# IRE Transactions on Component Parts

Includes the top 50 most frequently accessed documents for this publication according to the usage statistics for the month of

• ### Electrical Properties of Epoxy Resins

Publication Year: 1957, Page(s):110 - 113
Cited by:  Papers (8)
| |PDF (600 KB)

Power factor, loss factor, dielectric constant, volume resistivity, surface resistance, and dielectric strength of epoxies, varying in viscosity and reactivity and cured with several types of hardeners, have been determined and form the basis for this report. The effect of cure, temperature, and frequency on electrical properties also is presented. The importance of proper selection of resin, hard... View full abstract»

• ### Piezoelectric Materials, A Review of Progress

Publication Year: 1962, Page(s):193 - 211
Cited by:  Papers (12)
| |PDF (3072 KB)

This paper is a review of the properties of the more important piezoelectric materials. Section I discusses the basic principles of the phenomena of piezoelectricity and elasticity from the standpoint of crystal physics. Section II is a brief account of the electrical measurements of piezoelectric vibrators which are required to determine the basic parameters defining the piezoelectric, elastic an... View full abstract»

• ### The Photoreed-A New Versatile Frequency-Sensitive Control Element

Publication Year: 1962, Page(s):44 - 49
| |PDF (992 KB)

The photoreed performs the functions of resonant reed relays and tuning-fork filters or oscillators. The photoreed evolved from combining resonant reed and photoelectric principles, i.e., the action of light on a suitable photosensor to regulate the current through the photosensor and its load circuit. The photosensor is exposed to the light when the reed, acting as a shutter, vibrates. No electri... View full abstract»

• ### Realization of a Filter with Helical Components

Publication Year: 1961, Page(s):99 - 110
Cited by:  Papers (13)  |  Patents (6)
| |PDF (1728 KB)

In the VHF range, high-quality narrow-band filters with reasonable physical dimensions are extremely difficult to realize. Excessive pass-band insertion loss accompanies filters employing lumped constant elements, and unreasonable size is a natural consequence of coaxial-resonator filters. Harmonic crystal filters are inadequate because of the unpredictable amount of spurious modes above the harmo... View full abstract»

• ### A Simple, Exact Equivalent Circuit for the Three-Winding Transformer

Publication Year: 1962, Page(s):212 - 213
Cited by:  Papers (11)
| |PDF (264 KB)

An equivalent circuit is described for the three-winding transformer which is similar in form to the classical equivalent T of the two-winding transformer. As in the equivalent T, the performance of the circuit shown can be visualized and the elements of the circuit can usually be related to specific transformer constants. It is shown that the circuit is also exact. View full abstract»

• ### Lightweight Ceramic Materials as High-Frequency Dielectrics

Publication Year: 1957, Page(s):133 - 135
| |PDF (344 KB)

To eliminate some of the weight problems usually associated with ceramic dielectrics, lightweight (porous) ceramic materials have been developed which show excellent electrical properties at temperatures up to 800°C and a high strength-to-weight ratio. These materials generally are characterized by low-dielectric constant values, low loss, and a fiat temperature vs dielectric constant relatio... View full abstract»

• ### The Optimum Design of the Toroidal Resonator

Publication Year: 1962, Page(s):115 - 119
Cited by:  Papers (2)
| |PDF (672 KB)

The optimum design of a class of toroidal resonators which are capacitively loaded and therefore short in wavelengths is considered. The possibility of including magnetic cores with various types of air gaps is included and it is shown that below a certain critical size, which is a function of the magnetic merit factor, the net Q may be improved with the optimum material and the optimum air gap. E... View full abstract»

• ### Intermetallic Semiconductors

Publication Year: 1958, Page(s):129 - 141
Cited by:  Papers (1)
| |PDF (2216 KB)

The intermetallic semiconductors indium antimonide, indium arsenide, indium phosphide, gallium arsenide, cadmium telluride, mercuric telluride, and bismuth telluride are discussed. Methods of synthesis, purification and single crystal growth are described. Interesting properties of these compounds are examined, and some of their applications listed. View full abstract»

Publication Year: 1955, Page(s):44 - 60
Cited by:  Papers (2)
| |PDF (872 KB)

A system consisting of an input driving amplifier and resolver with shielded output cables used for transmitting the rotor voltages an appreciable distance to a resistive load is considered. This "R-C" loading is shown to affect the resolver function error and to change the time phase shift of output voltage. View full abstract»

• ### The Exact Design of Two Types of Single-Crystal, Wide-Band Crystal Filters

Publication Year: 1958, Page(s):46 - 52
| |PDF (824 KB)

It is shown how a low-pass ladder filter may be transformed to one of two equivalent band-pass, unbalanced, crystal filter structures with three poles and two transmission zeros. The first structure is the bridged T, previously discussed by Mason on an image parameter basis, and the second is a ladder filter. Either type may be designed on an exact insertion loss basis, and both types are equivale... View full abstract»

• ### Miniaturized High-Altitude, High-Temperature Connectors

Publication Year: 1956, Page(s):105 - 109
| |PDF (736 KB)

A new series of miniaturized multicontact connectors for high-temperature high-altitude conditions has been developed. The degree of performance achieved represents a considerable advance in the connector art. Both nonshielded and shielded contact designs have been incorporated in these connectors. Three exceptional features under extreme environmental conditions characterize these connectors: at ... View full abstract»

• ### Conductive Ceramics

Publication Year: 1958, Page(s):81 - 83
Cited by:  Papers (1)
| |PDF (416 KB)

This paper describes a representative selection of materials from the general class known as conductive ceramics. Specifically, the materials discussed are tin oxide, zirconium oxide, silicon carbide, and molybdenum disilicide. A table of some of the more pertinent physical, thermal, and electrical properties of each material is included. Some of the present applications of the materials are discu... View full abstract»

• ### A Distributed-Parameter Approach to the High-Frequency Network Representation of Wide-Band Transformers.

Publication Year: 1961, Page(s):23 - 30
| |PDF (1016 KB)

An approach to the high-frequency representation is developed from the point of view of distributed-parameter networks. This viewpoint may be directly employed to compute insertion or transmission functions. Alternatively, it provides a method for determining the element values for lumped-parameter equivalent circuits. This method is most easily applied to transformers having two winding layers wi... View full abstract»

• ### The Electromechanical Circulator

Publication Year: 1962, Page(s):81 - 85
Cited by:  Papers (1)
| |PDF (448 KB)

Three-channel passive circulators may be constructed about antireciprocal twoports whose parameters obey the restriction (Re Y11) (Re Y22) < (Re Y12)2. The characteristics of such circulators are derived in terms of the network parameters of the antireciprocal twoport. Expressions are presented for the required terminations, the driving-point admittan... View full abstract»

• ### A Recommended Standard Resistor-Noise Test System

Publication Year: 1960, Page(s):71 - 88
Cited by:  Papers (7)
| |PDF (2920 KB)

Summary--This paper describes a recommended standard resistor-noise test system, with the theory of operation given in considerable detail. The system provides for the measurement of a definitive resistor-noise quality Index. This Index, the "microvolts-per-volt" Index, is a modified form of the "conversion gain" index formerly used at NBS. The Index is a decibel expression for the number of micro... View full abstract»

• ### The Effective Leakage Resistance of Several Types of Capacitors

Publication Year: 1955, Page(s):3 - 9
| |PDF (504 KB)

A rate-of-charge method for measuring the effective leakage resistance of good quality, high valued capacitors is described. This method yields results rapidly and directly. The effective leakage resistance of various types of capacitors as a function of time of applied voltage at different temperatures was measured. A method for calculating the change in capacitance with time of applied voltage i... View full abstract»

• ### High Dielectric Constant Ceramics

Publication Year: 1959, Page(s):238 - 251
Cited by:  Papers (4)
| |PDF (2312 KB)

Currently available high dielectric constant ceramics enjoy certain special advantages for use in capacitor design. However, there are also severe limitations which must be well understood by engineers attempting their application. This paper summarizes the principal electrical characteristics, favorable or otherwise, of these materials and attempts to relate them to well-known basic dielectric pr... View full abstract»

• ### Aircraft Secondary Power Generator with Direct Compensation Frequency Control

Publication Year: 1959, Page(s):259 - 263
Cited by:  Papers (1)
| |PDF (720 KB)

The variable speed constant frequency alternator system provides accurate frequency control independent of the shaft speed. The method employed is completely electrical in contrast with the more conventional mechanical speed control systems. The principle of operation depends upon a constant angular velocity magnetic field in the alternator armature, the angular velocity being the vector sum of th... View full abstract»

• ### New Rugged Multicontact Connectors

Publication Year: 1958, Page(s):60 - 67
Cited by:  Papers (3)  |  Patents (1)
| |PDF (1184 KB)

Current and anticipated Army field tactics, requiring rugged communication ground equipment to withstand a wide range of environmental conditions such as humidity, temperature extremes, shock, vibration, sand, and mud, with a high degree of mobility, have established the need for a series of reliable general purpose, multicontact, power connectors which are capable of meeting these requirements. T... View full abstract»

• ### Polycarbonates as Capacitor Dielectrics

Publication Year: 1961, Page(s):89 - 93
| |PDF (608 KB)

Polycarbonates have interesting possibilities as materials for capacitor films. In mechanical and electrical properties, polycarbonates fall generally between polystyrene and Mylar, and possess an unusually low temperature coefficient of dielectric constant. They can be cast from solvent and can be metallized; hence, they are adaptable to lacquer film techniques. This paper reports a preliminary e... View full abstract»

• ### The Split-Feedback Push-Pull Magnetic Amplifier

Publication Year: 1961, Page(s):110 - 118
| |PDF (1088 KB)

This paper describes a high-gain phase-sensitive magnetic amplifier which simultaneously possesses the high-gain property of the self-saturating (100 percent positive feedback) amplifiers and the limited circulating current property of the low-gain zero feedback amplifiers. These features are obtained by using feedback windings to obtain the self-saturating large-gain property. However, the feedba... View full abstract»

• ### Negative-Impedance Converters

Publication Year: 1962, Page(s):33 - 38
Cited by:  Papers (2)
| |PDF (848 KB)

This paper is devoted to the device properties of the negative-impedance converter (NIC), the derivation of potential NIC circuits and their compensation in order to achieve an exact NIC. The behavior of the NIC as a function of frequency and means of extending its useful frequency range are presented. Attention is also devoted to the sensitivity of the NIC to variations in active and passive para... View full abstract»

• ### Solid Aluminum Electrolytic Capacitors with Etched Aluminum Foil

Publication Year: 1962, Page(s):53 - 57
Cited by:  Papers (1)
| |PDF (744 KB)

Some suggestions are made for further developments in the field of electrolytic capacitors using etched aluminum foils and solid electrolytes. Various laboratory-tested construction procedures are discussed in detail. The behavior of capacity, dissipation factor, and leakage is illustrated as the function of temperature and frequency during storage with and without current. It is shown that the pr... View full abstract»

• ### Film Resistors

Publication Year: 1962, Page(s): 214
Cited by:  Papers (1)
| |PDF (120 KB)

First Page of the Article
View full abstract»

• ### Titanium Printed Capacitors for Microminiaturization

Publication Year: 1961, Page(s):80 - 83
Cited by:  Papers (13)
| |PDF (576 KB)

It is shown in this paper that by an appropriate cleaning and forming procedure titanium metal can be anodically oxidized to a low leakage current, which makes it possible to use this material for capacitor fabrication. Experimental data are given for the metal/oxide/metal thin-film capacitor. A new "printing" technique especially suited for the fabrication of film capacitors in printed microminia... View full abstract»

• ### Electrohydrodynamic Components

Publication Year: 1961, Page(s):57 - 64
Cited by:  Papers (2)
| |PDF (1360 KB)

Motion of unipolar ions in insulating liquids creates strong coupling between electrical and hydrodynamic systems energy. This permits us to pump liquids directly with electrical power or to build up electrical energy from liquid motion. The phenomenon has been used to build high-impedance electrohydrodynamic components such as switches, relays, voltage regulators, voltage generators and dc transf... View full abstract»

• ### The Transient Effect in Capacitor Leakage Resistance Measurements

Publication Year: 1960, Page(s):106 - 112
| |PDF (792 KB)

Summary--The leakage resistance of capacitors as a function of time is a characteristic to be considered in the choice and control of capacitors, especially in many modern military electronics applications. This paper, by the use of transient circuit analysis, shows why most leakage resistance data accumulated in the electronics industry for capacitors are invalid. Valid data can be obtained by us... View full abstract»

• ### Transient Response of Variable Capacitance Diodes

Publication Year: 1960, Page(s):49 - 53
Cited by:  Papers (1)
| |PDF (464 KB)

A solution for the transient response of a reverse biased semiconductor diode to a step function (voltage) may be found by considering the junction essentially a voltage variable capacitance. The assumptions from which the analysis is made are given and found to be applicable in a wide variety of cases. Specific solutions are obtained for abrupt and linearly graded junctions, and experimental evid... View full abstract»

• ### Magnetism and the Rare-Earth Metals

Publication Year: 1959, Page(s):93 - 105
Cited by:  Papers (2)
| |PDF (2128 KB)

After a brief outline of the history of the discovery and separation of the rare-earth elements, the modern theory of paramagnetism is summarized, and its application to these metals is discussed, with particular attention paid to the way in which deviations from the simple laws of paramagnetism at low temperatures can yield information on the types of magnetic interaction which exist in them. The... View full abstract»

• ### The Physics of the Solid-State Maser

Publication Year: 1959, Page(s):81 - 93
Cited by:  Papers (1)
| |PDF (2048 KB)

Since the demonstration of the possibility of achieving very low noise amplification of signals in the centimetric wavebands, a great deal of work has been carried out in various laboratories with a view to producing and testing devices. The major part of the present article focuses attention on one particular device, the three-level solid-state maser. The physical principles underlying the proces... View full abstract»

• ### Problems in Long-Term Component Reliability

Publication Year: 1959, Page(s):62 - 81
| |PDF (3512 KB)

The motion of submerged repeaters during laying and pick-up in deep water has been investigated and the results are presented. An attempt has been made to gather together in a systematic way the very scattered references to long-term deterioration problems affecting the choice of materials of which components are made. Component testing procedure is discussed and special features of individual com... View full abstract»

• ### Current Noise and Nonlinearity in Carbon Resistors

Publication Year: 1958, Page(s):151 - 153
Cited by:  Papers (3)
| |PDF (424 KB)

The relationship between nonlinearity and current noise in carbon resistors is investigated. Results are given for seven different groups of resistors, and they show that there is a correlation between the nonlinearity of a resistor and its current noise: in general, noisy resistors are more nonlinear than quiet ones. The character of the relationship varies considerably among the types tested, an... View full abstract»

• ### Recent Advances in the Solid-State Electrolytic Capacitor

Publication Year: 1958, Page(s):72 - 75
Cited by:  Papers (4)
| |PDF (592 KB)

The tremendous interest in the solid-state capacitor is due to the cornbination of superior technical characteristics with very small size and large "bulk" capacity. Present literature shows 35 vdc and 85°C voltage and temperature limitations. Through the analysis of units made to operate at the extended limits of 100 vdc and 150&degC, a model has been proposed which serves to explain fou... View full abstract»

• ### A New Concept in Temperature-Rise Measurement of Transformers

Publication Year: 1958, Page(s):37 - 43
| |PDF (1080 KB)

Present methods of measuring transformer temperature rise require instrumentation with a high degree of accuracy, expensive temperature-control chambers, and relatively skilled operators. A new approach and method is described which provides equal or better accuracy while employing less accurate instruments, a lesser degree of operator skill, and without resorting to temperature-controlled test ch... View full abstract»

• ### Progress in Cadmium Sulfide

Publication Year: 1957, Page(s):129 - 132
| |PDF (648 KB)

Considerable progress has been made during the last two years in both the understanding and application of cadmium sulfide, which is an outstanding photoconductor material. Improved crystal growing techniques have resulted in large single crystals with more perfect crystal structure and higher purity. Further improvements in purity are sought by zone refining of cadmium and sulfur. Ultrasonic cutt... View full abstract»

• ### Transformer Design for Zero Phase Shift

Publication Year: 1957, Page(s):82 - 85
| |PDF (552 KB)

A design method for obtaining minimum phase shift between output and input of a transformer is described. The method is applicable to precision reference transformers employed in analog computers and servo loops where minimum quadrature voltages are mandatory. A rigorous analysis of the equivalent circuit of the transformer demonstrates that the transformer can be treated as a combination lead and... View full abstract»

• ### Arc Suppression for Relay Contacts in DC Service

Publication Year: 1957, Page(s):36 - 42
| |PDF (1024 KB)

Available relays for control of high-power direct current are seen to be large, heavy, and adversely affected by vibration and shock. This paper shows how commonly available components of reasonable size can be used with small vibration-resistant relays to control large direct currents at high potential. Thus, control of high-power airborne power supplies on the direct current side has become poss... View full abstract»

• ### Reliable Precision Wirewound Resistor Design

Publication Year: 1956, Page(s):116 - 119
| |PDF (720 KB)

The precision wirebound resistor has undergone fairly extensive design changes within the last four or five years. The old "open bobbin" style resistor has been completely replaced by the molded thermosetting plastic enclosed resistor. The new design is capable of performing at extremely low and high temperatures, and will withstand rugged environmental testing, such as salt water immersion, humid... View full abstract»

• ### Peaking Transformer on a New Principle

Publication Year: 1956, Page(s):66 - 68
| |PDF (416 KB)

Highly peaked voltages are obtained by connecting a linear reactor in series with a steeply saturating reactor free from magnetic joints, if the combination is excited with a sinusoidal voltage, and the saturable reactor is tapped for the peaked voltage. Similar results may also be obtained from a composite design with plenty of magnetic joints if the return magnetic circuit is arranged in two par... View full abstract»

• ### A Study of the Neon Bulb as a Nonlinear Circuit Element

Publication Year: 1956, Page(s):44 - 54
Cited by:  Papers (1)
| |PDF (1512 KB)

The ordinary NE-2 neon bulb possesses two-valued properties which make it valuable for use in logical gate circuits such as are used in digital computers. The cost of the NE-2 is of the order of $0.05 compared to an average unit cost of$1.00 for germanium diodes. In the logical gate application, circuit performance is relatively insensitive to parameter variations among bulbs. Both "or" and "and"... View full abstract»

• ### The Analysis and Design of Constant Voltage Regulators

Publication Year: 1956, Page(s):11 - 14
Cited by:  Papers (5)  |  Patents (1)
| |PDF (648 KB)

This paper is concerned with analysis and with the development of method for designing constant voltage regulators. A constant voltage regulator will give a more nearly constant output voltage regardless of a limited input variation. This type of regulator consists of an input inductor, a transformer, and condenser connected as shown in Fig. 1. The series inductor resonates with the capacitance an... View full abstract»

• ### Pulser Component Design for Proper Magnetron Operation

Publication Year: 1956, Page(s):26 - 31
Cited by:  Papers (5)
| |PDF (976 KB)

To obtain proper magnetron operation in a specified mode and reasonable life, it is necessary to control the rate that the applied voltage passes through the range within which magnetron oscillations can build up, and to control the amount of current available for this build-up. A method will be suggested for determining the required pulseforming network and pulse transformer characteristics, usin... View full abstract»

• ### Transformer Design Chart

Publication Year: 1955, Page(s):10 - 14
Cited by:  Papers (1)
| |PDF (480 KB)

This paper describes a transformer design chart by which the design of two winding, sixty cycle, low voltage transformers can be made without most of the time-consuming design procedures. Its use is intended for transformer design engineers; therefore, it provides only the winding information that varies for each design. A specific series of cores and operating conditions are assumed. The turns, w... View full abstract»

• ### An Introduction to Inorganic Dielectrics

Publication Year: 1959, Page(s):3 - 33
| |PDF (5104 KB)

The characteristic behavior of inorganic dielectrics under thermal, electrical, and mechanical stress is explained in terms of the atomic and molecular structure of matter. Nonconductors and conductors are treated as different areas of a continuous materials spectrum. The nature and properties of constituent raw materials in representative ceramic bodies are discussed. The chemistry of their combi... View full abstract»

## Aims & Scope

This Transaction ceased production in 1962. The current publication is titled IEEE Transactions on Components, Packaging, and Manufacturing Technology.

Full Aims & Scope