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參數(shù)資料
型號: UBA2051AT
廠商: NXP SEMICONDUCTORS
元件分類: 無繩電話/電話
英文描述: One-chip telephone ICs with speech, dialler and ringer functions
中文描述: TELEPHONE MULTIFUNCTION CKT, PDSO28
封裝: PLASTIC, SOT-136, SO-28
文件頁數(shù): 27/52頁
文件大小: 292K
代理商: UBA2051AT
2000 May 19
27
Philips Semiconductors
Product specification
One-chip telephone ICs with speech,
dialler and ringer functions
UBA2050(A); UBA2051(A;C)
handbook, full pagewidth
MGU186
STANDBY
power-on
ON-LINE
RINGER
on-hook/line break
off-hook
off-hook
ringer signal
ringer invalid
Fig.28 UBA205xx standby, ringer and on-line states.
Table 8
Melody selection during ringer state
Table 9
Ringer volume setting during ringing
MELODY
KEY
Bell 1
Bell 2
Bell 3
Bell 4
[1] (default)
[2]
[3]
[4]
KEY
VOLUME
ATTENUATION
AMPLITUDE
OF
MDY/TONE
[8]
(default)
[7]
highest
0 dB
V
DD
high
6 dB
[6]
low
12 dB
[5]
lowest
18 dB
V
------------------------
0.7
2
0.7
+
V
-----------4
0.7
0.7
+
V
------------------------
0.7
8
0.7
+
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