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HA12181FP 参数 Datasheet PDF下载

HA12181FP图片预览
型号: HA12181FP
PDF下载: 下载PDF文件 查看货源
内容描述: AM收音机降噪系统 [AM Radio Noise Reduction System]
分类和应用: 消费电路商用集成电路光电二极管
文件页数/大小: 20 页 / 302 K
品牌: RENESAS [ RENESAS TECHNOLOGY CORP ]
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HA12181FP
Test Circuit
V
CC
(8.2V)
Det.Out
B
+
A
R505 C504
47k 0.22µ
IF-IN
PULSE-IN
C501
1000p
50
AM-SG
R502 R503 C507 C509
15k 180k 2200p 0.033µ
C503
0.01µ
+
R504
4.7k
C OUT
+
C508
C506
100µ
16
15
14
13
12
11
10
9
1
AF-IN
+
2
3
4
5
6
7
8
C513
50
R500
100k
AF-SG
+
C502
3.3µ
C500
0.033µ
R506
12k
C512
C511
0.068µ 0.033µ
C510
0.033µ
Unit
R:
C:F
Note: 1. Resistors tolerance are within ±5%.
2. Capacitors tolerance (C509 to C512) are within ±5%, other capacitor are within ±10%.
Operation Principle
Noise
Detector
16
IF
ANT.
1st IFT
A
B
RF
CONV.
IF
DET
C
3
Processing
Waveform Circuit
9
Out
AM-IC
HA12181FP
D
Figure 2 System Block Diagram of AM Radio
Rev.2.00 Jun 15, 2005 page 7 of 19