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Power amplifier (PAThreshold voltage optimizationTunable body biasingVariabilityIn this work, variation in threshold voltage is optimized for tunable body biasing CMOS power amplifier (PA). A two stage tunable biasing circuit is designed and integrated with class AB PA which impr...
The femtosecond laser system consisted of an oscillator (Vitesse 800) and an amplifier (Legend Elite), both from Coherent Inc., with a frequency-doubling external beta barium borate (BBO) crystal; it yielded 100 fs pulses at 400 nm, with a repetition rate of 1 kHz and pulse energy of up...
The wavelength of the pump laser was tuned by an optical parametric amplifier (Light conversion, TOPAS). For the optical pumped lasing experiments, the laser pulses were focused by a cylindrical lens (with focal length ¼ 20 cm) into a stripe with a spot size of B5 mm  0.2 mm (...
A brake pressure control device for a road vehicle with a hydraulic brake system has a pneumatic braking force amplifier which is provided with a switch-over device which switches ever the braking force amplifier to operation with increa... J Nell,M Steiner,G Coermann - US 被引量: 106发表...
Successful implementation of fast preamplifiers in a positron lifetime spectrometer. Fast photomultiplier tubeFast preamplifierPositron lifetime spectrometerA method to improve the long-term stability of fast coincidence apparatuses, like a ... Nissilä,J.,Rytsölä,... - 《Nuclear Instruments &...
6014249 Apparatus and method for the generation of high-power femtosecond pulses from a fiber amplifier 2000-01-11 Fermann et al. 359/341 5956448 Optical fiber waveguide 1999-09-21 Smolka et al. 385/124 5933553 Arrangement for transmitting and receiving optical signals 1999-08-03 Ziemann 385/...
The coefficient m generator may comprise an inverting amplifier 405. The variable -m of the inverting amplifier 405 varies depending upon the driving torque on the wheels. By employing driving torque depending feature in derivation of the coefficient m, variation rate of the approximated vehicle spee...
W.AYLWARD Table I Recording conditions used for the STR, b-wave and OPs STR b-wave OPs Flash rate (Hz) 0.5 Range of attenuation (logunits) 6.9-4.5 (approx) 4.2-1.2 (approx) 1.2-0.0 Amplifier gain 100,000 10,000 100,000 Filter range (Hz ) 0.5-300 0.5-300 100-300 Recording epoch...
amplifier (Coherent Legend, 800 nm, 150 fs). The amplifier was seeded by a mode-locked Ti-sapphire oscillator (Coherent Vitesse, 100 fs, 80 MHz). The white light continuum probe beam (in the range from 400 to 850 nm) was generated from a 3-mm sapphire crystal using 800-...