CA3189 Просмотр технического описания (PDF) - Intersil
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CA3189 Datasheet PDF : 8 Pages
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CA3189
oTypical Application
1.8K
10nF
1.8K
3.3K
390
3.3K
390
10nF 10nF
47Ω
L (NOTE 14)
+12V
Q1
10.7MHz
FROM 1nF
TUNER
2.2K 470
(NOTE 13)
CF
Q2
10nF
2.2K 470
(NOTE 13)
CF
10nF
100
pF
68K
22µH
3.9K
8.2K
10µF
10K
AFT
10nF
11
1
390
3
10nF
2
10nF
4
15
8
9
CA3189E
13
10
12
16
470
10µF
7
12K
AUDIO
6
5
47K
10nF 10nF
RF AGC
33K 10K
100nF
47K
47µF
NOTES:
12. All resistance values are in ohms.
13. CF: Ceramic filters, TOKO CSFE or equivalent.
14. L tunes with 100pF (C) at 10.7MHz. Q0 (unloaded) ≅ 75 (TOKO No. KACS K586HM or equivalent).
FIGURE 3. COMPLETE FM IF SYSTEM FOR HIGH QUALITY RECEIVERS
10K
2.2µF 3.9nF
0V
TUNING
7
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