## Filter Results

Displaying Results 1 - 13 of 13
• ### Information explosion

Publication Year: 1964
| |PDF (108 KB)

First Page of the Article
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• ### Institution notices

Publication Year: 1964
| |PDF (148 KB)
• ### Stereophonic broadcasting and reception

Publication Year: 1964, Page(s):399 - 416
| |PDF (2042 KB)

A brief survey of various systems for stereophonic broadcasting which have been proposed in recent years is presented. The pilot-tone (Zenith-G.E.) system, which has been adopted for stereophonic broadcasting on v.h.f. in the U.S.A., is considered in more detail. The design of receivers for this system is discussed, with particular reference to the requirements for minimizing susceptibility to int... View full abstract»

• ### Double-sideband parametric conversion using non-linear resistance and capacitance

Publication Year: 1964, Page(s):417 - 424
Cited by:  Papers (1)
| |PDF (682 KB)

The power gain of a double-sideband up-converter using both non-linear resistance and capacitance is found. With the assumption that the second-harmonic components of resistance and capacitance are zero, it is shown that if the elements are pumped in quadrature the forward gain can be made arbitrarily high with coldÂ¿ tuning whilst the reverse gain is zero. Furthermore it is shown that unidirecti... View full abstract»

• ### Parametric up-conversion by the use of non-linear resistance and capacitance

Publication Year: 1964, Page(s):425 - 434
| |PDF (964 KB)

The power gain of parametric up-converters using both nonlinear resistance and capacitance is found for the condition of conjugate matching at the output termination only. It is shown that for the elements pumped in quadrature it is possible to obtain input impedances with a negative real part, and that under these conditions the gain may be arbitrarily large in principle for any value of pump fre... View full abstract»

• ### Parametric amplifiers and converters with pumped inductance and capacitance

Publication Year: 1964, Page(s):435 - 439
Cited by:  Papers (1)
| |PDF (515 KB)

It is shown that when both inductance and capacitance are pumped in a parametric amplifier or converter, a special kind of resonance involving only the variable parts of the L and C may occur and produce null responses. An equivalent circuit has been devised for the up-converter, in which an idealized frequency-converter appears. Doublesideband converters are also briefly considered. View full abstract»

• ### Discussion on some new possibilities in parametric circuits, held in London on 10th March 1964

Publication Year: 1964, Page(s):439 - 441
| |PDF (363 KB)
• ### Joint Symposium on Â¿signal processing in radar and sonar directional systemsÂ¿

Publication Year: 1964, Page(s):442 - 445
| |PDF (444 KB)

First Page of the Article
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• ### The digital analysis of electron-optical systems

Publication Year: 1964, Page(s):446 - 454
Cited by:  Papers (2)
| |PDF (1117 KB)

Very accurate methods which are particularly suitable for use on digital computers are described for the analysis of electron-optical systems having cylindrical symmetry. The electric fields are determined using a highly convergent iterative method, and the magnetic fields are determined from analytic expressions fitted to physical measurements of the fields along the axes of the systems. The equa... View full abstract»

• ### A novel ferrite quarter-wave plate

Publication Year: 1964, Page(s):455 - 458
Cited by:  Papers (2)
| |PDF (358 KB)

Coupled-wave theory is applied to make an adjustment to the length of an elliptical Faraday rotator to obtain a ferrite quarter-wave plate with non-reciprocal properties. A ferrite rotator can be interposed between two such quarter-wave plates and matrix algebra used to obtain a new reciprocal ferrite phase shifter. A pulsed 180 deg non-reciprocal phase shifter is also described. View full abstract»

• ### Some bandwidth compression systems for speech transmission

Publication Year: 1964, Page(s):459 - 471
| |PDF (1486 KB)

The nature of speech is discussed, and the channel capacity required for transmitting speech signals by conventional means is considered. A review is given of methods which have been suggested by various workers for processing the speech signals so that they may be transmitted over channels of lower capacity. A description is given of a simple formant trackerÂ¿ for speech analysis, using a system... View full abstract»

• ### Discussion on "Some bandwidth compression systems for speech transmission"

Publication Year: 1964, Page(s):471 - 472
| |PDF (288 KB)
• ### Author's reply to the discussion on "Some bandwidth compression systems for speech transmission"

Publication Year: 1964
| |PDF (151 KB)

## Aims & Scope

Published from 1963 to February 1964 by the British Institution of Radio Engineers and from March 1964 to 1984 by the the Institution of Electronic and Radio Engineers, The Radio and Electronic Engineer published papers describing original research and development in all branches of electronic engineering, as well as critical and interpretive surveys. Short contributions dealing with device technology, circuit techniques and experimental methods were also included.

Full Aims & Scope