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This document discusses the understanding and application of voltage references, including the accuracy of references and tips for maximizing their performance.
This application note describes performance verification of low noise, low dropout linear regulators (LDOs), including LDO dropout, input voltage range, maximum output current, noise, stability, surge current, load regulation, output voltage regulation, and thermal characteristics.
This document describes the biasing considerations for the varactor diode required for tuning high frequency oscillators, and provides a low noise varactor biasing method.
AN87 is the fifth in a series that excerpts useful circuits from Linear Technology magazine to pre- serve them for posterity. This application note highlights data conversion, interface and signal conditioning circuits from issue VI:1 (February 1996) through issue VIII:4 (November 1998).
This document introduces the application of capacitors in DC/DC converters and details the problems that may be caused by using ceramic capacitors to filter DC/DC converter inputs.
This document describes a thermoelectric cooler temperature controller for fiber optic lasers, which can meet the requirements of precise temperature control to maintain stable performance of the laser.
This application note describes several low-cost coupling methods for RF power detectors that replace directional couplers. These methods allow for the integration of RF power detectors on-chip, which reduces cost and size. These methods also allow for the integration of RF power detectors and RF power amplifiers in a single module, which further reduces cost and size.
This article describes the bias voltage and current sense circuits for avalanche photodiodes (APDs) used in fiber optic systems. The APD module contains an APD and a trans-impedance amplifier, which converts the optical signal into an electrical signal. The APD requires a relatively high bias voltage to operate, typically ranging from 20V to 90V. Additionally, monitoring the APD's average current can indicate the optical signal strength and be used in conjunction with feedback techniques to maintain optimal signal levels.
This application note describes the use of the LTC1799 precision monolithic oscillator in various instrumentation applications, including transducer circuits, carrier-based amplifiers, sine wave generators, filters, interval generators, and data converters. The LTC1799 is a high-accuracy, high-stability RC oscillator that can be tuned over a wide range.
This document introduces the simple circuitry for cellular telephone/camera flash illumination, including LED and flashlamp two schemes, and detailed explanation of the flashlamp working principle and characteristics.
AN98-1 is a TI application note published in 2004. It introduces 18 circuit designs, including voltage controlled current source, signal source, conditioner and power circuit.
