參數(shù)資料
型號(hào): 935008930112
廠商: NXP SEMICONDUCTORS
元件分類: 無(wú)繩電話/電話
英文描述: TELEPHONE MULTIFUNCTION CKT, PDSO8
封裝: 7.50 MM, PLASTIC, SOT-176-1, SO-8
文件頁(yè)數(shù): 13/32頁(yè)
文件大?。?/td> 253K
代理商: 935008930112
1996 Nov 21
20
Philips Semiconductors
Product specication
DTMF/modem/musical-tone generators
PCD3311C; PCD3312C
Fig.20 DTMF output voltage levels as a function of
operating supply voltage; RL =1M.
handbook, halfpage
02
46
11
12
14
15
13
MGG518
VDD (V)
VTONE
(dBm)
Tamb =
25 C
+25 C
+70 C
25 C
+25 C
+70 C
HIGH GROUP
LOW GROUP
Fig.21 Dual tone output voltage level as a function
of output load resistance.
handbook, halfpage
0.4
0.8
0.4
0
MGG519
106
105
104
103
VTONE
(dB)
RL ()
Tamb =
25 C
+25 C
+70 C
handbook, full pagewidth
MGG520
01
2
3
4
5
100
80
60
40
20
0
level
(dBm)
frequency (kHz)
CS203
handbook, full pagewidth
MGG521
010
20
30
40
50
100
80
60
40
20
0
level
(dBm)
frequency (kHz)
CS203
Fig.22 Typical frequency spectrum of a dual tone signal after flat-band amplification of 6 dB.
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935008930118 TELEPHONE MULTIFUNCTION CKT, PDSO8
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