YOUDA INTEGRATED CIRCUIT
YD1191
SINGLE-CHIP FM/AM RADIO IC—YD1191
DESCRIPTION
The YD1191 is a one-chip FM/AM radio IC designed for radio-cassette tape recorders.
FEATURES
*Small number of peripheral components.
*Low current consumption (Vcc=3V)
For FM:ID=5.3mA (Typ.)
For AM:ID=3.4mA (Typ.)
*Built-in FM/AM select switch.
*Built-in RF AGC, IF AGC circuit.
*Tuning LED driver.
*Large output of AF amplifier.
Vcc=6V,EIAJ output=500mW (Typ.)
When load impedance 8Ω
BLOCK DIAGRAM
28
27
26
25
24
23
22
21
20
19
TUNING
METER
18
17
16
15
AM IF DET AGC
AF Power AMP
AM RF AMP
FM DISCRIMINATOR
FM FE
1
2
3
4
5
6
7
8
9
FM IF AMP
10
11
12
13
14
WuXi YouDa Electronics Co., Ltd
Tel:
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
86-510-85205117
86-510-85205106
Fax: 86-510-85205110
Website: www.e-youda.com
SHENZHEN OFFICE Tel： 86-755-83740369
Fax： 86-755-83741418
Ver 5.0
1 of 4
2006-6-20
YOUDA [ WUXI YOUDA ELECTRONICS CO.,LTD ]
