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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.
  • 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
  • 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.
    systems. Lately, however, researchers have begun to see acoustic and electromagnetic waves in a whole new light, turning their attention to therapeutic rather than diagnostic applications. Current research is exploiting the ability of radio-frequency (RF), micro-, and ultrasonic waves to generate heat
  • 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
    There are many ways to alter the characteristics of ultrasonic waves in a liquid contained in a tank. The ultrasonic waves can be frequency modulated (FM) by varying the output frequency of the ultrasonic generator. The ultrasonic waves can be amplitude modulated (AM) by changing the amplitude
  • 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
  • Typical Performence Curves Of The RG3000
    The Ring Generator application note contains eight figures: FIGURE 1. Transient response of the RG3000 from 50% full load to 100% full load, V0 = 200Vdcp; FIGURE 2. Transient response of the RG3000 (Negative); FIGURE 3. Sine wave riding on a 48V bus (See Figure 5); FIGURE 4. Turn on delay
  • Industrial encoder integrates bearing and sensor functions
    for automotive ABS applications, eliminates the need for an extra gear-tooth sensor or rotary-pulse generator. Simple bolt-on installation requires no extra brackets or couplings, and the air gap reportedly can't go out of adjustment. The sensors are built on Fafnir Survivor PT bearing platforms, which

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