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UM3561 Datasheet, PDF (3/3 Pages) UMC Corporation – THREE SIREN SOUND GENERATOR
UM3561
Bowin Microelectronics
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THREE SOUND APPLICATION : 1. Police Siren 2. Fire Engine Siren 3. Ambulance Siren
TWO SOUND APPLICATION : 1. Police Siren 2. Machine Gun
Recommended values : R1 = 300kΩ , R2 = 10kΩ, Q = 2SC9013
REV.02-2005 (3 pages)
BOWIN ELECTRONIC COMPANY
3
www.bowin-ic.com.hk