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參數(shù)資料
| 型號： | UPD1723GF-013 |
| 廠商： | NEC Corp. |
| 英文描述： | PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LF TUNER CAR AUDIO |
| 中文描述： | 鎖相環(huán)頻率合成器和控制器的調(diào)頻/中波/低頻調(diào)諧器汽車音響 |
| 文件頁數(shù)： | 6/80頁 |
| 文件大?。?/td> | 1590K |
| 代理商： | UPD1723GF-013 |
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6
μ
PD1723GF-013,
μ
PD1723GF-213
OUTPUT
TYPE
PIN NAME
PIN No.
SYMBOL
DESCRIPTION
The FM local oscillation output (VCO output) is input
to this pin.
When the radio is turned on and the FM band is
received, this pin becomes active. Otherwise, it is
pulled down internally.
The input amplitude is 0.3 V
P-P
MIN.
Since there is an on-chip AC amplifier, block the DC
component of the input signal with a capacitor.
Device select signal input pin.
When the device is operated normally (radio, tape, CD,
clock display, etc.), High level is input and when the
device is not used, Low level is input.
However, High and Low levels of 134
μ
s or less are not
accepted.
When this pin is Low level, the radio, tape, CD, and
display are turned off and the device enters the data
hold state.
At this time, data hold at low consumption current (400
nA or less) is possible by setting the NOCLK switch of
the diode matrix to be described later to 1 (shorted by
diode, no-clock mode).
Radio mode AGC (AUTOMATIC GAIN CONTROL) cut
signal output pin.
During autotuning, the High level shown below is
output.
Input
6
FM
FM local
oscillation
input
Input
7
CE
Chip enable
AGC cut
output
CMOS
pushpull
9
AGCC
RDMUTE
Pin
50 ms
40 ms
AGCC Pin
Key ON
250 to 375 ms
Broadcast Station
Key ON Chattering Wait
Premuting
Postmuting
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| UPD1723GF-211-3KE | PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LF TUNER CAR AUDIO |
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參數(shù)描述 |
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| UPD1723GF-211-3KE | 制造商:NEC 制造商全稱:NEC 功能描述:PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LF TUNER CAR AUDIO |
| UPD1723GF-213 | 制造商:NEC 制造商全稱:NEC 功能描述:PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LF TUNER CAR AUDIO |
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