Circuits & Schematics Linear Technology - 4

31. Controller solves voltage drop problem of high impedance, long length power lines
    Circuits Supply 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
32. Use "Extra" LED Driver Channel To Provide Constant-Voltage Source
    Circuits Supply Light 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

33. High Clock-to-Center Frequency Ratio LTC1068-200 Extends Capabilities of Switched Capacitor Highpass Filter
    Circuits Analogue Design Linear Technology LTC1068
    Frank Cox, Linear Technology Linear Technology Magazine The circuit in Figure 1 is a 1 kHz 8th order Butterworth highpass filter built with the LTC1068-200, a switched capacitor filter (SCF) building block. In the past, commercially available ...
    02-11-2018
34. Precision Ultralow Power High Side Current Sense
    Circuits Analogue Design Measurement 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
35. Circuit converts pulse width to voltage
    Circuits Analogue Design 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
36. Switcher regulates HV in novel way
    Circuits High Voltage Supply Linear Technology LTC1625
    Gheorghe Plasoianu EDN Designing a high-voltage regulator can pose difficulties associated with component stress, reliability, and costs. This Design Idea offers a solution: a simple unregulated high-voltage supply in series with a low-voltage ...
    21-08-2018
37. Low Noise Amplifiers for Small and Large Area Photodiodes
    Circuits Analogue Design Linear Technology LTC6244
    Glen Brisebois, Analog Devices Design Note 399 Introduction Photodiodes can be broken into two categories: large area photodiodes with their attendant high capacitance (30 pF to 3000 pF) and smaller area photodiodes with relatively low capacitance ...
    15-08-2018
38. Switched-Capacitor-Based Bandpass Filter Boasts (Nearly) Rectangular Shape
    Circuits Analogue Design Linear Technology LTC1068
    Samuel Kerem Electronic Design The filter described below is useful for detecting a signal that’s closely surrounded by spurs, even when the task is complicated by the frequency of the signal of interest wandering by a few percent. For ...
    02-08-2018
39. Servo loop improves linear-regulator efficiency
    Circuits Supply Linear Technology LM2576T NE5534
    Aurel Gontean EDN Linear regulators are easy to implement and have better noise and drift characteristics than switching approaches. Their largest disadvantage is inefficiency: excess energy dissipated as heat. Several well-known techniques are ...
    02-08-2018
40. Frequency dithering enhances high-performance ADCs
    Circuits Linear Technology LTC1799
    Since the late 1970s, designers have successfully improved the effective resolution and spurious performance of A/D converters by adding dither uncorrelated noise to a converter's input and then using DSP techniques to average out noise from ...
    05-06-2018

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