Circuits & Schematics Linear Technology - 6

51. Energy Harvester Produces Power from Local Environment, Eliminating Batteries in Wireless Sensors
    Circuits Supply Linear Technology LTC3588-1
    Jim Drew, Linear Technology Design Note 483 Introduction Recent advances in ultralow power microcontrollers have produced devices that offer unprecedented levels of integration for the amount of power they require to operate. These are systems on a ...
    Nov 29, 2017
52. Low-cost RF sniffer finds 2.4-GHz sources
    Circuits Wireless Measurement Linear Technology LT5534
    Vladimir Dvorkin, Linear Technology EDN Whether you measure or use RF circuits that operate in the popular 2.4-GHz ISM (industrial/scientific/medical) band, cordless telephones, Wi-Fi access points, Bluetooth devices, and microwave ovens can ...
    Nov 15, 2017

53. The Wien-bridge oscillator is reborn
    Circuits Analogue Design Oscillators Linear Technology LT1012 LT1056
    Michael Fisch EDN In 1940, William Hewlett and David Packard launched a product from a garage. The product was a Wien-bridge oscillator. It consisted of a single-pole highpass filter in series with a single-pole lowpass filter. To keep the gain ...
    Nov 9, 2017
54. Simple Power Backup Supply for a 3.3V Rail
    Victor Khasiev
    Circuits Supply Linear Technology LTC3643
    Introduction Data loss is a concern in telecom, industrial and automotive applications where embedded systems require a dependable supply of power. Sudden power interruptions can corrupt data during read and write operations performed by hard ...
    Oct 31, 2017
55. DIY DCV Calibrator & reference has under 70µV error
    Jordan Dimitrov
    Circuits Measurement Linear Technology LTC2641
    [Editor’s note: This programmable DC reference calibrator will make a great DIY project for your lab bench. Full design files for the analog portion are provided, leaving the microcontroller part up to you. Send me your code if you build this ...
    Aug 29, 2017
56. Single-/Dual-Supply Precision Analog Limiter Handles Wideband Signals
    Alex Rysin
    Circuits Analogue Design Linear Technology LT1810
    Limiter circuits are often needed to prevent a wide-range signal from overloading the next stage in the signal chain this user-adjustable circuit provides bipolar limiting at precise preset value. As the name implies, a limiter circuit (sometimes ...
    Aug 17, 2017
57. Low Power Op Amp: Low Power Filter, Headphone Driver Revisited
    Aaron Schultz
    Circuits Analogue Design Audio Linear Technology LTC6261 LTC6262 LTC6263
    Introduction A new family of op amps features industry leading speed versus supply current. The LTC6261/LTC6262/LTC6263 family (single, dual, quad) provides 30 MHz at a low 240 uA supply current, with 400 uV maximum offset voltage and rail-to-rail ...
    Aug 2, 2017
58. 560V Input, No-Opto Isolated Flyback Converter
    Circuits Supply Power Linear Technology LT8315
    George Qian, Linear Technology Design Note 559 Introduction In traditional isolated high voltage flyback converters, tight regulation is achieved using opto-couplers to transfer regulation information from the secondary-side reference circuitry to ...
    Jul 18, 2017
59. Hybrid Switching/Linear Method Yields LED-Current Controller with Wide Dimming Ratio
    Thomas Mosteller
    Circuits Supply Light Linear Technology LT3083 LT6015 LT8614 LTM8042
    By using two basic power-supply topologies in conjunction, this circuit provides an easily controlled current source that is well-suited for dimming LEDs Many applications for LED illumination require wide dimming ratios, which can be easily done ...
    Jun 21, 2017
60. High Voltage, High Efficiency Positive to Negative Converter
    Victor Khasiev
    Circuits Supply Power Linear Technology LTC3896
    Introduction Positive to negative conversion (inverting output) is widely used in LCD devices, OLED displays, audio amplifiers, industrial machinery, semiconductor manufacturing process control equipment, measurement tools, testing systems, LED ...
    Jun 15, 2017

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