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LA1787M
Continued from preceding page.
Pin No.
Function
Description
Equivalent circuit
3k ?
After setting up the medium field
(about 50 dBμ) sensitivity with the
3k ?
200 ?
15k ?
8
9
Noise AGC sensitivity
AGC adjustment
noise sensitivity setting pin (pin 8),
set the weak field (about 20 to
30 dBμ) sensitivity with the AGC
adjustment pin (pin 9)
8
9
3k ?
0.01 μ F
1M ?
+
0.47 μ F
A13559
0.01 μ F
6800pF
3.9k ?
11
12
Memory circuit connection
Recording circuit used during
noise canceller operation.
13
12
VCC
Differential
amp
11
Gate
circuit
LPF
A13560
VCC
30k ?
13
Pilot input
Pin 13 is the PLL circuit input pin.
PLL
N.C
12
0.01 μ F
13
A13561
14
N.C, MPX, MRC, GND
Ground for the N.C., MPX, and
MRC circuits.
Continued on next page.
No. 6655-7/54
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相关代理商/技术参数
LA1787NM 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Single-Chip Car Radio System IC
LA1787NM_09 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Single-Chip Car Radio System IC
LA1787NM-MPB-E 制造商:ON Semiconductor 功能描述:ANALOG CAR RADIO TUNER - Trays 制造商:ON Semiconductor 功能描述:FTRAY / ANALOG CAR RADIO TUNER
LA1787NM-TLM-E 制造商:ON Semiconductor 功能描述:ANALOG CAR RADIO TUNER - Tape and Reel 制造商:ON Semiconductor 功能描述:REEL / ANALOG CAR RADIO TUNER
LA17B-10H 制造商:LIGITEK 制造商全称:LIGITEK electronics co., ltd. 功能描述:LED ARRAY
LA17B-5H 制造商:LIGITEK 制造商全称:LIGITEK electronics co., ltd. 功能描述:LED ARRAY
LA1800 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:FM/AM Single-Chip Radio
LA1805 制造商:Panasonic Industrial Company 功能描述:IC