LA1823_06 Datasheet, PDF (9/12 Pages) Sanyo Semicon Device – Single-Chip Tuner ICs for Use in Radio Cassette Recorder

Continued from preceding page.
Pin
number
Function
8
Stereo indicator,
AM-oscillator
buffer output
LA1823, LA1823M
Quiescent
voltage (V)
AM
FM
4.5
4.5
Remarks
Active-low
Open-collector output
AM oscillator signal is output in AM mode
Equivalent circuit
8
9
AM-MIX output
4.5
4.5 Connect the AM mixer coil between this pin
and pin 4 (VCC1)
9
4
10
FM-IF input
1.2
1.2 Rin = 330Ω
11
AM-IF input
1.2
1.2 Rin = 2kΩ
12
AM-AGC output
and FM signal
meter output
0.4
0.1 Internal load resistance
R = 16.6kΩ
13
FM-DET
3.9
3.7 Recommended ceramic discriminator :
CDF107F-AE-029 (Toko)
CDA10.7MG1-A (Murata, tentative)
10
Rin
2
11
Rin
2
12
R
13
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