參數(shù)資料
型號(hào): PCD4440T
廠商: NXP SEMICONDUCTORS
元件分類: 無(wú)繩電話/電話
英文描述: Analog voice scrambler/descrambler
中文描述: TELECOM, CORDLESS, SCRAMBLER/DESCRAMBLER, PDSO8
封裝: 7.50 MM, PLASTIC, SOT-176-1, SOP-8
文件頁(yè)數(shù): 14/20頁(yè)
文件大?。?/td> 105K
代理商: PCD4440T
1996 Dec 20
14
Philips Semiconductors
Product specification
Analog voice scrambler/descrambler
PCD4440T
10 HANDLING
Inputs and outputs are protected against electrostatic discharge in normal handling. However, it is good practice to take
normal precautions appropriate to handling MOS devices (see “Handbook IC03, Section General, Handling MOS
devices”).
Fig.13 CT0 base unit with direct (Manchester code) data system.
handbook, full pagewidth
MGG734
RF
SECTION
MICROCONTROLLER
PCD33xxA
A/D CONVERTER
DESCRAMBLER
PCD4440T
LINE INTERFACE
TEA106x
EXPANDOR
1/2 NE577
SCRAMBLER
PCD4440T
COMPRESSOR
1/2 NE577
DETECTOR
CHARGING
CIRCUIT
DTMF
data in
data out
mod
TX
RX
I
2
C-bus
RSSI
power down RX
power down TX
telephone
line
VREF
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