All Sections: LT Spice - 10

91. Simple nanosecond-width pulse generator provides high performance
    Circuits Linear Technology LT1721
    If you need to produce extremely fast pulses in response to an input and trigger, such as for sampling applications, the predictably programmable short-time-interval generator has broad uses. The circuit of Figure 1, built around a quad high-speed ...
    08-02-2018

92. Actively driven ferrite core inductively cancels common-mode voltage
    Circuits Linear Technology LT1797
    An earlier Design Idea illustrated one approach to that traditional headache for the analog designer: the dreaded ground loop ( Reference 1 ). That Design Idea described a simple and efficient multichannel circuit. But it’s an asymmetrical ...
    22-02-2018

93. Circuit converts pulse width to voltage
    Circuits Linear Technology LT1880 LTC202
    James Mahoney EDN The circuit in Figure 1 converts pulse information to a clean dc voltage by the end of a single incoming pulse. In another technique, an RC filter can convert a PWM signal to an averaged dc voltage, but this method is slow in ...
    04-09-2018
94. Precision Ultralow Power High Side Current Sense
    Circuits Linear Technology LTC2063 LT1389
    Catherine Chang, Linear Technology Design Note 1045 Introduction Precision high side measurement of microamp currents requires a small value sense resistor and a low offset voltage, ultralow-power amplifier. The LTC2063 zero-drift amplifier has a ...
    19-09-2018
95. Negative Output, 500mA Low Dropout Linear Regulator Has Ultralow Noise & Ultrahigh PSRR
    News Analog Devices LT3094
    Analog Devices announces the Power by Linear™ LT3094 , an ultralow noise, ultrahigh power supply ripple rejection (PSRR), low dropout voltage, 500 mA negative linear regulator that targets applications requiring the lowest noise performance. ...
    23-11-2018
96. Use "Extra" LED Driver Channel To Provide Constant-Voltage Source
    Circuits Linear Technology LT3476
    Hua (Walker) Bai Electronic Design LED applications are booming: backlighting for LCD TVs, projectors, and computer displays, camera flashes, and vehicle brake lights and taillights are just a few. All require constant-current LED drivers that ...
    27-11-2018
97. Controller solves voltage drop problem of high impedance, long length power lines
    Circuits Linear Technology LT8710
    The LT8710 is a versatile DC/DC controller that supports boost, SEPIC, inverting, or flyback configurations, and is widely used in automotive and industrial systems. The LT8710 includes features that enable use in applications with high impedance ...
    13-12-2018
98. Extend low-output-voltage switching regulator's input range
    Circuits Linear Technology LT1936 LT3010-5
    Hua (Walker) Bai, Linear Technology EDN Internal operating voltages in electronic devices continue to decrease, but input-source voltages don't change. As the difference between input and output voltages increases, so does the improvement in ...
    14-01-2019
99. Get buck-boost performance from a boost regulator
    Circuits Linear Technology LT1308A
    Tom Gross, Linear Technology EDN The SEPIC (single-ended, primary-inductance-converter) topology is generally a good choice for voltage regulators that must produce an on output voltage that falls in the middle of the input-voltage range, such as a ...
    06-03-2019
100. Four-quadrant power supply provides any-polarity voltage and current
     Circuits Analog Devices LT1970 LT1882
     A conventional power supply operates only in the first quadrant; positive-voltage output and current are sourced to a load or, with a deliberately miswired output, statically in the third quadrant as a minus supply. The conventional supply cannot, ...
     20-03-2019

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