參數(shù)資料
型號(hào)： MT88E45AS
廠商： Mitel Networks Corporation
英文描述： 4-Wire Calling Number Identification Circuit 2(4-Wire CNIC2)
中文描述： 4線來(lái)電號(hào)碼識(shí)別電路2（4線CNIC2）
文件頁(yè)數(shù)： 16/30頁(yè)
文件大?。?/td> 523K
代理商： MT88E45AS
MT88E45
Data Sheet
16
Zarlink Semiconductor Inc.
Figure 8 - Gain Ratio as a Function of Nominal Vdd
Gain Setting Resistor Calculation Example for Figure 8:
For the desired nominal Vdd, use Figure 8 to determine approximate A
v
.
For the GS1 op-amp, start with the 0 dB gain setting resistor values of R5
0dB
, R6
0dB
and R7
0dB
. In Figure 7
these values are 53K7, 60K4 and 464 K respectively. Keep C1,C2,R1,R2,R3,R4 as in Figure 7 to maintain
the highpass corner frequency constant for all gain settings.
For the desired gain setting of A
v
:
R7
Av
= R7
0dB
x A
V
Scaled for desired gain. Choose
the closest standard resistor value as R7
Av
.
Actual A
v
from now on is R7
Av
/R7
0db
R5
Av
= R5
0dB
x A
V
Scaled for good common mode range. Choose
the closest standard resistor value as R5
Av
.
1/R6
Av
= 1/R5
Av
- 1/R7
Av
Calculate R6
Av
so that R5
Av
=R6
Av
|| R7
Av
. Choose
the closest standard resistor value as R6
Av
.
Repeat for R
10
, R
11
, R
12
for the GS2 op-amp.
3.0
3.5
4.0
4.5
5.0
Nominal Vdd (Volts)
0.50
0.55
0.60
0.65
0.70
0.75
0.80
0.85
0.90
0.95
1.00
G
0.668
0.531
0.794
Gain ratio for
Bellcore GS1, GS2
ETSI GS2 op amps
Gain ratio for ETSI
GS1 op amp
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT88E45B 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:4-Wire Calling Number Identification Circuit 2 (4-Wire CNIC2)
MT88E45BN 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:4-Wire Calling Number Identification Circuit 2
MT88E45BN1 制造商:Microsemi Corporation 功能描述:CALLER ID CMOS 3.58MHZ 3.3V 20SSOP - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC CNIC CIDCW CID 20SSOP 制造商:Microsemi Corporation 功能描述:IC CNIC CIDCW CID 20SSOP
MT88E45BNR 制造商:Microsemi Corporation 功能描述:CALLER ID CMOS 3.58MHZ 3.3V 20SSOP - Tape and Reel
MT88E45BNR1 制造商:Microsemi Corporation 功能描述:CALLER ID CMOS 3.58MHZ 3.3V 20SSOP - Tape and Reel 制造商:Zarlink Semiconductor Inc 功能描述:CALLER ID CMOS 3.58MHZ 3.3V 20SSOP - Tape and Reel
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