An improved linear current LED transmitter @brainwagon
An improved linear current LED transmitter  @brainwagon
Uploaded May 2011 | Updated September 2026, 1 day ago
A linear current LED transmitter, using an LM1458 op amp, an 2N3904, and lots of great ideas from KA7OEI's great work.
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Mark VandeWettering |

An improved linear current LED transmitter

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