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Datasheet: YD1191 (No company)

SINGLE-CHIP FM/AM RADIO IC

 

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No company
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 8
BLOCK DIAGRAM
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
AF Power AMP
FM IF AMP
TUNING
AM RF AMP
AM IF DET AGC
FM DISCRIMINATOR
FM FE
METER


WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: 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 INTEGRATED CIRCUIT
YD1191
ABSOLUTE MAXIMUM RATINGS
(Tamb=25)
PARAMETER SYMBOL
VALUE
UNIT
Supply Voltage
Vcc
9
V
Power Dissipation
P
D
700 mW
Operating Temperature
Topr
-10+70
Storage Temperature
Tstg
-50+125
ELECTRICAL CHARACTERISTICS
(Tamb=25, V
CC
=6VUnless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS
MIN TYP MAX UNIT
AM, Vin=0
3.5
10.0
Quiescent Current
Iccq
FM, Vin=0
7.0
14.0
mA
FM:
Front End
Voltage Gain
A
V1
Vin1=40dBV/100MHz 32
39
46 dB
Detection Output
V
D1
Vin1=90dBV/10.7MHz
(1kHz,22.5kHz DEV)
39 77.5 155 mV
IF Knee Level
V
SEN1
V
in3
=level at a point
3dB down
24
32
dBV
DetectionOutput
Distortion Factor
THD1
Vin1=90dBV/10.7MHz
(1KHz, 75kHz DEV
0.3 2.0 %
FM Meter Current
I
BI
Vin3=60dBV/10.7MHz 1.8
3.5
7.0 mA
AM:
Front End
Voltage Gain
Av2 Vin2=80dBV/1660kHz 15
22 29 dB
IF Voltage Gain
V
SEN2
455kHz(kHz 30% MOD), output
is -3.4dBm
14 20 27 dB
Detector Output
V
D2
Vin3=85dBV/455kHz
(1kHz, 30%MOd)
39 77.5 155 mV
Meter Current
I
B2
Vin3=85dBV/455kHz
(kHz, 30%MOD)
1.3 3.0 7.0 mA
Detection Output
Distortion Factor
THD2
Vin2=95dBV/1660kHz
(1kHz, 30%MOD), Vcc=7.8V
0.6 2.0 %
Audio Voltage Gain
Av3
Vin3=60dBV/10.7MHz
Vin4=30dBm/1kHz
27 31.5 36 dB
Audio Distortion
Factor
THD3
Vin3=60dBV/10.7MHz
Vin4=-20dBm/1kHz
Output is 50mW
0.3 2.5 %
Muting Level
Av4
Vin3=0dBV/10.7MHz
Vin4=-20dBm/1kHz
Output is 50mW
8 15 22 dB
WuXi YouDa Electronics Co., Ltd 2 of 4 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD1191
APPLICATION CIRCUIT
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
23
4
5
6
7
8
9
10
11
12
13
14
0.1F
C19
+
220F
C20 0.1F
+
C18 470F
+
C17 10F
+
0.47F
C16 0.022F
+
C14 10F
+
C13 4.7F
+
C12 10F
C22
0.01F
+
4.7F
C7
1pF
C5
10F
C6
0.01F
YD1191
C21
C15
CF1
R6
1k
BATT
SW2
R5
330
C11
100pF
R4
2.2K
C10
0.01F
SW1
FM
AM
ANT
BPF
+
EPJ
R2
10 k
RV1
50k
C4
6pF
CF3
R3
150
R4
100k
C8
C3
22pF
C2
18pF
C1
2pF
T1
L1
L2
L3
L4
WuXi YouDa Electronics Co., Ltd 3 of 4 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD1191
OUTLINE DRAWING

WuXi YouDa Electronics Co., Ltd 4 of 4 Website: www.e-youda.com
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