse on the back porch of the horizontal retrace pulse of the NTSC signal is required in order to maintain phase lock synchronization between the transmitter's chroma modulator and the receiver's chroma demodulator.
What is a pulse area?
A pulse area refers to the integral of a pulse signal over time, representing the total energy or strength of the signal during its duration. In various fields like communications and signal processing, it is often used to analyze the effectiveness of pulse modulation or the performance of a system. The pulse area can help in determining parameters such as the signal-to-noise ratio and overall system efficiency.
What type of signal must be applied to the input of a microprocessor?
square pulse signal
Every pulse in a digital signal?
Bit
What type of modulation is pulse position modulation and why?
It is a type of Pulse modulation as in PPM the position of pulse of carrier pulse train is varied in accordance with the modulating signal.
A digital signal composed of a pulse of positive voltage represents a what?
A pulse is just a pulse. Its meaning depends on context and the design of the system.
Is pulse wave an analog or digital signal?
Yes, it is
What digit represents a digital signal composed of a pulse of positive voltage?
A pulse is just a pulse. Its meaning depends on context and the design of the system.
What is the bandwidth of a PCM?
The bandwidth of a Pulse Code Modulation (PCM) signal is determined by the Nyquist theorem, which states that the minimum sampling rate must be at least twice the highest frequency present in the analog signal. Therefore, if the highest frequency of the analog signal is ( f_m ), the required sampling rate is ( 2f_m ). The bandwidth of the PCM signal will typically be twice this sampling rate, resulting in a bandwidth of approximately ( 4f_m ). In practice, additional factors like filter roll-off may affect the actual bandwidth requirements.
How regenerative repeater work in pulse code modulation?
Regenerative Repeater is used for the PCM (Pulse code modulation ) it amplifies the signal because the effect of the channel over the signal .
