Electronic Design

Counter Demodulates Narrowband FSK Without Synchronization

Frequency shift keying (FSK) is a popular digital modulation technique for data transmission. Some common applications of FSK modulation include both wired and wireless data transmission as well as ...
EDN

Modulation basics, part 1: Amplitude and frequency modulation

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Electronic Design

QPSK Demodulator Is A Good Match For Low-Cost Modulator

This demodulator is suitable for the quadrature phase-shift keying (QPSK) modulator previously published by the same author, "Novel Low-Cost QPSK Modulator Needs No Adjustments" (electronic design, ...
EDN

Gaussian Minimum Shift Keying

Using the formula for finding the frequency shift between mark and space, The frequency shift is 135.4165 kHz. B. the transmitted frequencies if the carrier (center) frequency is exactly 880 MHz The ...