TDA7227 Datasheet, PDF (4/5 Pages) STMicroelectronics – SINGLE-CHIP AM/FM RADIO WITH FRONT-END

TDA7227
COIL DATA
Coil N^o
f
(Hz)
L CO
(µH) (pF)
QO
Turns
1 -2 2-3 1- 3 1- 4 1-6
Wire
(mm∅)
Ref. *
L1 FM RF 100M
100
21
2
0.5 U EW
3
L2 FM OSC 100M
100
2
4
0.5 U EW
L3 AM OSC 796k 288
115 13 73
0.08 UEW S - 4147 - 1356 - 045
T1 FM MIX 10.7M
75 115
12
1 0.12 UEW S - 0133 - 309 - 045
T2 AM MIX 455k
180 120
180
15 0.08 UEW S - 2150 - 2162 - 165
T3 FM DET 10.7M
47 165
16
0.09 UEW S - 2153 - 4095 - 132
* S : Sumida Electronic CO, Ltd.
L1
6
1
L2
L3
3
V.C. 3
4
Pin 20 ²
1
V_CC 1
6
T1
T2
T3
Pin 3 3
2
V_CC 1
4 V_CC
V_CC 3
2
6 C.F. _{Pin 1} 1
4 C.F. 3
4
2
6 V_CC
1
6
7 22 7 -0 4 .EPS
4/5