Reviews Digital Variable Optical Attenuator

Vega Barebones - Ultra Low-Noise Variable Gain Amplifier VGA Module for RF & Software Defined Radio SDR Highly Linear & Wideband 30MHz-4000MHz Frequency Capability w/Bias Tee & USB Power Options

A wideband (30MHz-4000MHz), high-performance, general purpose LNA module with a built-in variable attenuator to maximize usability and portability.
The attenuation can be controlled either with the on-board potentiometer (analog control) or push button array (digital control).
Dual amplifier design with adjustable gain (20dB-50dB at 100MHz), low noise figure and low power consumption. Can be powered through bias tee....
Made in North America. Full 1 year warranty!.

Attenuation Factor and Step Size :The HMC472 is a wideband 6-bit digital attenuator with an attenuation range of 0 to 31.5 dB and a typical step error of ± 0.25 dB..
Operating Frequency Range :Adopt QFN surface mount package, uses single power supply 5V, working frequency range from DC to 3.8 GHz..
Insertion Loss :Insertion loss is less than 2.0 dB (typical) and IIP3 is +54 dBm..
Objects Used :Suitable for a variety of RF and IF applications..
Attenuation Control Interface :Manually adjust the control through the 6-position pin header on the board..

Connector/Connection Polish: LC/UPC Male to LC/UPC Female, 10 Pack.
Low Insert-loss & High Return-loss: Optical fibers are connected by adapters through internal open sleeves. Provide LC adapters to ensure the connection between fiber patch cable..
Good Repeatability & Intercalation: Widely used in Optical Fiber Distribution Frame, Optical Communication Network, Optical Fiber Broadband Access Network, Optical Fiber CATV, Optical Fiber Testers, FLAN, the performance is stable and reliable..
Feature: Light weight, small volume, high accuracy, good stability and convenient operation..

Variable magnification: Up to 35x optical and up to 105x digital..
Observes and records in real time (30 FPS)..
The free FireflyPro software supports Windows 10, 8, 7, and Mac OS 10.8 or higher..
Live feed is plug-and-play with most video conferencing software platforms..

Wirelessly captures pictures and videos..
Variable magnification: 15x-30x optical and 15x-90x digital..
Observes and records in real time (30 FPS)..
The free FireflyPro software supports Windows 10, 8, 7, and Mac OS 10.8 or higher..

Variable magnification: 15x-50x optical and 15x-150x digital..
Observes and records in real time (30 FPS)..
The free FireflyPro software supports Windows 10, 8, 7, and Mac OS 10.8 or higher..
Live feed is plug-and-play with most video conferencing software platforms..

FAST CONNECTION: Quick assembly SC connector can provide quick and easy termination of fibers in the field.
EXCELLENT PERFORMANCE: fiber optic adapter has good repeatability, stable performance, high success rate and high reliability.
AUXILIARY EQUIPMENT: The attenuator can effectively suppress loop noise, eliminate interference, and prevent accidental damage to the main control terminal.
WIDE APPLICATION: optic fiber quick connectors can be widely Used for fiber optical communication system,optical distribution frame (ODF), FTTH, CATV, etc.
CERAMIC FERRULE: optic fiber connector built in ceramic ferrule, low insertion loss, wear resistance and long service life.

Reliable and accurate Digital Satellite finder with backlit LCD display and sound.
Compatible with DirecTV, Dish Network, and Free-to-Air satellite Systems.
Input Level Min: -40 dB, Input Level Max: -10 dB.
Operating Range (LNB gain) 52~60dB. NOTE: When using a LNB with gain higher than 60dB, insert a 5dB attenuator between the LNB/LNBF and the digital....

UPDATeD MODEL: This Jackson Safety ADF Cartridge is for use with Jackson Safety Insight Welding Helmets. It has 4 sensors to reduce possible blockage, and has been newly updated with industry-leading 1/1/1/1 optical clarity and True Color..
BEST VIEWING: It provides a viewing area of 3.93" x 2.36" and offers optimal vison during all stages of the welding process without having to lift the helmet's hood..
DIGITAL CONTROL: With variable shades from 9 to 13, it has user-friendly digital controls for sensitivity and delay adjustments for different tasks and durations. This enables welders to enjoy enhanced visibility and color recognition..
MULTI-USE WELDING: The variable auto darkening allows you to use it for MIG, TIG, STICK, and ARC welding processes..
CARTRIDGE ONLY: Sold as the ADF cartridge only. Insight welding helmet is sold separately. Jackson Safety has built a century long reputation for delivering the most innovative safety solutions in the welding and personal protective equipment industries..

PATENTED TECHNOLOGY: This Jackson Safety True Sight II Welding Helmet has patented Balder technology, offering industry-leading optical clarity 1/1/1/1 rating and True Color (DIN rating EN379.).
BEST VIEWING: This ADF helmet has a viewing area of 3.93" x 2.36" and offers optimal vison during all stages of the welding process, without having to lift its hood.
It has a lightweight HLX 100 shell that has a narrow shape for working in tight spots.
DIGITAL CONTROL: With variable shades from 9 to 13, this helmet has user-friendly digital controls for sensitivity and delay adjustments for different tasks and durations.
This enables welders to enjoy enhanced visibility and color recognition.
MULTI-USE WELDING: This variable auto darkening face mask allows you to use it for MIG, TIG, STICK, and ARC welding processes.
It also features our premium 370 Speed Dial easy grip/turn headgear system.
SAFETY CERTIFICATIONS: This helmet provides protection to the user's face and eyes from during welding.
It’s efficient and economical, meets ANSI Z87.1 2010 standards, and is CSA compliant.