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Technical Library
New Ultra Low Ripple Laser Diode Driver
Analog Modules, Inc. announces the release of its Ultra Low Ripple CW & Pulsed Laser Diode Driver Longwood, FL – July 20, 2016. Analog Modules, Inc. is pleased to announce the release of its Ultra Low Ripple CW & Pulsed…
Posted in Laser Electronics, Technical Note
Capacitor Charging Questions
Answers to common Capacitor Charging Questions The most common method of pumping solid-state pulsed lasers is still through the use of flashlamps which receive energy from the discharge of a high energy storage capacitor. In such systems the job of…
Posted in Laser Electronics, Technical Note
Laser Diode Driver Design Conclusions
When considering options for laser diode driver design the determining factors include size, weight, cost, efficiency, and reliability over specified environmental operating conditions. Unfortunately, these factors are often in conflict with one another. The least expensive approach often will not be…
Posted in Laser Electronics, Technical Note
Switch Mode Laser Diode Driver Design
Switch Mode Laser Diode Driver Approximately 20 years ago, as industry was starting to replace linear designs with switch mode power supplies to achieve smaller size and higher efficiency, Hughes Aircraft Company in 1994 disclosed a resonant buck converter to provide…
Posted in Laser Electronics, Technical Note
Linear Laser Diode Driver Design
Linear Laser Diode Driver Solution The AMI Model 778 Laser Diode Driver was an early example of the simple linear design approach. This driver and the current version, AMI Model 779A, has been available for 25 years. In such a design,…
Posted in Laser Electronics, Technical Note
Design of Laser Diode Drivers
Design and Optimization of High Current Laser Diode Drivers INTRODUCTION These posts will explain the development and technical challenges encountered in the design of laser diode drivers, especially high current devices used in military applications. The pros and cons of simple…
Posted in Uncategorized
OSCILLATION IN AMPLIFIERS
OSCILLATION IN AMPLIFIERS Most amplifiers work without problems, but in some cases oscillations may occur with high frequencies/high gains and/or poor layout. The first step is to measure the frequency and amplitude of the oscillation. Use the internal triggering of…
Posted in Sensors and Amplifiers, Technical Note
HOW TO MEASURE NOISE
Specifically How to Measure Noise when using AMI’s transimpedance and voltage amplifiers VERIFICATION When determining how to measure noise one question that is frequently asked is how to verify the noise performance of voltage and current amplifiers. This note suggests…
Posted in Sensors and Amplifiers, Technical Note
Design of Capacitor Charging Power Supplies
Introduction Design of Capacitor Charging Power Supplies: In order to power laser flashlamps, pulse forming networks, and other energy storage capacitor applications, the capacitor is charged up in voltage, then regulated. This creates an unusual and different situation from conventional…
Posted in Laser Electronics, Technical Note
Transimpedance Amplifier Selection
Transimpedance Amplifier Selection Guide AMI designs and manufactures a range of Transimpedance Amplifiers for OEM, medical and research applications primarily for use with photodetectors. AMI’s amplifiers combine low noise, high gain, large dynamic range, and small package size. The key…
Posted in Sensors and Amplifiers, Technical Note Tagged with: How To, Sensors and Amplifiers, Transimpedance
Hybrid eyesafe laser rangefinder receiver is designed for laser rangefinding & surveying equipment. Compact construction is ideal for miniature applications. Fast recovery from To overload allows ranging to close objects without compromising long range performance. The incorporation of an InGaAs APD gives very high sensitivity with time programmed gain to minimize false targets. Operation at both 1.06 µm and 1.54 µm is possible over a wide range of pulse widths.
