參數(shù)資料
型號(hào)： 933821300112
廠商： NXP SEMICONDUCTORS
元件分類： 無繩電話/電話
英文描述： TELEPHONE SPEECH CKT, PDIP18
封裝： 0.300 INCH, PLASTIC, SOT-102, DIP-18
文件頁數(shù)： 11/29頁
文件大?。?/td> 231K
代理商： 933821300112
June 1990
19
Philips Semiconductors
Product specication
Low voltage versatile telephone
transmission circuit with dialler interface
TEA1067
APPLICATION INFORMATION
Fig.16 Typical application of the TEA1067, shown here with a piezoelectric earpiece and DTMF dialling.
The bridge to the left, the zener diode and R10 limit the current into the circuit
and the voltage across the circuit during line transients. Pulse dialling or
register recall require a different protection arrangement.
The DC line voltage can be set to a higher value by the resistor RVA (REG to
SLPE).
handbook, full pagewidth
MGR090
620
R1
MIC
MIC
+
GAR
QR
IR
QR
+
SLPE
MUTE
PD
GAS1
LN
VCC
GAS2
REG
AGC STAB
VEE
DTMF
390
R8
R6
+
C3
4.7
F
R9
20
R5
3.6
k
R7
C5
100 nF
Zbal
100 pF
C6
R3
3.92
k
R2
130 k
BZX79-
C12
BAS11
(2
×)
BZW14
(2
×)
telephone
line
R10
13
RVA
C1
100
F
TEA1067
R4
R11
C4
100
pF
C7
1 nF
from dial
and
control circuits
相關(guān)PDF資料
PDF描述
933888910623 F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16
933794820602 F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16
933890190112 800 mA, 55 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
933821820115 制造商:NXP Semiconductors 功能描述:TRANS NPN SW 40V 100MA SOT89-3
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