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): 30/54頁
文件大?。?/td> 830K
代理商: LA17000M
LA17000M
No. 6522-30/54
Continued from preceding page.
Pin No.
6
Function
Equivalent circuit
Description
F.E.V
CC
, AM/FM switch
pin
Pin 6 is shared for FM F.E.V
CC
and
the AM/FM SW circuit.
7
AM OSC
First OSC for AM.
Permits oscillation up to the SW
band.
ALC circuit connected.
8
9
Noise AGC sensitivity
AGC adjusting pin
10
AM 2nd OSC
A13366
AM/FM Switch
Circuit
V6 voltage
8V
OPEN
Mode
FM
AM
Pin 8 is the noise sensitivity setting
pin. After setting a moderate field
(approximately 50 dB
μ
), use the pin 9
AGC adjusting pin to make the
setting for weak fields (approximately
20 to 30 dB
μ
).
Shared pin.
CF selectivity switch.
Select either 10.7 MHz 1st IF input
pin 72 or pin 78.
A second local oscillation signal is
injected by the PLL XBuffer.
* The PLL X’tal is as follows:
AM 9 kHz step
AM 10 kHz step 10.25 MHz
(NDK AT-51 type: XTAL oscillator)
10.35 MHz
A13331
A13332
A13367
Continued on next page.
SWON
SOWOPen pin 78 input
pin 78 input
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