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參數資料
| 型號： | LA1836M |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO30 |
| 封裝： | MFP-30 |
| 文件頁數： | 11/13頁 |
| 文件大小： | 534K |
| 代理商： | LA1836M |
Continued from preceding page.
No. 4787-7/13
LA1836, 1836M
Pin No.
Function
Voltage
Internal equivalent circuit
Remarks
23
24
25
26
27
28
29
30
MPX VCO
AM/FM demodulator
output
AM low cut
AM AGC
AM RF input
AFC
OSC
Oscillator buffer output,
FM SD sensitivity
adjustment
3.5 V (FM)
0 V (AM)
2.9 V (FM)
3.0 V (AM)
2.9 V (FM)
3.0 V (AM)
0 V (FM)
0.5 V (AM)
VREG
1.6 V (FM)
1.3 V (AM)
Recommended ceramic resonator: CSB456F15
(Murata)
Output impedance: 1.5 k
(FM), 10 k (AM)
The separation can be adjusted with the external
capacitor connected between this pin and
ground.
The AF demodulation frequency low area
frequency characteristics can be adjusted with
the external capacitor connected between this
pin and ground. The AM detector output can be
attenuated by connecting a resistor in series with
this capacitor.
Internal load resistance: R = 6.7 k
This pin must be used at the same potential as
pin 4.
The FM-SD bandwidth can be adjusted with the
external resistor connected between this pin and
pin 4.
The oscillator coil is connected between this pin
and pin 4.
The FM SD sensitivity can be adjusted with the
external resistor connected between this pin and
ground.
Output impedance ro = 200
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