By salvatore drago, domine leenaerts, bram nauta, fabio sebastiano, kofi makinwa and lucien breems. A timedomain digitally controlled oscillator composed of. Background calibration in 65nm cmos, and a fractional spur free alldigital pll with loop gain calibration and phase noise cancellation for gsmgprsedge awarded best financially managed company by global semiconductor alliance gsa. Soda pdf is the solution for users looking to merge multiple files into a single pdf document.
This paper describes the design of an alldigital phase locked loop adpll for wireless applications in the wimax 3. Here, a pll with a low noise output is important to ensure signal purity. Adpll design parameters determinations through noise modeling. All digital polar transmitter design for software defined radio diva. Adpll is recently emerging to replace analog charge pump pll in many rf transceivers on account of its superior features including programmability, high noise immunity, small area, low voltage and ease of integration. Two band dcos with high frequency resolution are utilized to cover the frequency band of interest, which is as wide as 2. The design of alldigital polar transmitter based on adpll and phase synchronized modulator. Pdf we present the first alldigital pll and polar transmitter for mobile phones. The quadband transmitter consists tion and acquisition modes during. Adpll for wimax with digitallyregulated tdc and glitch.
Chapter 1 has introduced the importance of mmwave techniques for the future wireless communication and radar applications. This study describes a new dco tuning word otw presetting technique for the adpll to further reduce its settling time. Us6150890a dual band transmitter for a cellular phone. Then, a complete transmitter and receiver including bondwire antennas were. Comparing with analog charge pump pll, architecturei adpll in fig. Rf transmitter architecture investigation for power efficient mobile. Rb staszewski, jl wallberg, s rezeq, cm hung, oe eliezer. A series of novel methods are proposed in this paper. Bogdan staszewski et al alldigital pll and transmitter for mobile phones 2471 fig. A low power digitally controlled oscillator using 0. I also give permission for the digital version of my thesis to be made available on the. Generally, there are two main adpll architectures as shown in fig. They are part of a singlechip gsmedge transceiver soc fabricated in a 90 nm digital cmos process. Ieee radio frequency integrated circuits symposium, 2005 6.
Mixed analogdigital pulsewidth modulator for massivemimo transmitters nikolaos alexiou infineon technologies ag austria. Alldigital pll adpllbased transmitter direct sampling receiver vhdl toplevel modeling and simulation. If you continue browsing the site, you agree to the use of cookies on this website. Designing a pll for such purposes is extremely challenging, for the following reason. Pdf a bangbang alldigital pll for frequency synthesis. Room 38254, cambridge, ma 029 harvard university, 33 oxford st. Fundamentals of alldigital phase lock loop used in digital radio processor slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. An alldigital pll for cellular mobile phones in 28nm cmos with. Perrott p massachusetts institute of technology, 50 vassar st. A novel architecture for a fully digital wideband wireless transmitter is presented. Pdf distributed clock generator for globally and locally. A lowcomplexity lockingaccelerated digital pll with. This implementation makes use of a binary phase detector, also commonly called a bangbang phase detector, which has potential of use in highspeed, submicron processes due to the simplicity of the phase detector which can be.
Due to digital signal as input signal so many advantage of the adpll exists. Thanks to a dual loop configuration, the plls total frequency error, once in lock, is less than 0. But these portable document formats can often pose quite a challenge when working with different operating systems. All digital pll and transmitter for mobile phones, ieee j. Alldigital pll and transmitter for mobile phones, ieee j, solidstate circuits. Spurfree multirate alldigital pll for mobile phones in 65nm cmos. Wide tuning range, all static cmos all digital pll in 65 nm soi. A lownoise deltasigma phase modulator for polar transmitters. In recent years, consumer products such as personal computers, tablets, and mobile phones have permeated consumers everyday lives.
The measured output frequency range is 60420 mhz at the supply of 1. Reference spur in an integern phaselocked loop adelaide. The alldigital pll adpll is a foun thesizer, gsm, mobile phones, mos varactor. Westberg on the matlab using, axel tornlov and joel on pll circuit. A transmitter with an alldigital pll and polar modulation robert bogdan staszewski, et. Design of a fastlocking phase locked loop pll is one of the major challenges in todays wireless communications. A simplified digital compensation filter with inversefir and pll features is proposed to trade off the transmitter noise and linearity. The pll is a selfcorrecting control system in which two signal compares each other, i. A design procedure for alldigital phaselocked loops based on a. Mos switch, rf digitaltoanalog converter rfdac, trans former, transmitter tx. We present the first alldigital pll and polar transmitter for mobile phones. T is the time difference of two delay cells, t s is the time delay short of one delay cell which has a minimum channel length of 0. Disclosed is a dual band wireless phone, such as a cellular phone for a mobile communications system, with a dual band transmitter that includes a phase locked loop pll. Cell based synthesized low noise all digital frequency.
The proposed structure replaces highdynamicrange analog circuits with highspeed digital circuits and offers a. Switching power amplifier, all digital polar transmitter, lowpass. Semiconductor physics and devices 4th edition pdf free. Alldigital pll and transmitter for mobile phones pdf. Alldigital phase locked loop using the dco is fabricated in a 180nm cmos process. Alldigital pll and transmitter for mobile phones rb staszewski, jl wallberg, s rezeq, cm hung, oe eliezer.
This thesis addresses the problem of global synchronization of large system on chip soc. Pll are vital components in high speed and lowpower io link design. The first power amplifier has a first input for a first signal at a first radio frequency band, and a first output for an amplified first signal. A technique to provide hybrid compensation to correct for drifts in a reference frequency output from a digitallycontrolled crystal oscillator dcxo.
A fastlocked bangbang alldigital phasedlocked loop. Mixed analogdigital pulsewidth modulator for massive. My phd project aims to study and implement a large network 10x10 of all digital phase locked loop. A dutycycled pll operating in burst mode is presented. The proposed dcpll is a moderately accurate lowpower highfrequency synthesizer suitable for use in nodes for wireless sensor networks wsn. A first compensation is provided to the dcxo to adjust for overlap or discontinuity of the reference frequency caused by switching capacitors in the capacitor array that controls drift of the reference frequency output. Ieee journal of solidstate circuits 40 12, 24692482, 2005. A lownoise phase modulator, using finiteimpulseresponse fir filtering embedded deltasigma fractionaln phase locked loop pll, is fabricated in 0. Index termsdigital pll, fractionaln phaselocked loop, fre quency synthesizer.
T, t s and t l can be generated by different delay cells. Robert bogdan staszewski, khurram waheed, fikret dulger, and oren e. Staszewski and et al, alldigital tx frequency synthesizer and discretetime receiver for bluetooth radio in nm cmos, ieee journal of solidstate circuits. It focuses on the study of an alternative clock generation technique to conventional clock distribution and asynchronous communication. A highly flexible and scalable alldigital pll based frequency synthesizer is implemented in 180 nm cmos process. Low noise oscillator in adpll toward directtorf alldigital polar. Fastlocking alldigital phaselocked loop with digitally. The dco is a part of an alldigital phase locked loop adpll for gsm1800 and gsm900 applications. Alldigital pll and transmitter for mobile phones, ieee journal of solid state circuits, vol. Common commands, values and attributes indicated by nonshaded, merged cells. Pdf alldigital pll and transmitter for mobile phones.
Alldigital pll and transmitter for mobile phones, solidstate circuits. Alldigital pll and transmitter for mobile phones ieee. Spurfree multirate alldigital pll for mobile phones in 65 nm cmos rb staszewski, k waheed, f dulger, oe eliezer solidstate circuits, ieee journal of 46 12, 29042919, 2011. A precise based digitally controlled oscillator dco for alldigital pll abstract. All digital phase lock loop 03 12 09 linkedin slideshare. Staszewski rb, wallberg jl, rezeq s, hung cm, eliezer oe, vamulapalli sk, fernando c, maggio k, staszewski r, barton n, lee mc, cruise p, entezari m, muhammad k, leipold d 2005 alldigital pll and transmitter for mobile phones. Pdf alldigital pll and transmitter for mobile phones robert b. The lf is dynamically switched during frequency acquisition to minimize the settling time while keeping the phase noise pn at optimum. For simplicity, the alldigital pll around the dco is.
Continuoustime digital design techniques springer for. All digitalquadraturemodulator based wideband wireless. Outline alldigital transmitters overview digital to time conversion proposed mixedsignal outphasing rf pulsewidth modulator. A precise based digitally controlled oscillator dco. To make us ready for exploring mmwave pa and transmitter circuits, we first move down to some basic design concepts. The timedigital converter tdc sets the inband noise and it may be responsible for the presence of spurious tones at the pll output. The circuits are architectured from the ground up to be compatible with digital deepsubmicron cmos processes and be readily integrateable with a digital baseband and. Staszewski r b, wallberg j l, rezeq s, et al 2005 alldigital pll and transmitter for mobile phones ieee j.
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