Fast hopping frequency generation in digital cmos pdf

The dds provides fast frequency hopping and frequency tuning resolution with its 32bit accumulator. The fully digital modulator minimizes any frequency drift or anomalies in the modulation characteristics of the transmitted signal and is much more stable than direct vco modulation schemes. Low cost must be biggest motivation cmos is 3040% lower than bicmos high level system integration cmos is one or two generations advanced cmos can realize a full system integration stable supply and multifoundries fabs for sigebicmos are very limited. An efficient frequency synthesizing technique producing. Multitone fast frequencyhopping synthesizer for uwb radio. Gallagher, in natural gas measurement handbook, 2006. Analysis and design of dllbased frequency synthesizers. By using current switching, instead of conventional voltage switching method, ssb mixer achieves 35dbc suppression of. By using current switching, instead of conventional voltage switching method, ssb mixer achieves 35dbc suppression of undesired bands. Written by international experts in industry and academia, cmos nanoelectronics addresses the state of the art in integrated circuit design in the context of emerging systems.

Frequency synthesis and clock generation for high speed. Abstract a lowpower highspeed frequency synthesizer in 65nm cmos is presented. High performance local oscillator design for next generation. The dds also enables fast phase and amplitude switching capability. Study of fast frequency hopping spread spectrum and jamming systems er. The design of cmos radiofrequency integrated circuits, lee. Analysis and design of injectionlocked building blocks for rf frequency generation in ultrascaled. The possible ways of performing the frequency generation in a uwb system are. Potential and limitation of rf cmos technology and. Fully integrated frequency and phase generation for a 618ghz tunable multiband phasedarray receiver in cmos florian bohn, hua wang, arun s. Fast hopping frequency generation in digital cmos by mohammad farazian. The wider voltage control range increases the risk of excessive noise generation because of the greater steepness of the varicaps at low voltages.

The injection locked mechanism is analyzed and employed both in the subharmonic injection locking version and in the superharmonic injection locking version. A fasthopping 3band cmos frequency synthesizer for mbofdm uwb system. One path for each antenna analog lo generator for frequency hopping power amp mhz 2400 80 max. This work presents the first cmos inductorless single pll 14band frequency synthesizer for mbofdm uwb which is capable to perform any arbitrary band switching specified in less than 2 ns. A digital frequency generator assists in simulating a pulse output from one device to another. Fast hopping highfrequency carrier generation in digital. The circuit analysis of the complete transceiver is used to set parameters of components. Design methodology, analysis, and implementation analog circuits and signal processing bourdi, taoufik, kale, izzet on. This volume outlines a frequency plan that can generate all the required frequencies from a. The texas instruments ti advanced highspeed cmos ahc logic family provides a natural migration for highspeed cmos hcmos users who need more speed for lowpower, and lowdrive applications. A fasthopping 3band cmos frequency synthesizer for mb.

Analysis and design of injectionlocked building blocks for. A fast hopping 3band cmos frequency synthesizer for mbofdm uwb system to cite this article. It dynamically delays lo edges to modulate the phase of two outphasing signals. Save up to 80% by choosing the etextbook option for isbn. While these gan hemt thscs achieved an unprecedentedly high snr at a given input frequency, they suffer from dynamic nonlinearity from the gan hemt sourcefollower buffers. A tappeddelayline coarse delay modulator allows delay modulation at the lo rate with no glitches.

Sep 16, 20 frequency synthesis and clock generation are now key elements in all aspects of high speed data acquisition and rf design. Fast hopping frequency generation in digital cmos mohammad. Uwb fast hopping frequency generation based on subharmonic injection locking s dal toso, a bevilacqua, m tiebout, s marsili, c sandner, a gerosa. Bandswitching ssb mixer for mbofdm frequency synthesizer. An 8ghz firstorder frequency synthesizer based on phase. Ieee journal of solidstate circuits 43 12, 28442852, 2008. Natarajan, sanggeun jeon, and ali hajimiri california institute of technology, pasadena, ca 91125, usa abstract. Mbofdm uwb uses spread spectrum by means of an ultrafast frequency hopping scheme. Overcoming the agility limitations of conventional frequency synthesizers in multiband ofdm ultra wideband is a key research goal in digital technology. Millimeterwave digitally intensive frequency generation. The output frequency of the proposed adpll ranges from 125mhz to 1. By transmitting the message energy over a bandwidth much wider than the minimum required, spread spectrum modulation techniques present two major advantages. A digital ultrawideband multiband transceiver architecture with fast frequency hopping capabilities. Optical short pulse processors enable several systems including optical code division multiple access networks, optical secure communications, and optical pulse shapers.

Smaller capacitance is needed to keep higher cutoff frequency under the lower gm condition small size results in increase of the mismatch voltage and 1f noise. From 10 ghz to 100 ghz by zhiming deng doctor of philosophy in engineering electrical engineering and computer sciences university of california, berkeley professor ali m. Currentmode techniques for uwb frequency synthesizers. Oct 12, 2012 fanori l, liscidini a, catello r 2010 3. A fasthopping 3band cmos frequency synthesizer for mbofdm. Design techniques for highfrequency cmos integrated.

A discretetime digitalif interferencerobust ultrawideband pulse radio. In this session, the primary types of frequency synthesizersphaselocked loops pll and direct digital synthesizers ddsare discussed, along with the applications for when each is appropriate. New, exciting opportunities in body area networks, wireless communications, data networking, and optical imaging are discussed. Diagram and equipment description generation of the frequency hopping signal. Mbofdm uwb devices must hop among 14 uwb channels within 9. Request pdf a 3to8ghz fasthopping frequency synthesizer in 0.

Analysis and design of injectionlocked building blocks. It is composed of a dual mode phase and frequency detector pfd, a tdcembedded digitally controlled oscillator dco, a lock in procedure control state machine state machine and a cdr controller controller. This work presents the analysis and the design of injectionlocked building blocks for rf frequency generation in ultra scaled cmos technologies. Abstract a ssb mixer, for use in an mbofdm frequency synthesizer covering mode 1 bands, with band hopping capability has been demonstrated in 90nm digital cmos technology. Diagram and equipment description generation of the frequencyhopping signal. A 3 to 7 ghz fasthopping frequency synthesizer for ultrawideband uwb applications, realized in a standard digital 0. Appendix e jitter reduction in dds clock generator systems. The first step in generating the frequencyhopping signal is accomplished by entering 274 sets of the randomized 475 hop frequencies into a frequency list stored in memory in the fastswitching microwave synthesizer. Novel architectures for fast frequencyhopping synthesizers and high frequency directdigital synthesizer are then presented. Generation and propagation of glitches through the delay line. Design and analysis of cmos frequency to voltage converter using 0. Dds has the capabilities of rapid frequency hopping by digital software control. Microwave wideband synthesizer with integrated vco data sheet.

One of the challenges in implementing a frequency synthesizer for multiband ofdm ultra wideband mbofdm uwb is overcoming the agility limitations of conventional synthesizers. Design and analysis of cmos frequency to voltage converter. This paper proposes a novel wideband lcbased voltagecontrolled oscillator vco for multistandard transceivers. Cmos single chip fast frequency hopping synthesizers for. The design of cmos radio frequency integrated circuits kindle edition by lee, thomas h download it once and read it on your kindle device, pc, phones or tablets. Presenting the first cmos inductorless single pll 14band frequency synthesizer for mbofdmuwb makes this volume a key addition to the literature, and with the synthesizer capable of arbitrary band hopping in less than two nanoseconds, it operates well within the desired range on a 1. With a 1 gsps sample rate, the tuning resolution is 0. The user has access to the three signal control parameters that control the dds. Purchase millimeterwave digitally intensive frequency generation in cmos 1st edition. A referenceless alldigital fast frequency acquisition full. Fast hopping frequency generation in digital cmos springerlink. Analog and rf vlsi circuits by krzysztof iniewski available from rakuten kobo. Niknejad, chair technology developments have made cmos a strong candidate in highfrequency ap. Indepth coverage of integrated circuit design on the nanoscale level.

Pdf digital frequency synthesizermodulator for continuousphase. The proposed referenceless alldigital fast frequency acquisition fullrate cdr circuit is shown in fig. Cmos single chip fast frequency hopping synthesizers for wireless multigigahertz applications. Digital frequency an overview sciencedirect topics. Extremely fast hopping speed in tuning output frequency or phase, phasecontinuous.

The ssb core1 and ssb core2 are dedicated to low and high group group a and c in fig. This subband generator is capable of producing multiple frequency bands, enabling subband generation from 3 to l0ghz with nanosecond switching times. The mbofdm proposal for uwb divides the spectrum from 3. This paper presents for the first time the circuit parameter analysis of a digital multibanduwb transceiver, encompming a novel lowpower subhand generator. The dds provides fast frequency hopping and frequency tu n ing resolu tion with its 32 bit accumulator. A technical tutorial on digital signal synthesis analog devices.

Indepth coverage of integrated circuit design on the nanoscale level written by international experts in industry and a. Overcoming the agility limitations of conventional frequency synthesizers in multiband ofdm. Related content a lowspurious fast hopping mbofdm uwb synthesizer chen danfeng, li wei, li ning et al. The user has access to the three signa l control parameters that co ntrol the dds. Matsuzawa 10 principal design for rf cmos use small size devices and compensate the accuracy and 1f noise degradation. The performance of the digital frequency synthesizercpm modulator has been analyzed theoretically and simulated by a computer program. The required ability of hopping from one lo frequency to the other within 9 ns prevents the use of a conventional approach based on a single wideband pll. Novel architectures for fast frequencyhopping synthesizers and high frequency directdigital synthesizer are. Design of broadband amplifiers in digital cmos technology. Abstract a ssb mixer, for use in an mbofdm frequency synthesizer covering mode 1 bands, with bandhopping capability has been demonstrated in 90nm digital cmos technology. The proposed vco has a core lcvco and a tuningrange extension circuit, which consists of switches, a mixer, dividers, and variable gain combiners with a spurious rejection technique. Microwave wideband synthesizer with integrated vco data. Frequency hopping spread spectrum fhss and direct sequence spread spectrum dsss. Farazian m 2009 fast hopping highfrequency carrier generation in digital cmos technology.

Marton et al widerange lownoise fasthopping fractional synthesizer in 1. Study of fast frequency hopping spread spectrum and. A fast lockin alldigital phaselocked loop in 40nm cmos. It is composed of a dual mode phase and frequency detector pfd, a tdcembedded digitally controlled oscillator dco, a lockin procedure control state machine state machine and a. Presenting the first cmos inductorless single pll 14band frequency synthesizer for mbofdmuwb makes this volume a key addition to the literature, and with the synthesizer capable of arbitrary bandhopping in less than two nanoseconds, it operates well within the desired range on. The design features a novel architecture combining an lc quadrature vco, two sampleandholds, a phase interpolator, digital coarsetuning and a novel quadrature frequency detection technique for finetuning. The chip was implemented in a 65nm digital cmos technology with a thick top. Architecture for wireless communication in 90 nm cmos technology be. In the former case subharmonic injection locking is employed to generate the fasthopping. A referenceless alldigital fast frequency acquisition. Use features like bookmarks, note taking and highlighting while reading the design of cmos radio frequency integrated circuits. The proposed referenceless all digital fast frequency acquisition fullrate cdr circuit is shown in fig. Fully integrated frequency and phase generation for a 6.

A digital ultrawideband multiband transceiver architecture. Fast hopping frequency generation in digital cmos by mohammad farazian english pdf repost,epub 20 158 pages isbn. Fast hopping injection locked frequency generation for uwb. Bandswitching ssb mixer for mbofdm frequency synthesizer in. However, ddss have been limited in generating very high frequency signals. An 800 msps quadrature ddfs and integrated nonlinear dacfilter with frequency hopping time s subramanian, h hashemi. Millimeterwave digitally intensive frequency generation in cmos. Digital ultrawideband multiband transceiver architecture. This device is designed for troubleshooting operations by a qualified technician. Study of fast frequency hopping spread spectrum and jamming. Direct digital synthesis dds systems allow for the generation of accurate and versatile analog waveforms.

A tunable wideband frequency synthesizer using lcvco and. For instance, compact and low cost integrated solutions for optical short pulse endecoders with large code length and capable of processing large optical bandwidth may enable realization of tbps communication networks. Unlike many other advanced logic families, ahc does not have the drawbacks that come with higher speed, e. The first step in generating the frequency hopping signal is accomplished by entering 274 sets of the randomized 475 hop frequencies into a frequency list stored in memory in the fast switching microwave synthesizer. Most of the frequency synthesizers are fabricated on low cost cmos.