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LT1633 LT1633

Artículos

• Descargar
  Low-Distortion Sine Wave Oscillator with Precise RMS Amplitude Stability &mdash LT Journal
  PDF, 111 Kb, Archivo publicado: marzo 25, 2005
  Extracto del documento

  DESIGN IDEAS Low-Distortion Sine Wave Oscillator
  with Precise RMS Amplitude Stability
  by Cheng-Wei Pei
  Many applications require a frequency
  and/or amplitude-stable sine wave
  as a reference for calibration or measurement. Low harmonic distortion is
  also required for meaningful results
  in applications such as LVDT signal
  conditioning, ADC testing, and, of
  course, harmonic distortion testing.
  Many sine wave generation techniques simply cannot achieve the low
  harmonic distortion and amplitude
  stability required of a precision sine
  wave reference. The technique shown
  here generates a sine wave with less
  than 0.003% distortion and 0.1%
  amplitude stability.
  Figure 1 shows a simple oscillator
  circuit consisting of a Wien bridge
  oscillator core and an amplitude
  stabilization loop. The LT1632 highspeed low-distortion amplifier and its
  positive feedback RC network generate
  the oscillations. The amplitude, and …

• Descargar
  Low Distortion Rail-to-Rail Op Amps Have 0.003% THD with 100kHz Signal &mdash LT Journal
  PDF, 262 Kb, Archivo publicado: mayo 1, 1998
  Extracto del documento

  DESIGN FEATURES Low Distortion Rail-to-Rail Op Amps
  Have 0.003% THD with 100kHz Signal
  by Danh Tran
  Introduction Device Characteristics The LT1630/LT1632 duals and
  LT1631/LT1633 quads are the newest members of Linear Technology’s
  family of rail-to-rail op amps, which
  provide the best combination of AC
  performance and DC precision over
  the widest range of supply voltages.
  The LT1630/LT1631 deliver a 30MHz
  gain-bandwidth product, a 10V/Вµs
  slew rate and 6nV/в€љHz input-voltage
  noise. Optimized for higher speed
  applications, the LT1632/LT1633
  have a 45MHz gain-bandwidth product, a 45V/Вµs slew rate and 12nV/в€љHz
  input voltage noise. In a low supply
  environment, these op amps maximize system dynamic range and
  precision. The very large open loop
  gain of these devices (a few million)
  virtually eliminates gain error.
  Because input offset error is so important on low supplies, it is
  guaranteed over the whole rail-to-rail
  input range. To achieve this, these …

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Clasificación del fabricante

• Signal Conditioning > Amplifiers > Operational Amplifiers (Op Amps) > General Purpose Amplifiers | High Voltage Amplifiers (>12V) | Rail-to-Rail Amplifiers

Otros nombres:

LT1632CS8PBF, LT1632CS8 PBF