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參數資料
| 型號： | U4084B |
| 英文描述： | Low-Voltage, Voice-Switched Circuit for Hands-Free Operation |
| 中文描述： | 低電壓，語音開關電路免提操作 |
| 文件頁數： | 18/26頁 |
| 文件大小： | 544K |
| 代理商： | U4084B |
U4084B
TELEFUNKEN Semiconductors
Rev. A1, 31-Jan-97
Preliminary Information
18 (26)
0
1
0
20
40
60
P
f (kHz)
10
C
VB
= 1000 F
MICO,
= 220 F
94 7870 e
Figure 19. Power supply rejection of the microphone amplifier
3
4
5
6
0
1
2
3
5
6
V
O
V
S
(V)
4
MICO
TO,RO
TO
RO
94 7872 e
Figure 20. Typical output swing versus V
S
+
–
Comparator
–
+
R
1
I
1
MICO
MIC amp.
RLI2
I
3
R
3
SAO
C1
Attenuator
control
+
–
Comparator
–
+
R
2
I
2
TLI1
RLI1
I
4
R
4
C2
T attenuator
TI
TO
R attenuator
RECO
RI
Hybrid
ext. Transmit. amp.
Ring
Tip
Speaker amp.
ext. Receive amp.
Acoustic
coupling
G
ST
12677
Figure 21. Basic block diagram for design purposes
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相關代理商/技術參數 |
參數描述 |
|---|---|
| U4084B-FL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Speakerphone Circuit |
| U4085B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Technische Daten Technical Data |
| U4087B | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Low Voltage Voice Switch Interface Circuit for Hands-free Operation in Telephone |
| U4087B-FP | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Low Voltage Voice Switch Interface Circuit for Hands-free Operation in Telephone |
| U4089B | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT |
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