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  • Design of an Ultra-Wideband High-Power-Microwave Traveling-Wave Antenna
    In this article we discuss the design and implementation of high-power-microwave (HPM) traveling-wave antenna. The antenna is designed to be driven by a high-power, single-shot signal generator with 1 ns pulse-width at the. -3 dB power points, and peak voltage of up to 100 kV.
  • Sleep Mode For Function Generators
    and the LATCH input is slowly pulled up. In the sleep mode the sine and triangular waveform outputs will be around zero volts. The square wave output will depend on the output offset of the sine waveform, which will be either a high or a low value.
  • Medical Device Link . The Next Wave in Minimally Invasive Surgery Research is heating up in the area of RF, microwave, and high-frequency ultrasound for use in therapeutic devices.
    strengths and weaknesses that will define their use and determine their market niches. Figure 1. Somnus Medical Technology's (Sunnyvale, CA) Somnoplasty system includes an automated RF generator with temperature monitoring and a suite of disposable surgical handpieces that deliver controlled thermal
  • Analog on the fly
    for an LVDT consists of a 2.5 kHz sine-wave generator, low-pass filters, rectifiers, and summing amplifiers, all of which are implemented in an FPAA. The AN10E40 FPAA offers 20 configurable analog blocks (CABs). Each CAB contains an op amp, comparator, five switchedcapacitor arrays, and other
  • Sometimes it pays to be eccentric
    There's more than one way to get high positional accuracy, minimal backlash, and high reduction rations in small packages. An unassembled harmonic-drive gear from HD Systems Inc., Hauppauge, N.Y., shows the three main components. The reducer includes a wave generator, far left, which engages
  • Designer Waveforms: Ultrasonic Technologies to Improve Cleaning and Eliminate Damage
    of the generator output and/or by tailoring the impedance versus frequency characteristics of the transducer array. A frequency modulated ultrasonic wave can be amplitude modulated. This is the most general case of "designer waveform" for a single generator driving a single transducer array. Multiple
  • It's a gas, gas, gas
    electronic controls have fueled this wave of progress. Gas generators provide consistent, reliable, on-site supplies of gases that are instantly ready for use. And since gas generators eliminate the need to store gases, they also do away with injuries caused by lifting and dropping heavy metal cylinders
  • Plugging Into The Ocean
    Engineers are developing clean, renewable sources of electricity that rely on the constantly moving ocean and its tides. An onshore installation collects wave energy, converting it to pressurized air and then to electricity. >Four fixed vertical blades connect to a rotor shaft that drives

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