Search This Blog

Saturday, August 13, 2016

The Philbrick Archive - Bob Pease and The OpAmp

This site is a free non-profit repository of materials from GAP/R George A Philbrick Researches, the company that launched the commercial use of the Operational Amplifier in 1952.

The Philbrick Archive and Operational Amplifier

The Philbrick Archive - Bob Pease and The OpAmp

The first commercial Operational amplifier was the K2-W op-amp. It was based on the amplifier used in the Philbrick modular Analog-Computor "black boxes ".

First Opamp K2-W op-amp

That amplifier's basic circuit architecture, in turn, was probably inspired by an earlier amplifier designed by Loebe Julie (Dan Sheingold and Bob Pease, thanks for helping me with this information). The K2-W Operational Amplifier entered the commercial market in 1952.

Wednesday, August 10, 2016

Android Hardware Development Kit

The Android Hardware Development Kit is designed for enterprise embedded developers looking for a single, all-inclusive solution for a variety of prototyping needs.

Android Hardware Development Kit

Android Hardware Development Kit is the first Open Hardware solution designed for full hardware customization. Together it is a Open System Design Solution.

Android Hardware Development Kit
Runs with a 720MHz ARM-based, open source BeagleBoard C4

Some Features are
  • Display: 4.3 inch touch display
  • Screen: 480×272 OLED screen
  • RAM: 128MB
  • 32bit Single Core
  • SD Storage: 4GB SD Storage
  • On Board Flash: 256MB
  • 4 USB Host Port Adapter
  • Wi-Fi 802.11b/g
  • Ethernet (RJ-45) USB 2.0 10/100 Ethernet Adapter
  • Video Output: DVI to HDMI
  • Video Output: S-Video
  • Speaker (Stereo Headphone Out): 3.5mm Audio Out