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Additional Pictures 

 

Output Current vs Output Voltage of a FR1001 Digit Output driver.
DUT: FR1001 7344 @ VDD = -15 V.
Output Current vs Output Voltage of a FR1001 Segment Output driver.
DUT: FR1001 7344 @ VDD = -15 V.


If you have additions to the above article please email: joerg@datamath.org.

© Joerg Woerner, May 14, 2026. No reprints without written permission.