IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing

About IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing

About IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing

IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing — cited as IEEE Trans. Circuits Syst. II — was the brief-paper companion to the IEEE Circuits and Systems Society's flagship transactions during the period 1992 to 2003. It carried print ISSN 1057-7130 and electronic ISSN 1558-125X, was published by the Institute of Electrical and Electronics Engineers (IEEE), and in 2004 it was retitled IEEE Transactions on Circuits and Systems II: Express Briefs, the name under which the Part II lineage continues today. This profile covers the 1992–2003 title in its own right: researchers still cite its twelve volumes heavily, and understanding what Part II was for — short, complete, technically dense contributions — is essential to reading that literature correctly.

The two-part structure arose in 1992, when the long-running IEEE Transactions on Circuits and Systems was divided. Part I, retitled Fundamental Theory and Applications and later Regular Papers, took the full-length theoretical and archival papers. Part II took the briefs: concise papers, technical notes and narrow advances that could be stated completely in a few pages. That division was an editorial judgement about how electrical engineers actually communicate — some results are architectures or proofs that need thirty pages, and some are a circuit trick, a stability result, a converter topology or a signal-processing construction that loses force if it is padded out. Part II gave the second kind a first-class, rigorously reviewed home.

Today the title functions as a closed but living archive. Its papers on analog and digital filters, data converters, oscillators, nonlinear circuits and low-power design are still built upon, still assigned in graduate courses, and still cited in the Express Briefs literature that succeeded it. A reader who confuses the two titles will misdate papers, misread volume numbers and misunderstand page limits; a reader who knows the lineage can trace an idea from a 1990s brief to its modern, extended treatment in a few steps.

History and Place in the IEEE Circuits and Systems Lineage

The parent journal, IEEE Transactions on Circuits and Systems, served the circuits community from the 1950s onward and grew with the field itself — from network theory and filter synthesis through integrated-circuit design to digital signal processing. By the early 1990s the volume and diversity of submissions made a single transactions unwieldy. The 1992 split into Part I and Part II, mirrored in several other IEEE societies at the time, let each part develop its own editorial identity, reviewer pool and expectations about length and completeness.

Part II's identity was brevity with completeness. A brief was not a preliminary announcement or an extended abstract: it was expected to contain enough analysis, simulation or measurement for a specialist to judge and reuse the result, within a tight page budget. That discipline shaped a distinctive literature — papers that state a topology and its key equations, report the decisive simulation or silicon result, acknowledge the main limitation, and stop. Modern readers, accustomed to longer online papers, often find the compression bracing, and frequently find that the essential idea is easier to extract from a four-page brief than from a later, expanded version.

In 2004 the retitling to Express Briefs made the format explicit in the name and adjusted the editorial model toward faster handling of short papers. The successor carries different ISSNs (1549-7747 and 1558-3791) and a new volume sequence, and it is catalogued on this site as its own record. The change of name did not change the underlying bargain with readers: short papers, full review, and a focus on circuits and systems results that can be communicated completely and quickly.

Scope: What Part II Published

Analog circuit design

Analog integrated circuits were the core of Part II. Papers covered operational amplifiers and transconductance amplifiers, comparators, voltage and current references, continuous-time and switched-capacitor filters, oscillators, phase-locked loops, mixers and low-noise front ends. Both bipolar and CMOS realisations appear, reflecting a decade in which CMOS moved from a digital technology borrowing analog techniques to the default platform for mixed-signal integration. Low-voltage and low-power design recur throughout the archive, driven by portable equipment and by supply voltages that fell steadily across the 1990s.

Digital circuits and digital signal processing

The second half of the title was equally substantive. Part II published digital filter structures, finite-wordlength analysis, multirate processing, adaptive algorithms in compact form, arithmetic circuits, memory and logic design contributions, and hardware realisations of signal-processing algorithms. The boundary between a circuits paper and a signal-processing paper was deliberately porous: an algorithm presented with its VLSI realisation, area and power figures, and measured or simulated performance belonged naturally in Part II, whereas a purely algorithmic treatment without a circuit dimension would usually be directed elsewhere.

Nonlinear, network and systems contributions

A third strand preserved the older network-theory heritage of the parent journal: nonlinear circuit analysis, chaotic circuits and their synchronisation, neural-network hardware, stability and bifurcation results, and modelling of devices and interconnect. These papers are among the most cited in the archive, because a compact nonlinear result — a new chaotic oscillator circuit, for example — can be reproduced and extended by many groups. Chua-circuit variants and related oscillators are a visible example of a Part II topic that generated a literature far larger than the original briefs.

Data conversion and mixed-signal topics

Analog-to-digital and digital-to-analog converters, sample-and-hold circuits, sigma-delta modulators and the mixed-signal test and calibration techniques around them formed a growing share of the journal through the late 1990s, as communications and consumer electronics demanded integrated conversion. Papers typically report resolution, sampling rate, power and area together — the combination of figures of merit by which converter work is still judged — and the archive is a useful record of how those trade-offs moved as processes scaled.

How to Read a Part II Brief

Because briefs compress, they assume a specialist reader. Background is cited rather than rehearsed, standard derivations are sketched, and simulation conditions may be given in a line that a newcomer needs to unpack carefully. When reading for reuse, extract four things: the exact circuit or algorithm, the process or model assumptions behind the numbers, the conditions of any measurement, and the limitation the authors themselves flag. If a later paper extends the work, compare those four items first; apparent improvements sometimes rest on a changed assumption rather than a better circuit.

Volume and date discipline matters. Part II volume 39 corresponds to 1992 and the sequence runs to volume 50 in 2003; citations that give a Part II Analog and Digital Signal Processing reference with a date after 2003, or an Express Briefs reference before 2004, should be checked against IEEE Xplore, where the authoritative record for every paper — including corrections — is maintained. DOI-based linking resolves most such puzzles immediately.

Indexing, Citations and Standing

The journal was indexed in the major engineering and science indexes of its period, including IEEE Xplore as the publisher's own full-text archive, Inspec, and the Science Citation Index family, and its papers remain discoverable through those services today. Citation counts for individual Part II papers can be substantial, but any single journal-level figure attached to a closed title should be handled with care: metrics calculated for the successor title do not describe the 1992–2003 journal, and listings that present one continuous metric across the retitling are merging two catalogued titles. Judge a Part II paper by its own citations, its venue's reputation among circuits specialists, and — above all — by whether its result still checks out.

Within electrical engineering, the IEEE Transactions titles of the Circuits and Systems Society have long been regarded as archival journals of record: publication there signals that a result passed demanding specialist review and is expected to remain citable for decades. Part II shared that standing, with the additional reputation that its briefs were a fast way — by the standards of print-era publishing — to establish a compact result in the open literature.

For Authors Today: Using This Record

Authors cannot submit to the 1992–2003 title; new brief-length circuits work belongs to the successor, Express Briefs, or, at full length, to Part I, Regular Papers. This profile is nevertheless directly useful to submitting authors, because reviewers of the successor expect familiarity with the Part II archive. A submission that reinvents a topology published as a 1990s brief, or that fails to cite the brief on which its comparison table depends, will be returned to its authors. Search the archive by circuit function and by author as well as by keyword, since terminology for the same structure has changed over thirty years.

How to Assess Fit Before Submitting

Fit for IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing should be judged first on scope, then on evidence, and only last on metrics. A manuscript that solves a problem the journal's readers recognise, using methods those readers can check, will travel further in review than a technically competent paper aimed at the wrong audience. Read at least eight to ten recent items in Part II before drafting: note how introductions frame the problem, how much background editors expect, how results are separated from interpretation, and how limitations are stated. That reading is not imitation for its own sake; it reveals the conversation your paper is joining.

Second, check the practical record. Confirm the title and ISSNs on the publisher's own site, confirm the current editor and submission route there rather than through an emailed invitation, and confirm indexing claims in the index itself. Journals with long histories, society owners or predecessor titles — as is the case for several titles in this batch — are especially prone to being misdescribed by third-party listings that merge different eras into one record. Separating what belongs to this title, in these years, under these ISSNs, from what belongs to a predecessor or successor is the single most useful verification step a prospective author can take.

Third, be honest about what citation indicators can and cannot tell you. An h-index or a two-year citation average summarises a whole journal over a window; it does not predict the fate of one manuscript, and it says nothing about whether the right specialists will read it. For brief, clinical, professional or multidisciplinary work, the more meaningful questions are often simpler: will the people who need this result find it here, will they trust the review it received, and will the record remain stably citable with a permanent identifier and a preserved archive?

Peer Review, Ethics and Research Integrity

Like other established peer-reviewed titles, Part II depends on reviewers who are independent of the authors and on editors who can set aside a conflicted submission. Authors should disclose funding, competing interests, prior posting as a preprint where the journal's policy addresses it, and any overlap with earlier publications. Data, code, materials and clinical details should be described in enough depth for a competent reader to judge — and, where the field expects it, to reproduce — the work. Image preparation, statistical reporting and authorship contributions deserve the same care as the headline result.

Research involving people or animals carries additional duties. Clinical and pharmacy-practice work should state ethics approval and consent arrangements; veterinary work should state animal-owner consent and institutional approval where applicable; and studies involving students, patients or identifiable records should explain how privacy was protected. Editors may ask for those statements after review if they are missing, and a missing statement is a common, avoidable cause of delay. Plagiarism screening, duplicate submission and salami publication — splitting one study into the smallest possible papers without disclosure — damage trust in a literature that practitioners rely on, and reputable journals treat them seriously.

Corrections are part of a healthy record. If an error emerges after publication, contact the editor promptly with a clear account of what is wrong and what should change. A transparent correction protects the authors as well as the readers, and journals that maintain a visible archive make that process possible years later.

Reading the Archive Productively

The archive of Part II rewards reading by problem rather than by date. Start from a recent paper close to your question, follow its references backward to the work it builds on, and then follow citations forward to see whether later authors confirmed, qualified or overturned it. For topics such as converter design, chaotic oscillators and low-power analog techniques, a single paper is rarely the last word: methods improve, populations differ, and a result that held in one setting may need qualification in another. The value of a long-running journal is precisely that those layers remain visible in one place.

For circuits and systems researchers, analog and mixed-signal designers, and graduate students in electrical engineering, the archive also functions as a record of what the field once thought was settled. Older papers show the vocabulary, the standard methods and the open questions of their time. Comparing an older treatment with a recent one is an efficient way to learn why current practice looks the way it does — and to spot questions that were set aside rather than answered, which are often the most productive questions to reopen with modern tools.

Frequently Asked Questions

Is IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing the same journal as its predecessor or successor titles?

No, not for citation purposes. Related titles in a lineage share editors, societies and subject matter, but each title carries its own ISSNs, its own volume sequence and its own citation record. Cite the title exactly as it appeared on the paper you used, and check a library catalogue or the ISSN record if a listing appears to merge two titles into one. Where this profile describes a lineage, it does so to help readers navigate that record, not to blur it.

How can I verify that a listing for this journal is trustworthy?

Work from the publisher or society site outward. The official site should name the title, the responsible editor or society, and a submission route that matches the one linked from recognised indexes. Be cautious with unsolicited email invitations that promise rapid publication for a fee, use a title that is close to but not identical with the real one, or list an editorial board without the members' knowledge. Those approaches are a known problem across scholarly publishing and are not how established journals recruit papers.

Does the journal charge authors?

Article charges, page charges, membership expectations and subscription arrangements vary by journal and can change over time, and they are not publicly disclosed in a consistent way for every title covered here. The only reliable source is the publisher's current author guidance, checked at the moment of submission. Do not rely on a fee figure quoted by a third-party site, and do not pay any charge requested through an unofficial channel. If a charge matters to your decision, confirm it — and what it covers, and what waiver or society-membership arrangements exist — before you submit, not after acceptance.

In what language does the journal publish?

Language policy is specific to each title and is described in the main body of this profile where it could be verified from official sources. Several long-running national and society journals publish primarily in their national language with English titles, abstracts or full bilingual presentation, which widens local professional readership while keeping papers discoverable internationally. Check the current guidance, prepare titles and abstracts carefully in the required languages, and treat translation quality as part of scientific quality.

How long does review take?

Review time depends on reviewer availability, the need for specialist statistical or clinical comment, and how completely a manuscript follows the journal's requirements on arrival. A specific turnaround figure is not publicly disclosed in a verifiable, current form for every title here, so this profile does not invent one. Authors can reduce avoidable delay by submitting a complete manuscript — correct article type, required statements, legible figures and tables, and references in the journal's style — and by responding to revision requests point by point.

A Final Verification Checklist

Before citing or submitting to IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, confirm: the exact title and ISSNs against the publisher's site; the years and volumes that belong to this title rather than to a related one; the current editor and submission system through the official route; indexing in the index itself rather than in a copied list; language, article-type and ethics-statement requirements in the current author guidance; and any charges directly with the publisher. That short routine, repeated each time, protects authors from the most common errors in a crowded and sometimes confusing journal landscape — merged titles, stale metrics, copied scope statements and unofficial submission sites.