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參數(shù)資料
| 型號： | AN6425K |
| 廠商： | PANASONIC CORP |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Speech Network Circuit |
| 中文描述： | TELEPHONE SPEECH CKT, PDIP28 |
| 封裝： | 0.400 INCH, SHRINK, PLASTIC, DIP-28 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大小： | 104K |
| 代理商： | AN6425K |
I
Pin Descriptions (cont.)
Pin No.
Pin name
8
9
10
11
12
13
14
15
16
Mute
LPF (1)
LPF (2)
LPF (3)
MIC input
HC
DMC
SPC
TT input
Microphone input pin.
Input pin for the microphone.
HOLD TONE control pin.
The HOLD TONE transmission mode
is set by setting this pin to Low.
DIAL MUTE control pin.
The DTMF transmission mode is set by
setting this pin to Low.
SPEAKER control pin.
The speaker mode is set by setting this
pin to Low.
DTMT signal input pin.
Inputs a DTMF signal. A signal is sent
to the circuit when the Pin14 is at Low.
Typical waveform
Description
Equivalent circuit
0V
1V
1V
Hole Tone Mode
0V
DTMF
Transmission Mode
0V
Speaker Mode
V
CC
V
CC
10k
12
V
CC
V
CC
10k
13
V
CC
V
CC
10k
14
V
CC
V
CC
10k
15
V
CC
V
ref
10k
16
Transmitter filter pin.
Constitutes the tertiary active filter with the
external parts C and R, and capable of
controlling the high-pass transmitter fre-
quency characteristic.
Noise precentice peak hold pin.
Connect to GND via 10
μ
F.
DC
W/o
External
Capafitor
W/External Capafitor
V
CC
V
CC
8
V
CC
V
CC
V
CC
9
10
11
+
–
+
–
40k
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AN6426NK | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Hands-free Speech Network IC |
| AN644 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:QuickChip Design Example 2 Low Power Silicon BJT LNA for 1.9GHz |
| AN6448NFBP | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Speech Network IC Incorporating Cross-Point Switch |
| AN645 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:USING KEELOQ㈢ TO GENERATE HOPPING PASSWORDS |
| AN6454SH | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Pager Direct Conversion FSK Demodulator Mixer IC |
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