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Across 3. A DM system, adjusts its step size is known as _______ Delta Modulation 4. DM needs ___________ circuitry as compared to PCM 6. pulses stuffed into spaces provided for empty time slots, known as (2 Words) 7. Main disadvantage of PCM is _________ bandwidth 8. In _________ TDM, signals to be multiplexed are band limited to same frequencies. 10. word length of a 64 quantization level PCM for S=4 is 11. in DM, the slope overload distortion can be reduced by_______ the step size 12. Standard data rate of PCM _______ channel is 64kbps 15. PAM is _____time signal 16. In PCM, an intersymbol interference can be reduced by designing a proper ______ 17. In PCM, Quantization noise depends on number of ________ levels 18. ______ is used in PCM to get uniform S/N ratio

Down 1. better performance in presence of noise is the case for ____ (3 Words) 2. word length of a 64 quantization level PCM for S=2 is 3. pulse stuffing is used in ___________ TDM 5. signal variations are within the step size is known as ________ noise 9. split-phase code is also known as ___ code 10. In TDM system, each signal is alloted in a frame having a uniform and fixed _______ slot 13. ________ modulation is digital in nature 14. the BW requirement of DM is _____ as compared to PCM