參數(shù)資料
型號: LA1780M
廠商: Sanyo Electric Co.,Ltd.
英文描述: Single-Chip Tuner IC for Car Radios
中文描述: 單芯片調(diào)諧器IC的汽車收音機
文件頁數(shù): 19/38頁
文件大小: 764K
代理商: LA1780M
No. 5724-19/38
LA1780M
Pin No.
Function
Description
Equivalent circuit
AM/FM
switching circuit
To RF
Amp.
To 2nd
MIX
Continued from preceding page.
Continued on next page.
Double balanced mixer
Pins 60 and 61 are the mixer
10.7-MHz output
Pins 63 and 64 are the mixer
input.
This is an emitter insertion type
circuit, and the amount of
insertion is determined by the
capacitors C1 and C2.
59
60
63
64
Mixer output
Mixer input
Note:The lines for pins 63 and 64
must be kept separated from
the lines for pins 60 and 61.
Pin 62 functions both as the FM
front end V
CC
and the AM/FM
switching circuit.
6
Front end V
CC
AM/FM
switching
1st MIX
INPUT
First mixer input
The input impedance is about
10 k
.
62
Crystal oscillator circuit
The Kinseki, Ltd. HC-49/U-S and
a C
L
of 20 pF must be used.
10
AM 2nd OSC
V6 voltage
When 8 V
FM
OPEN
AM
Mode
相關(guān)PDF資料
PDF描述
LA1780 Single-Chip Tuner IC for Car Radios
LA1781M Single-Chip Tuner IC for Car Radios
LA1784 Single-Chip Tuner IC for Car Radios
LA1784M Single-Chip Tuner IC for Car Radios
LA1787M Single-Chip Tuner IC for Car Radios
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LA1780MA-A-MPB-E 制造商:ON Semiconductor 功能描述:ANALOG CAR RADIO TUNER - Trays 制造商:Rochester Electronics LLC 功能描述: 制造商:ON Semiconductor 功能描述:FTRAY - ANALOG CAR RADIO TUNER
LA1781M 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For Car Radios Single-Chip Tuner IC
LA1781M_09 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For Car Radios Single-Chip Tuner IC
LA1781MA-MPB-E 功能描述:調(diào)諧器 RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度:
LA1781MD-A-MPB-E 制造商:ON Semiconductor 功能描述:ANALOG CAR RADIO TUNER - Trays