NDLI: A new design philosophy for high phase stability odd order frequency multipliers

Content Provider	IEEE Xplore Digital Library
Author	Siccardi, M. De Marchi, A.
Copyright Year	1996
Description	Author affiliation: Dipartimento di Elettronica, Politecnico di Torino, Italy (Siccardi, M.)
Abstract	Phase instability (in particular versus temperature) of the first frequency multiplication stages in the frequency synthesis chain can be a limitation for the medium term stability of atomic frequency standards of the new generation. These initial stages are based on a (passive or active) nonlinear device, and a resonator tuned to the desired harmonic of the input. A frequency shift of this filter induces in the output a phase variation, which is proportional to the selectivity of the filter. Striving for the highest possible Q values in this filter is therefore detrimental for phase stability. Nevertheless this is necessary with traditional distortion methods, for spectrum cleanup reasons, because they have little capability of selecting a desired harmonic. In fact, the best that can be done with them in this sense is to produce a nice and symmetric square wave, which has in principle no even harmonic content. In this paper we propose a new design philosophy, in which the distortion of the input sinewave is produced in such a way that most of the energy of the distorted signal is already in the desired harmonic before filtering. In this way the selectivity of the output filter can be greatly relaxed, and the phase stability of the multiplier stage correspondingly improved. The proposed nonlinear network is made of transistors used as current switch and current mirrors used as current amplifiers, and piecewise synthesizes a signal as similar as possible to the desired output sinewave by simply reversing and amplifying the signal at suitable points of the input period. By working in current we also hope to minimize the phase noise of the device.
Starting Page	824
Ending Page	829
File Size	423843
Page Count	6
File Format	PDF
ISBN	0780333098
DOI	10.1109/FREQ.1996.560261
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-06-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stability Power harmonic filters Resonator filters Harmonic distortion Switches Temperature Frequency conversion Frequency synthesizers Atomic clocks Signal design
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Frequency Synthesizers-A Survey of Techniques

An ultra-broadband, high resolution frequency synthesizer

Structure-functional schemes of wide-range frequency multipliers of sampled harmonic signals

A broadband, low phase noise, fast switching PLL frequency synthesizer

A New 9-GHz Synthesis Chain for Atomic Fountain Clocks

A series-resonant single-phase ac chopper

Spectral performance of frequency multipliers and dividers

The fast-tuned low phase noise source for C band

Ultra-low phase noise frequency synthesis chains for high-performance vapor cell atomic clocks

A new design philosophy for high phase stability odd order frequency multipliers

Similar Documents

Frequency Synthesizers-A Survey of Techniques

An ultra-broadband, high resolution frequency synthesizer

Structure-functional schemes of wide-range frequency multipliers of sampled harmonic signals

A broadband, low phase noise, fast switching PLL frequency synthesizer

A New 9-GHz Synthesis Chain for Atomic Fountain Clocks

A series-resonant single-phase ac chopper

Spectral performance of frequency multipliers and dividers

The fast-tuned low phase noise source for C band

Ultra-low phase noise frequency synthesis chains for high-performance vapor cell atomic clocks

A new design philosophy for high phase stability odd order frequency multipliers