Saturday, October 24, 2015

AD8436 - Low Cost RMS to DC Convertor

This chip from Analog Devices  computes a precise dc equivalent of the rms value ac waveforms, including complex patterns such as those generated by switchmode power supplies and triacs.

AD8436 - Low Cost RMS to DC Convertor

There is an evaluation board available to study its performance.

AD8436 - Low Cost RMS to DC Convertor

Delivers true RMS or average rectified value of an AC input and Fast is settling at all input levels.It is an Accurate conversion with crest factors up to 10.

Other Features
  • Accuracy: ±10 µV ± 0.5% of reading 
  • 100 µV rms to 3 V rms (8.5 V p-p) full-scale input
  • 1 MHz for -3 dB (300 mV) 
  • 65 kHz for additional 1% error 
  • Zero converter dc output offset 
  • Low power: 300 µA typical at ±2.4 V

Friday, October 23, 2015

DLCAP - Electric Double Layer Capacitor - Nippon

They have a range of Supercapacitors upto 2500F at 2.5V and Modules like 400F at 15V. There are two types Prismatic and Cylindrical. In comparison to batteries, multi-million cycles of charge-discharge is possible.

DLCAP - Electric Double Layer Capacitor - Nippon

DLCAP - Electric Double Layer Capacitor - Nippon

Another feature is the high current charge-discharge ability, useful in many Industrial and Automotive Applications. A high charge-discharge efficiency makes an output efficiency of around 95% possible. These capacitors have become an useful part of Alternative Energy Electronics and Energy Harvesting. They also have applications in Electric and Hybrid Vehicles.

Aluminum Electrolytic Capacitors - Nippon

Nippon Chemi-Con. Products multilayer ceramic capacitors, film capacitors, metal oxide varistors, choke coils, optomechatronics and Aluminum electrolytic capacitors.

Friday, October 2, 2015

GDM-8261 - Dual Measurement Multimeter

A high precision 6 ½ digit Digital Multimeter with dual measurement displays, 11 measurement functions and 10 math functions at high accuracy.

A scanner card, which carries 16 V-Channels and 2 I-Channels, to facilitate the measurements of multiple-test points on either a device or multiple devices all at a press of a button.

The GDM-8261 can be used as a semi-auto ATE System to increase the throughput of manufacturing test or as a data logger to perform long term monitoring or characterization of a DUT.

GDM-8261A - Dual Measurement Multimeter
GDM-8261A - Dual Measurement Multimeter

Highlights

Dual Measurements to perform two selected measurements simultaneously. High Resolution: Up to 100pA with DCI and 1nA with ACI Measurements.
Features Include
  • 6 1/2 Digit Display1,200,000 counts
  • DCV Basic Accuracy0.0035%
  • Bright Vacuum Fluorescent Display (VFD)
  • Standard Interfaces USB, RS232C, Digital I/O
Good Will Instrument Co., Ltd was the first professional manufacturer in Taiwan specializing in electrical test & measurement instruments. They manufacture more than 300 product items, ranging from oscilloscopes, spectrum analyzers, signal sources, etc.