[PDF] Top 20 A Spread-Spectrum Clock Generator With Triangular Modulation
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A Spread-Spectrum Clock Generator With Triangular Modulation
... 673 A Spread-Spectrum Clock Generator With Triangular Modulation Hsiang-Hui Chang, Student Member, IEEE, I-Hui Hua, and Shen-Iuan Liu, Member, IEEE Abstract—In this ... See full document
4
A fully integrated spread-spectrum clock generator by using direct VCO modulation
... work, a new 400-MHz SSCG which adopts a direct VCO modulation is ...using a dual-path loop filter, the capacitance of the low-frequency loop filter is so signifi- cantly reduced such that full ... See full document
9
A Low-Power and Portable Spread Spectrum Clock Generator for SoC Applications
... RDTM with 16 subsections within one modulation cycle. With two control signals, spreading step (S) and number of subsec- tions (COUNT), the proposed RDTM can provide a flexible spreading ratio ... See full document
5
A Low-Power and High-Precision Spread Spectrum Clock Generator for Serial Advanced Technology Attachment Applications Using Two-Point Modulation
... peak–peak modulation ratio and the shape of the triangular modulation in the frequency ...time-domain modulation profile is verified in ...measured modulation ratios are ...measured ... See full document
10
A high performance spread spectrum clock generator using two-point modulation scheme
... 11 Measured spectra of 400MHz output frequency a at non-spread spectrum mode, b of the conventional SSCG with 2.5% spread ratio, and c of the TPDL-SSCG with 2.5% spread ratio... 12 Measu[r] ... See full document
7
A fully integrated spread spectrum clock generator using two-point delta-sigma modulation
... new spread spectrum clock generator (SSCG) using two-point delta-sigma modulation is presented in this ...the modulation bandwidth so that the effect of EMI suppression is ...in ... See full document
4
Timing Jitter and Modulation Profile Extraction for Spread-Spectrum Clocks
... presents a chip photograph of this paper and its ...is a 0.18-μm complementary metal–oxide–semiconductor (CMOS) with a supply voltage of ...reference clock frequency. The SSCG is ... See full document
10
A Differentially Coherent Delay-Locked Loop for Spread Spectrum Tracking Receivers
... sequence spread spectrum, tracking error ...present a code tracking receiver with less complexity, by employing a differentially coherent tech- nique originally proposed for pseudonoise ... See full document
3
Efficient pseudonoise code design for spread spectrum wireless communication systems
... the clock with data rate. PN code generator generates the PN ...codes with different code lengths. That is to say, this is a soft-coded spread spectrum ...14% with ... See full document
8
Cryogenic analog-to-digital converters using spread spectrum technology for coherent receivers
... 4.7 Spread spectrum clock and skew control The output clocking scheme uses spread spectrum technology to lower RFI in the frequency ...GHz clock signal is phase modulated ... See full document
10
Spread spectrum multiple-access with DPSK modulation and diversity for image transmission over indoor radio multipath fading channels
... these subbands at the same time in the same channel, the SS-CDMA multiplexing scheme is particularly well suited to subband coding that divides the image informa[r] ... See full document
15
A clock generator with cascaded dynamic frequency counting loops for wide multiplication range applications
... shows a system block diagram of the cascaded dy- namic frequency counting loops for wide multiplication range ...requires a low-fre- quency DCO 1 and a low-frequency ...is a high-resolution ... See full document
11
COMPUTER-SIMULATION OF A DIRECT SEQUENCE SPREAD SPECTRUM CELLULAR RADIO ARCHITECTURE
... Here we consider a spread spectrum cellular radio architec- ture in which the whole service area is divided into cells and each cell is served by a base. A mobile [r] ... See full document
7
Robust Reference Clock Generator Design for DDR Synchronous Devices
... higher clock rates for peripheral ...of a system, e.g., SDRAM. The edges of the reference clock, thus, become deadly important to these high-speed and high-clock ...present a pulse ... See full document
10
Robust Reference Clock Generator Design for DDR Synchronous Devices
... higher clock rates for peripheral ...of a system, e.g., SDRAM. The edges of the reference clock, thus, become deadly important to these high-speed and high-clock ...present a pulse ... See full document
10
Spread spectrum CDMA systems for subband image transmission
... channels, a subband coding scheme that divides the image information into a number of independent data streams using an analysis filter bank, each of which is multiplied by its unique signature PN code, ... See full document
16
Differential matched filter architecture for spread spectrum communication systems
... For those matched filters with long stages, this new architecture saves half the number of M and A in comparison with the conventional filter, while maintaining an identical p[r] ... See full document
2
A spread spectrum DS/CDMA channel fading simulation environment for mobile radio network systems
... evolve. A basic under- standing of the channel is important not only for designing modulation and coding schemes for robust communication over such channel, but also for investigating the channel fad- ing ... See full document
6
Design of spread spectrum multicode CDMA transport architecture for multimedia services
... Moreover, a number of different mobile users can simultaneously request multimedia data from one or more multimedia servers on the ...information, a user needs a model to specify temporal con- ... See full document
13
Study on Jointing UWB Techniques with Multi-Carrier Spread Spectrum Systems 劉力榮、陳雍宗
... combining with MC-SS (multi-carrier spread-spectrum) system working in multi-path fading channel is investigated in this ...combining with a MC-CDMA system in wireless communication ... See full document
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