參數(shù)資料
型號： 935084930112
廠商： NXP SEMICONDUCTORS
元件分類： 無繩電話/電話
英文描述： TELEPHONE SPEECH CKT, PDIP20
封裝： 0.300 INCH, PLASTIC, SOT-146, DIP-20
文件頁數(shù)： 17/38頁
文件大?。?/td> 303K
代理商： 935084930112
March 1994
24
Philips Semiconductors
Product specication
Low voltage versatile telephone transmission circuit
with dialler interface and transmit level dynamic limiting
TEA1064A
Fig.22 Test circuit for defining voltage gain of MIC
, MIC+ and DTMF inputs; voltage gain (Gv) is defined as
20 log
Vo / Vi .
For measuring the gain from MIC
+ and MIC the MUTE input should be LOW
or open-circuit; for measuring the DTMF input, the MUTE input should be HIGH.
Inputs not being tested should be open-circuit.
andbook, full pagewidth
MGR076
VCC1
LN
DLS/MMUTE
PD
MUTE
DTMF
MIC
MIC
+
IR
620
TEA1064A
R4
100
k
RL
600
Iline
C4
100 pF
C7 1 nF
11 to
140 mA
100
F
7
C15
220
F
C1
100
F
Ip
15
14
12
8
9
13
20
C16
470 nF
R7
68
k
C6
100 pF
10
F
392
R1
R15
QR
QR
+
GAR
GAS1
GAS2
4
16
VCC2
19
1
5
6
2
3
Vi
Vo
VEE
REG
AGC
STAB
R9
20
R6
18
17
11
10
R5
3.6
k
C3
470
nF
SLPE
R16
56
相關PDF資料
PDF描述
0672.400 Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT06; Number of Contacts:55; Connector Shell Size:22; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Body Style:Straight
0672.500 Circular Connector; No. of Contacts:61; Series:; Body Material:Aluminum; Connecting Termination:Solder; Connector Shell Size:24; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:24-61
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935007640602 F/FAST SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDIP14
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