參數(shù)資料
型號： LA17000M
廠商： Sanyo Electric Co.,Ltd.
英文描述： Tuner System IC with Built-in PLL for Car Audio Applications
中文描述： 調(diào)諧器集成電路與系統(tǒng)專為汽車音響應(yīng)用的鎖相環(huán)
文件頁數(shù)： 42/54頁
文件大?。?/td> 830K
代理商： LA17000M
LA17000M
No. 6522-42/54
Methods for Using the LA17000M
(1) About V
CC
and GND
Pin 56
Pin 39
Pin 14
Pin 77
*Pin 6
Pin 3
V
CC
for FM IF, AM, NC, MPX, and MRC
GND for FM IF and AM
GND for NC, MPX and MRC
V
CC
for FM FE, AM 1st MIX, and 1st OSC
V
CC
for FM FE and AGC, and AM/FM switch
GND for FM FE, AM 1st MIX, and 1st OSC
(2) Notes on AM coil connection
V
CC
for the 1st OSC coil that is connected to pin 7 should have the same electric potential as pin 77.
Connect pin 61 IFT to pin 70 MIX coil. V
CC
should have the same electric potential as pin 56.
(3) AM/FM switch
Pin 6 serves as FM, FE, and RFAGC V
CC
.
(4) Relationship between pin 38 and pin 17
4-1. For FM
Pin 17
STEREO indicator and SD dual-purpose pin
Pin 38
DC input SEEK, STOP pin (control pin)
AC output IF count buffer pin
SW1
OPEN
ON
—
SW2
OPEN
OPEN
ON
Pin 38 voltage
5 V
2.5 V
0.7 V or less
Pin 17
Pin 17
SD
IF count buffer on
IF count buffer on
OFF
High-speed SD
Stereo indicator
Relationship Between Pin 38 Control Method and Output from Pins 38 and 17
Pin 6 voltage
8
OPEN
Mode
FM
AM
IF count buffer
0 to several k
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