參數(shù)資料
型號(hào): 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(guān)電路免提操作
文件頁(yè)數(shù): 18/26頁(yè)
文件大?。?/td> 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
相關(guān)PDF資料
PDF描述
U4087B Low Voltage Voice Switch Interface Circuit for Hands-free Operation in Telephone
U4087B-FP Low Voltage Voice Switch Interface Circuit for Hands-free Operation in Telephone
U4090B-N Low power dual voltage comparators
U4090B-NFN Low power dual voltage comparators
U4090B-NFNG3 Low power dual voltage comparators
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)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