By Hammad M. Cheema, Reza Mahmoudi, Arthur H.M. van Roermund
The promising excessive information fee instant functions at millimeter wave frequencies mostly and 60 GHz specifically have won a lot realization lately. in spite of the fact that, demanding situations regarding circuit, format and measurements in the course of mm-wave CMOS IC layout must be triumph over earlier than they could turn into doable for mass market.60-GHz CMOS Phase-Locked Loops concentrating on phase-locked loops for 60 GHz instant transceivers elaborates those demanding situations and proposes ideas for them. The procedure point layout to circuit point implementation of the full PLL, in addition to separate implementations of person elements reminiscent of voltage managed oscillators, injection locked frequency dividers and their combos, are incorporated. moreover, to fulfill a couple of transceiver topologies concurrently, flexibility is brought within the PLL structure through the use of new dual-mode ILFDs and switchable VCOs, whereas reusing the low frequency elements on the similar time.
Read or Download 60-GHz CMOS Phase-Locked Loops PDF
Best microwaves books
Schlieren and Shadowgraph tools in warmth and Mass move lays out the basics of refractive index dependent imaging ideas, optical configurations, photograph research, and 3 dimensional reconstructions. the current monograph goals at temperature and focus measurements in obvious media utilizing ray bending results in a variable refractive index box.
? ber den Autor/HrsgProf. Dipl. -Ing. Hermann Linse, Esslingen (verst. ) Prof. Dr. -Ing. Rolf Fischer, FH Esslingen
This ebook provides rules and functions to extend the space for storing from 2-D to three-D or even multi-D, together with grey scale, colour (light with various wavelength), polarization and coherence of sunshine. those actualize the advancements of density, potential and information move expense for optical information garage.
- Microwave Electronic Devices
- Enhanced Radio Access Technologies for Next Generation Mobile Communication
- Ultra-wideband Radar Technology
- Wireless Mesh Networks - Architectures and Protocols
Extra info for 60-GHz CMOS Phase-Locked Loops
5. 7 Summary This chapter lays down the foundation for circuit design of the synthesizer in subsequent chapters. 3c is discussed in detail. The frequency channelization proposals of this standard include 2 GHz HRP channels for data intensive applications such as live video streaming and downloads and 1 GHz and 500 MHz LRP channels for moderate and low data rate applications, respectively. 2. With the aim of supporting a number of these frequency conversion techniques, a flexible synthesizer architecture has been proposed.
These harmonic mixers exhibit frequency dependent loss which is difficult to calibrate. The result is an increase in the noise floor of the spectrum analyzer as well as un-calibrated output power levels. Consequently, phase noise of the oscillator becomes increasingly difficult to measure. An alternative of the above setup is designing an on-chip mixer and downconvert the oscillator frequency to within the range of the spectrum analyzer and thereby extract its performance indirectly. In such a scenario, the mixer needs to be characterized separately so that its affect on a VCO measurement can be subtracted.
The PFD and charge pump are merged into one block and characterized by relevant parameters like Icp, deadzone time and timing jitter. The dead-zone phenomenon is an undesired characteristic of PFDs which refers to its inability to track the phase difference between the two input signals. In such a case, the output charge pump current is zero and the spurious tones appear at the VCO output un-attenuated. The timing jitter parameter models the noise in the charge pump current which corresponds to jitter at the PFD input.