Tuesday, March 17, 2015

delabs Electronic Engineering Resources

These pages of mine and other sections of delabs, follow that old tradition and lists thousands of firms and EE design resources around the globe, related to Professional and Hobby Electronics. This work of mine started in 1999 on netscape, geocities and tripod homepages. Now it is distributed over few domains and tech blogs that i own and manage.

Electronics Engineering and Technologies

Electronics Engineering and Technologies

Some Electrical and Mechanical pages closely related to Electronic Manufacturing and Industrial Engineering are also listed here. delabs lists more than 10K EE Companies & Resources in the Web.

Categories of EE Websites of Firms and Resources

Sunday, March 15, 2015

Reliable Robust Electronic Products

Use a Servo Stabilizer or CVT Constant Voltage Transformer or at least an Isolation Transformer. The First Defense form HV Surges, Spikes.

High Voltage Polyester & Polypropylene Metallized Capacitors in Stepdown Supplies should be Fire Retardant & Self Healing with a MOV too.

EE Design Library - Electronic Product Design Resource

Tropicalized means immunity or resistance of an equipment in conditions of varied Temperature, RH, Insects, Fungus, Brine, small life form.

Reliable Robust Electronic Products

Reliability by Simplicity

Vital controls should be Simple Electromechanical. Supervisory and Fine Automatic controls are in Embedded Computing. Mechanical Overrides!  

<< More Reliable - Mechanical, Electrical, Analog, Digital, Embedded System (Firmware), Computing System (OS+Software) - Less Reliable >>  

For a given quality level, more the components or parameters, may reduce reliability. Simpler the solution, more reliable it could be. 

Electronic Product Design is not only about Aesthetics and Affordable Price, but also Reliability, Safety, Longevity & Maintainability.

A Product's Life

If a product gives three years life with minimum service support it can save itself from building a bad reputation. six years will establish the brand on a long term basis, twelve years of product life you will have the user of the product selling for you.

Connectors and Interconnects

"Never Mix Electrical and Mechanical Connections" (probably from tektronix) this is a rule, more so for power connectors. Strain relief prevents mechanical stress from reaching the connector joints/spring metal. The wire terminations are also cushioned by strain relief.

The PCB and Product Engineering should ensure that the mechanical stress or load is not a job/function/role of the connector. At higher currents a small contact resistance can generate a lot of heat, worsening the contact further, similar to thermal runaway of Power Transistors.

delabs- 1999 - updated 2002 - 2010

Friday, March 06, 2015

Keysight BenchVue Mobile Interface

Keysight Oscilloscope Mobile is FREE software that lets you view and control your Keysight oscilloscope from your mobile device.

Keysight BenchVue Mobile Interface

BenchVue Mobile supports Keysight function generators, spectrum analyzers, power supplies, digital multimeters and oscilloscopes that are supported and connected by the BenchVue PC software.

Keysight Oscilloscope Mobile

The functionality in this app has been incorporated into a newer, free app named BenchVue Mobile that supports oscilloscopes, spectrum analyzers, function generators, DMMs, and power supplies.

Supports up to 4 analog channels, Simulation mode available, Save screen captures from your instrument onto your mobile device, Your scope can be connected via LAN, GPIB, USB or RS232.

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