LM3909 National Semiconductor, LM3909 Datasheet - Page 6
LM3909
Manufacturer Part Number
LM3909
Description
LM3909 LED Flasher/Oscillator
Manufacturer
National Semiconductor
Datasheet
1.LM3909.pdf
(8 pages)
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Typical Applications
(Continued) (See applications notes above)
1 kHz Square Wave
TL H 7969 – 15
Note Output voltage through a 10k load to ground
TL H 7969 – 14
‘‘Buzz Box’’ Continuity and Coil Checker
Variable Flasher
TL H 7969– 17
Note Flash rate 0 Hz–20 Hz
TL H 7969 – 16
Note Differences between shorts coils and a few ohms of resistance can be
heard
6
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