2021/5/9Front End Turns PC Sound Card into High-Speed Sampling Oscilloscope by Doug Mercer Download PDF Various software packages enable the stereo sound card found in a personal computer (PC) to provide oscilloscope-like displays, but the low-sample-rate, high-resolution analog-to-digital converters (ADCs) and ac-coupled front end are optimized for 20 kHz or less of usable bandwidth. Get Price
2019/1/29A 16-port tunable fiber laser is experimentally demonstrated based on a digital micromirror device (DMD). This laser has the capacity of tuning wavelength from 16 ports flexibly and independently in the whole C-band by only one 0.55-in. DMD chip, a blazed grating for waveband de-multiplexing and a zoom optics system for beam mapping. The results show the outputs from all fiber Get Price
The Keysight Technologies 81950A compact tunable laser source is step-tunable for setting channel frequencies within any grid in the C- or L-band. With high output power up to +15 dBm, narrow linewidth of 100 kHz, and offset grid fine-tuning capability, the 81950A is a universal source for realistic loading of the latest transmission systems. Get Price
2012/7/12The multi-channel filter under consideration is based on a Si photonic crystal (PhC), tunable liquid crystal and opto-fluidic technologies. By filling air grooves in the one-dimensional, Si-Air PhC with a nematic liquid crystal, an efficiently coupled multi-channel filter can be realised in which a wide stop band is used for channel separation over a wide frequency range. Get Price
The Portico II Channel was created using the high voltage topologies from the 5088 to create a channel strip with the ultimate sound quality. Comprised of a fully-featured mic preamplifier, 4-band EQ, compressor-limiter, "texture" control and level metering, the Get Price
A concept of liquid crystal tunable electric-LC (ELC) resonators is presented in [], where tunability is achieved via using a microfluidic channel in the central capacitive gaps. The results achieved by simulation predicts 6% of continuous frequency tuning at around 4.5 GHz. Get Price
Use this tunable color temperature LED controller with wireless touch-color RF remote to control your tunable white LED light strips. The remote is completely touch activated with a temperature control wheel for direct, fine-tuned white color temperature selection. Get Price
2021/3/1can see ultra-fine and fine-tune the resonant frequency of the channel drop filter based PnC. Moreover, it can also be used to select the output port, either by selecting a forward or backward dropping port. From this point of view, the tunable acoustic Get Price
The Lumenetix araya5 Tunable Color feature set, powered by ERP programmable LED drivers, replicates full spectrum sunlight; provides access to a wide gamut of pastels and saturated colors; and delivers eflicker-free dimming to 0.1% for architectural, commercial, retail, hospitality and Get Price
2021/3/1can see ultra-fine and fine-tune the resonant frequency of the channel drop filter based PnC. Moreover, it can also be used to select the output port, either by selecting a forward or backward dropping port. From this point of view, the tunable acoustic Get Price
The important class of optical filters is the tunable optical filters, which are able to dynamically change the operating frequency to the desired wavelength channel. The basic tunable optical filter types include tunable 2 2 directional couplers, FP filters, Mach–Zehnder (MZ) interferometer filters, Michelson filters, and acousto-optical filters. Get Price
The AX-3 2.4GHz transmitter is a two channel, pistol grip radio with servo reversing switches for steering and throttle, trim dials for fine tuning steering and throttle centers. The battery indicator light also lets you know when your transmitter batteries run low. Get Price
Robust luminophores emitting light with broadly tunable colors are desirable in many applications such as light-emitting diode (LED)-based lighting, displays, integrated optoelectronics and biology. Nanocrystalline quantum dots with multicolor emission, from core- and shell-localized excitons, as well as solid layers of mixed quantum dots that emit different colors have been proposed. Here, we Get Price
Adjustable over-voltage shutdown for those high Q resonant loads that generate high peak voltage powers at resonance. Maximum voltage will depend on your load parameters. The oil-filled transformer is overbuilt to handle high resonant voltage rises, and includes built-in protection circuitry that will shut the system down should the voltage exceed the transformer's insulated rating. Get Price
Tunable Diode Laser Spectroscopy (or TDLS) measurements are based on absorption spectroscopy. The TruePeak Analyzer is a TDLS system and operates by measuring the amount of laser light that is absorbed (lost) as it travels through the gas being Get Price
2016/11/29Tunable Schottky barrier and high responsivity in graphene/Si-nanotip optoelectronic device Antonio Di Bartolomeo 1,6, Filippo Giubileo 2, Giuseppe Luongo 1, Laura Iemmo 1, Nadia Martucciello 2, Gang Niu 3,6, Mirko Fraschke 4, Oliver Skibitzki 4, Thomas Schroeder 4,5 and Grzegorz Lupina 4 Get Price
The Portico II Channel was created using the high voltage topologies from the 5088 to create a channel strip with the ultimate sound quality. Comprised of a fully-featured mic preamplifier, 4-band EQ, compressor-limiter, "texture" control and level metering, the Get Price
The AX-3 2.4GHz transmitter is a two channel, pistol grip radio with servo reversing switches for steering and throttle, trim dials for fine tuning steering and throttle centers. The battery indicator light also lets you know when your transmitter batteries run low. Get Price
High Performance 4 Aperture Circle (HP-4 C) is a patented, circular LED luminaire. Constructed with an extruded aluminum body and single-piece direct diffuser, the HP-4 C provides a seamless finish aesthetic. Delivering excellent performance using Get Price
The Portico II Channel was created using the high voltage topologies from the 5088 to create a channel strip with the ultimate sound quality. Comprised of a fully-featured mic preamplifier, 4-band EQ, compressor-limiter, "texture" control and level metering, the Get Price
2021/2/18Fabrication of tunable fine textures on solid metal surfaces often demands sophisticated reaction/processing systems. By exploiting in situ polymerization and self‐assembly of inorganic adducts derived from liquid metals (the so‐called HetMet reaction) with concomitant solidification, solid metal films with tunable texture are readily fabricated. Get Price
2019/1/29A 16-port tunable fiber laser is experimentally demonstrated based on a digital micromirror device (DMD). This laser has the capacity of tuning wavelength from 16 ports flexibly and independently in the whole C-band by only one 0.55-in. DMD chip, a blazed grating for waveband de-multiplexing and a zoom optics system for beam mapping. The results show the outputs from all fiber Get Price
Indeed, we have demonstrated optical-pumped room-temperature CH3NH3PbI3 nanowire lasers with near-infrared wavelength of 777 nm, low threshold of 11 μJ/cm2, and a quality factor as high as 405. Our research advocates the promise of optoelectronic devices based on organic–inorganic perovskite Get Price
The calcium ion serves as a versatile and universal second messenger to control a myriad of biological processes, including muscle contraction, neurotransmission, hormone secretion, immune cell activation, cell motility, and apoptosis [1–3]. The calcium release-activated calcium (CRAC) channel media Get Price
Robust luminophores emitting light with broadly tunable colors are desirable in many applications such as light-emitting diode (LED)-based lighting, displays, integrated optoelectronics and biology. Nanocrystalline quantum dots with multicolor emission, from core- and shell-localized excitons, as well as solid layers of mixed quantum dots that emit different colors have been proposed. Here, we Get Price
2019/7/29Microfluidic chips comprise of channel systems, liquid reservoirs and actuators such as micropumps and valves, are traditionally made from polydimethyl-siloxane (PDMS), quartz or silicon. Due to the merits such as high precision and easy integration, they have widespread applications in biological and chemical sensor and reactors. Get Price
Adjustable over-voltage shutdown for those high Q resonant loads that generate high peak voltage powers at resonance. Maximum voltage will depend on your load parameters. The oil-filled transformer is overbuilt to handle high resonant voltage rises, and includes built-in protection circuitry that will shut the system down should the voltage exceed the transformer's insulated rating. Get Price