EEVblog

Mailbag Monday SMD Adapter PCBs NXP SMD Package Cheats: Leaded Non-Leaded HP 41 Calculator upgrade PCB OHARARP Lab Notebooks CNC-Design in Finland Laser Cut 3D Signs Hacked Microsoft Lifecam DIYINHK USB Microscope uARM 4-Axis Arduino Open Source Hardware Robotic Arm Kickstarter Forum HERE Podcast: Download

Fundamentals Friday. Dave explains Gain Bandwith Product and how it’s possible to increase your system bandwidth by cascading opamps in series. Also, a discussion on the associated noise issues. A breadboard example shows how variable GBWP can be, and how it can relate to distortion. Opamp Noise Tutorial Forum HERE …

What is inside one of the best quality wireless microphones on the market? Dave takes a look inside the Sennheiser EW100 G3 SK100 Bodypack Transmitter and the EK100 Diversity Receiver. Datasheets: ADF4117 SA575 BH4127 Forum HERE Podcast: Download

Dave cleans up the lab and adds some shelves. Exciting stuff. Original lab timelapse build: https://www.youtube.com/watch?v=lhsgJnrkQYc Forum: http://www.eevblog.com/forum/blog/eevblog-570-lab-cleanup-and-shelving/ Podcast: Download

David Kilpatrick from TXAustralia takes us on a detailed tour of the old decommissioned 10kW analog TV transmission system at the Artarmon facility in Sydney. How it all works from the broadcaster video input to final transmission output up the 180m broadcast antenna. Plus some teardowns of the old equipment …