Alarm clock and radio frequency LCD display dedicated IC
Description
2007-12-5
TEC9902B
TEC9902B
LCD
、: TEC9902B , FM/AM/SW ,LCD
CMOS ,。。 1. FM/AM/SW ,: FM:00.0MHz~199.9MHz;AM:000KHz~1999KHz;SW:0.00MHz~29.00MHz 2.,FM:10.7MHz//-10.7MHz//70KHz//-70KHz;AM/SW: 450KHz//455KHz 3. 12/24 ,, 3 , 1 4.,LCD , 5. TAPE 6. 4 7.12 , LCD 8., 32768Hz 9.3 ,17 LCD 10.2.5V~3.5V 。
、LCD ():
.
AL
FM MW LW
.
MHz LOC LOUD KHz MUTE ST...
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