555 Timer Circuits

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Not Quite 101 Uses For An Analog UHF TV Tuner

Not Quite 101 Uses For An Analog UHF TV Tuner Hackaday ... would have had MOSFETs or even GaAsFETs. Most recently the local oscillator would have been a frequency synthesiser but in the era we are discussing it would have...

Jul 11, 2016

From Breadboard to Printed Circuit – Part II

ElectronicsWeekly.com (blog) From Breadboard to Printed Circuit – Part II ElectronicsWeekly.com (blog) Ben Jordan got his start in electronics as an 8 year old, when his big brother got him his first soldering iron...

Dec 18, 2014

Charge-pump topology doubles voltage, breaks DC path

Charge-pump topology doubles voltage, breaks DC path EDN.com You could do that with an astable multivibrator using discrete parts. Joseph Bagdal W8AVD. Aug 15, 2016 9:18 AM EDT. 0 | 1. Reply. sreaves22645. Hi Michael, A...

Aug 11, 2016

From Breadboard to Printed Circuit – Part I

ElectronicsWeekly.com (blog) From Breadboard to Printed Circuit – Part I ElectronicsWeekly.com (blog) PCB design is easy, right? To a certain extent that's fair to say; with a growing number of schematic design...

Nov 21, 2014

Dudley Buck's Forgotten Cryotron Computer

IEEE Spectrum Dudley Buck's Forgotten Cryotron Computer IEEE Spectrum Immediately following the Second World War, electrical engineers grappled with a fundamental but open question: How should electronic digital...

Mar 19, 2014

ERNIE

iProgrammer ERNIE - A Random Number Generator iProgrammer It is hard to believe that a whole computer could be needed just to generate some random numbers, but this was the first ERNIE's role in life and in 1957 it...

Sep 6, 2013

Add GPS To Your USB Dongle

Electronic Design Add GPS To Your USB Dongle Electronic Design The circuit uses an FT230XQ USB-to-UART bridge to link a serial GPS device to the USB port. ... The first multivibrator , U2, generates a delay during...

Apr 22, 2014

One I/O line drives shift register with strobe

EDN.com One I/O line drives shift register with strobe EDN.com Further improvement is possible by adding a monostable multivibrator circuit , like in Reference 4. Finally, we propose the simplest solution. In this...

Mar 28, 2013

Adaptive rotary encoder distinguishes fine from coarse

EDN.com Adaptive rotary encoder distinguishes fine from coarse EDN.com However, by adding just one more integrated circuit (IC3, a dual retriggerable monostable multivibrator ) and a handful of inexpensive...

Jun 20, 2013

Guest Post: Ruminating Rigid-Flex – Dos and Don'ts of Flex Circuit Circuit Design (Part 3)

ElectronicsWeekly.com (blog) Guest Post: Ruminating Rigid-Flex – Dos and Don'ts of Flex Circuit Circuit Design (Part 3) ElectronicsWeekly.com (blog) Today, designers face increasing project requirements for...

Mar 17, 2014

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