WebJul 1, 2015 · Abstract—An efficient mixed-mode Gaussian frequency-sh if t. keying (GFSK) demodulator with a frequency offset cancellation. circuit is presented. The structure is suitable for a low -IF Bluetooth. receiver and can also be applied to other receiver s involving. continuous phase sh if t keying (CPSK) signals. The demodulator. WebGFSK signals) and linear modulators [17]. The proposal is hereafter called linear GFSK demodulator based on pseudo-inverse estimation (LPIE). The paper proceeds as follows: The GFSK system model is described in detail in Section 2. Section 3 presents two implementations of the proposed demodulator (LPIE), while the
A GFSK demodulator for low-IF Bluetooth receiver
WebFor A GFSK demodulator for low-IF Bluetooth receiver, How does the shape-keeping circuit in figure 4(c) works ? Why need the NOR gate before the input to the shape … WebAn all-digital GFSK demodulator based on a quadrature FM discriminator and a bit decision unit is presented in Ref. 4, which consumes 170 μA current and can tolerate a frequency offset from − ... hoover portapower switch
(PDF) A GFSK demodulator for low-IF Bluetooth receiver
WebBluetooth is a short-range communication standard which employs Gaussian frequency shift keying (GFSK). The design of low-complexity and high-performance receivers for Bluetooth systems is a challenging task. In this paper, we develop an optimized differential GFSK demodulator and investigate the phase wrapping issue in its implementation. WebA simple GFSK demodulator circuit inspired by this IEEE article: A GFSK demodulator for low-IF Bluetooth receiver Summary: The input GFSK signal (1 Mb/s , modulation index of 0.32) is using 2MHz intermediate frequency (IF). Webwe focus on an FHSS-GFSK signal, which employs Gaussian frequency-shift keying (GFSK), a specific form of continu-ous phase modulation (CPM) [3], combined with frequency-hopping spread spectrum (FHSS) [4]. This type of modulation is used in the popular Bluetooth wireless technology [5]. FHSS is often used for resistance to … long island wine gifts