RFModulation and Demodulation: 10 Interview Questions and Answers
Explore key modulation and demodulation concepts with these interview Q&As, covering AM, FM, PSK, QAM, and more for comms roles.
Posts tagged: Modulation
Showing 20 posts (Page 5 of 8)
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Modulation Index Formula in AM/FM Communication Systems
Understand the modulation index in communication systems, including formulas, calculations, and its importance in AM and FM modulation.
Modulator vs. Demodulator: Understanding the Difference
Explore the core differences between modulators and demodulators in telecommunications, covering analog and digital modulation techniques.
Modulator vs. Multiplier: Key Differences Explained
Explore the distinctions between modulators and multipliers, focusing on their function, linearity, and applications in signal processing. Includes equations and examples.
MSK and GMSK Modulation Techniques Explained
Explore MSK and GMSK modulation, derived from Offset QPSK, focusing on GMSK modulator/demodulator implementations using the QPSK method.
MSK and GMSK: Advantages and Disadvantages
Explore the benefits and drawbacks of MSK and GMSK modulation techniques, including spectral efficiency, SNR, and interference considerations.
Multicarrier CDMA: A Comprehensive Introduction
Explore Multicarrier CDMA, combining CDMA and OFDM for high data rates and spectrum efficiency in mobile communication systems. Learn about its principles and applications.
NFC Modulation Explained: NRZ, Manchester, and Modified Miller Coding
Explore NFC modulation techniques including NRZ, Manchester, and Modified Miller coding. Understand how these methods ensure efficient and reliable wireless data transmission.
NFC-A, NFC-B, and NFC-F: Protocol Differences Explained
Explore the key differences between NFC-A, NFC-B, and NFC-F signaling protocols used in Near Field Communication for short-range communication.
NRZ vs PAM4: Understanding the Key Differences
Explore the differences between NRZ and PAM4 modulation techniques, including levels, spectral efficiency, and applications.
OFDM vs FBMC: A Detailed Comparison
Explore the similarities and differences between OFDM and FBMC modulation techniques, including their complexity, advantages, and disadvantages.
OFDM vs. f-OFDM: Key Differences Explained
Explore the key differences between OFDM and f-OFDM modulation techniques, including bandwidth occupancy, benefits, sub-band division, throughput, and guard bands.
OFDM vs. OFDMA: A Detailed Comparison
Explore the differences between OFDM and OFDMA modulation schemes, focusing on multiple access, resource allocation, and suitability for various wireless communication systems.
ON OFF Keying (OOK) MATLAB Code
MATLAB code for ON OFF Keying (OOK) modulation, including output plots, relevant equations, and download links. OOK is a digital modulation technique.
OOK vs FSK vs ASK: Modulation Techniques Compared
Explore the differences between OOK, FSK, and ASK modulation techniques, including signal diagrams, advantages, and disadvantages of each method.
OOK vs VPPM vs CSK Modulation: A Detailed Comparison
Explore the differences between OOK, VPPM, and CSK modulation techniques for wireless communication, focusing on efficiency, data rate, and application suitability.
Optical Modulation Index (OMI) Explained
Learn about the optical modulation index (OMI), its definition, and its equations in both electrical and optical domains, relevant to optical fiber communication.
Optical Polarization Shift Keying (PolSK) Modulation Explained
Learn about Optical Polarization Shift Keying (PolSK) modulation, its variants like MPolSK, BPolSK, and DCPolSK, and its role in optical communication systems.
Overview of Mobile Radio Systems in North America
A summary of mobile radio systems used in North America, including AMPS, NAMPS, USDC, and others. Details on access methods, frequencies, and modulation.
PCM (Pulse Code Modulation): Advantages and Disadvantages
Explore the pros and cons of Pulse Code Modulation (PCM), including its robustness, bandwidth requirements, and quantization error.
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