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IEEE Transactions on Electron Devices

Issue 10 • Oct. 1979

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Displaying Results 1 - 25 of 53
  • [Front cover and table of contents]

    Publication Year: 1979, Page(s): c1
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    Freely Available from IEEE
  • Foreword

    Publication Year: 1979, Page(s):1389 - 1390
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  • High-voltage DC power conditioner

    Publication Year: 1979, Page(s):1391 - 1393
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (568 KB)

    Modern radar systems, particularly mobile systems, require high-quality, compact, lightweight, dc power sources. High frequency (e.g., 10-kHz) power conditioners have been used to obtain the desired qualities. By adapting a variation of the series inverter circuit, liberally infused with artificial line-type pulse modulator technology, an effective, simple, and high-performance technique has been ... View full abstract»

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  • Power system for a high-power burst mode pulsed load

    Publication Year: 1979, Page(s):1394 - 1400
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1184 KB)

    A novel power system, recently completed and commissioned, is described. Operating directly from an ll-kV, 50-Hz public supply, it provides the electrical energy for a burst mode, pulsed load. In each burst, the minimum energy delivered by the power system is 100 kJ at a rate of 330 kW. The pulse modulator operates at a peak charge of 105 kV and is capable of switching 200 MW over a range of pulse... View full abstract»

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  • A review of high-power switch technology

    Publication Year: 1979, Page(s):1401 - 1411
    Cited by:  Papers (7)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1312 KB)

    The basic operation and some of the performance parameters and limitations of various high-power switches with potential for rep-rated operation are summarized. The specific switches included are: thyratrons, ingitrons, liquid metal plasma valve, crossed field tube, vacuum tube, spark gaps (gas, liquid, vacuum, and solid), thyristors, transistors, mechanical switches, vacuum arc opening switch, el... View full abstract»

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  • High repetition rate burst-mode spark gap

    Publication Year: 1979, Page(s):1411 - 1413
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (560 KB)

    Results are presented on the design and testing of a pressurized gas blown spark-gap switch capable of high repetition rates in a burst mode of operation. The switch parameters which have been achieved are as follows: 220 kV, 42 kA, a five-pulse burst at 1 kHz, 12-ns rise time, 2-ns jitter at a pulsewidth of 50 ns. View full abstract»

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  • Multichannel surface spark gaps

    Publication Year: 1979, Page(s):1414 - 1417
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (424 KB)

    A study has been undertaken on high-pressure surface discharge switches potentially capable of moderate repetition rate operation. The parametric experiments reported were carried out utilizing the gaps as transfer switches, under pulse charging conditions, between several types of low-impedance transmission lines and a high-pressure rare-gas halide laser discharge, acting as the load. The effects... View full abstract»

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  • Development of a 100-kV multimegawatt repetition rate gas switch

    Publication Year: 1979, Page(s):1417 - 1422
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (688 KB)

    A 100-kV gas switch has been developed and tested which is capable of controlling 5-MW average power when operated up to 250- pps repetition rate. Recovery of the switch voltage holdoff capability after each discharge was accomplished by providing both a 1-ms grace period during which no voltage is reapplied, and by continuously purging the switch with 40-psig pressurized air at flow rates up to 6... View full abstract»

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  • Time-resolved resistance during spark gap breakdown

    Publication Year: 1979, Page(s):1422 - 1427
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (635 KB)

    The breakdown voltage and the time derivative of the current through a spark gap terminating a transmission line were measured as a function of 4 gas species, 3 gap pressures, and 2 gap spacings. From these measurements, the time-varying channel resistance, the power, and the energy dissipated in the discharge can be determined for the first 1500 ps of breakdown. Data were obtained with a 74-cm-lo... View full abstract»

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  • New developments in super-fast, high-power, hydrogen thyratron switching

    Publication Year: 1979, Page(s):1427 - 1438
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1410 KB)

    Design criteria for hydrogen thyratrons operating at fast rates of current rise (di/dt), high anode voltages (epy), and high peak currents (ib) have been theoretically and experimentally determined. The approach was to divide the investigation into two basic areas. The criteria for achieving highdi/dtwere first established at relatively low voltages. The... View full abstract»

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  • The MAPS-40 burst-mode 40-kV megawatt average power hydrogen thyratron

    Publication Year: 1979, Page(s):1438 - 1443
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (888 KB)

    A hydrogen thyratron capable of switching 40 kV and 40 kA in repetitive bursts at the 1-MW average power level is described. Major design problems were obtaining the necessary forward and inverse holdoff capability and controlling the thermal and mechanical effects of the several kilowatts of operating dissipation encountered at this power level. A conventional external anode, planar-electrode, ce... View full abstract»

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  • The plasma-heated thyratron

    Publication Year: 1979, Page(s):1444 - 1450
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1112 KB)

    An instant-starting hydrogen thyratron is described which incorporates a cathode requiring no warmup time, no standby power, and no separate heater power supply. Starting cold, time jitter is less than 1 ns; anode delay time is less than200 ns; and the 0-30-s anode delay time drift is less than 100 ns. The cathode is a self-heating design made of impregnated tungsten. Even when cold, it provides s... View full abstract»

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  • Double-ended thyratrons in high-power burst mode pulse modulator applications

    Publication Year: 1979, Page(s):1451 - 1455
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (664 KB)

    The use of four-gap double-ended thyratrons in a 30- to 100-µs pulse modulator is described. The PFN-type modulator operates at 105-kV peak, charged from the 11-kV public supply, and powers an ill-matched and potentially unreliable load directly at 30 to 70 kV without a pulse transformer. The maximum repetition rate is 200 pps. The completed modulator has been delivered to the customer and su... View full abstract»

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  • Double-ended hydrogen thyratrons for crowbar protection of high-power TWT systems

    Publication Year: 1979, Page(s):1456 - 1461
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (949 KB)

    The doubt-ended multigap ceramic thyratron is a versatile switch for crowbar applications. It will provide protection over a very wide range of HT voltages and will operate within a submicrosecond time delay. Since the tube operates in a normal nondestructive "thyratron mode" it will fire reliably for many millions of shots. Practical crowbar conditions can be complex, in particular with floating-... View full abstract»

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  • Complete characterization studies provide verification of RBDT(RSR) reliability

    Publication Year: 1979, Page(s):1462 - 1468
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1088 KB)

    This paper presents the latest characterization information available for a two-terminal, high-speed, solid-state switch previously called the RSR (Reverse Switching Rectifier) but presently referred to as the RBDT (Reverse Blocking Diode Thyristor). Studies of the RBDT have been continuing, leading to broader pulse loss characterization than had previously been available. Loss characterization an... View full abstract»

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  • Optical drive requirements for laser-activated semiconductor switches

    Publication Year: 1979, Page(s):1469 - 1472
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    Laser-activated semiconductor switch (LASS) devices of the thyristor type exhibit three regimes of operation. At low optical drive, optical triggering is obtained with delay time before conduction and relatively low current rise rates. At intermediate drive levels, fast switching is obtained with no appreciable delay time and fast current rise rates (greater than 109A/s) but with substa... View full abstract»

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  • Operating characteristics of the crossed-field closing switch

    Publication Year: 1979, Page(s):1472 - 1482
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1720 KB)

    The function of the crossed-field closing switch (CFCS) has has been studied over a wide range of variables. Three different modes of conduction have been observed: the conventional crossed-field discharge, a hybrid hollow-cathode discharge, and the vacuum arc. Depending on the amplitude and duration of the current, conduction may typically pass through these modes in the above sequence. The CFCS ... View full abstract»

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  • A repetitively operable, high-current interrupter

    Publication Year: 1979, Page(s):1482 - 1490
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1008 KB)

    A series of fast-acting and repetitively operable bimodal gas discharge switches capable of both the initiation and the interruption of high pulse currents at high-voltage levels has been designed, built, and tested. Based on hydrogen thyratron technology, these switches retain most of the characteristics of thyratrons when switching from the open to the closed state. In addition, the interruption... View full abstract»

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  • Magnetically controlled vacuum-arc on-off switch

    Publication Year: 1979, Page(s):1491 - 1496
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (712 KB)

    A vacuum spark gap is demonstrated which attains high-power switch-off capability by a magnetic control field applied to the anode in a Penning-type discharge geometry. Applying the magnetic field raises the arc voltage and excites oscillations. Circuit interruption results if the arc current is reduced to the current chopping level of the cathode material. Shunt capacitance raises the interruptio... View full abstract»

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  • An all solid-state modulator for the ARSR-3 transmitter

    Publication Year: 1979, Page(s):1496 - 1499
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (808 KB)

    This paper describes an all solid-state, high-power pulse modulator used in the ARSR-3 system (an FAA air route surveillance radar system). The modulator, the culmination of a number of years of both device and circuit development, uses fast switching Reverse Blocking Diode Thyristors (RBDT's) to directly switch 14-MW, 3-µs video pulses at high current without the use of magnetic switching ai... View full abstract»

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  • Compact megawatt average power burst pulse generator

    Publication Year: 1979, Page(s):1500 - 1502
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    A compact, lightweight, burst mode pulse generator has been designed and evaluated at a megawatt of average power. The modulator occupies a volume of 0.81 m3and weighs 225 kg. The recently developed MAPS-40 thyratron [1] and two high-energy density pulse-forming networks [2] (PFN) are used as the switch and energy store. A solid-state end-of-line clipper circuit is included and was foun... View full abstract»

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  • Operation of a 300-kV, 100-Hz, 30-kW average power pulser

    Publication Year: 1979, Page(s):1503 - 1508
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (608 KB)

    Applications for efficient and reliable pulse power systems with long lifetimes (>108shots) are foreseen for electron-beam generators, ion-beam accelerators, and lasers leading eventually to inertially confined fusion reactors. These systems will have to be capable of continuous operation for sustained periods without requiring major maintenance or repair. High operating efficiency w... View full abstract»

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  • Modulator charging system upgrade for a 5-MeV electron acceleration

    Publication Year: 1979, Page(s):1509 - 1511
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (456 KB)

    The Lawrence Livermore Laboratory is currently constructing a new linear induction accelerator with a higher beam current than the Astron [1] accelerator. The new accelerator, called the Experimental Test Accelerator (ETA) will be a 5-MeV, 10-kA accelerator with a pulsewidth of 50 ns. Like the Astron, the principle of magnetic induction is used to obtain a linear accelerator. The modular accelerat... View full abstract»

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  • Off-resonance transformer charging for 250-kV water blumlein

    Publication Year: 1979, Page(s):1512 - 1517
    Cited by:  Papers (6)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (816 KB)

    An off-resonance transformer for charging a 250-kV Blumlein system provides a viable alternative to other charging schemes by permitting the use of conventional thyratrons. Such a transformer must have reliability, a reasonable voltage stepup, and a nonreversing primary current. This paper presents the analysis, design, and performance data for such a transformer. The strong interrelationship betw... View full abstract»

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  • High-voltage pulser development

    Publication Year: 1979, Page(s):1518 - 1523
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    This paper highlights the development of a pulse generator that utilizes a single, midplane, triggered spark gap (TSG) to discharge a p ulse-forming network (PFN) into a CS2laser cavity load. The PFN is a four-section line pulser. When charged to 116 kV, it can discharge 300 J in 700 ns, full width half maximum (FWHM). The system operates at 0 to 50 pps. In designing the PFN inductors, ... View full abstract»

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Aims & Scope

IEEE Transactions on Electron Devices publishes original and significant contributions relating to the theory, modeling, design, performance and reliability of electron and ion integrated circuit devices and interconnects.

 

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Giovanni Ghione
Politecnico di Torino,
10129 Torino, Italy

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email giovanni.ghione@polito.it