LED_Fog

Retractable Landing, Taxi and Recognition LED on starboard outrigger OR1.
Y9-01-10

1. LED_Landing... ... 34. Pep_boys_10 35. Pep_boys_7 36. Pep_boys_11 37. LED_Fog_1 38. LED_Fog_2 39. LED_Fairing_1 40. LED_Fairing_2 ... 89. LookPal

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LED_Fog_1

Did some more testing on Pepboys Fog LEDs. The Lithium battery supplies 3.4 volts and the regulator in the harness provides 5.7 volts. The regulator does not pulse to increase light output. Wayne looked at it and it is a non linear (linear = quiet) DC to DC buck regulator that is a switching regulator (switching = noisy). In this first scope pic DC = bright lines and hash is haze above and below = noise. Amplitude is ~ 600 to 800 milivolts.
Y9-02-22

Date: 02/22/2009

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Full size: 600x800

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summary details

Make	Apple	Model	iPhone
Aperture Value	f/2.8	Color Space	sRGB
Date/Time	Sun 22 Feb 2009 05:02:12 PM UTC	GPS: Latitude	40.797333333333
GPS: Longitude	73.112166666667