|
LA1800 Datasheet, PDF (1/9 Pages) Sanyo Semicon Device – FM/AM Single-Chip Radio | |||
|
TIGER ELECTRONIC CO.,LTD
FM/AM
L A 1800
æ¦è¿°
LA1800 为åç FM/AM æ¶é³æºçµè·¯ï¼FM
é¨åå
å«æ··é¢ï¼æ¬æ¯ä¸æ¾ï¼é´é¢ï¼éåªï¼ä½é
滤波å¨çï¼AM é¨åå
æ¬é«æ¾æ£æ³¢ï¼æ¤å¤è¿æé³
é¢é©±å¨çº§ååæ¾çµè·¯ï¼ç¨ä¸å 1800 çµè·¯åå°
æ°å¤å´å
件ï¼å¯å¶ä½å®æ´çæ¶é³æºã该çµè·¯å·¥
ä½çµæºçµåèå´ä¸º 2.5V~5Vã
该çµè·¯éç¨å¯é´è·ç 22 èååç´æå°è£
ã
å¤å½¢å¾
主è¦ç¹ç¹
å¤æ¥å
å¨ä»¶å°ï¼
åèä½ï¼5.6mA/FM,3.2mA/AMï¼
å·¥ä½çµåä½,Vccmin=2.5Vã
åè½æ¡å¾
22 21
4 56
LPF
7 8 9 15 18 11
FM IF amp
GND
AGC AM det
FM AM
changeover
AM RF amp FM IF amp
post amp
power
mixer
19 20
osc
Vcc
13 2
phase
shifter
FM
discriminator
muting
17 16
10 14 13 12
|
▷ |