參數(shù)資料
型號(hào)： THS6007CPWP
廠商： Texas Instruments, Inc.
英文描述： DUAL DIFFERENTIAL LINE DRIVERS AND LOW-POWER RECEIVERS
中文描述： 雙差分線路驅(qū)動(dòng)器和低功耗接收機(jī)
文件頁(yè)數(shù)： 27/36頁(yè)
文件大?。?/td> 679K
代理商： THS6007CPWP
THS6007
DUAL DIFFERENTIAL LINE DRIVERS AND LOW-POWER RECEIVERS
SLOS334– DECEMBER 2000
27
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
noise calculations and noise figure (continued)
As the previous equations show, to keep noise at a minimum, small-value resistors should be used. As the
closed-loop gain is increased (by reducing R
g
), the input noise is reduced considerably because of the parallel
resistance term. This leads to the general conclusion that the most dominant noise sources are the source
resistor (R
S
) and the internal amplifier noise voltage (e
n
). Because noise is summed in a root-mean-squares
method, noise sources smaller than 25% of the largest noise source can be effectively ignored. This can greatly
simplify the formula and make noise calculations much easier to calculate.
This brings up another noise measurement usually preferred in RF applications, noise figure (NF). Noise figure
is a measure of noise degradation caused by the amplifier. The value of the source resistance must be defined
and is typically 50
in RF applications.
2
ni
eRs
NF
10log
e
Because the dominant noise components are generally the source resistance and the internal amplifier noise
voltage, we can approximate the noise figure as:
NF
10log
1
en
2
IN
RS
2
4 kTRS
The Figure 83 shows the noise figure graph for the drivers of the THS6007. Figure 84 shows the noise figure
graph for the receivers of the THS6007.
Figure 83
DRIVER NOISE FIGURE
vs
SOURCE RESISTANCE
18
14
0
20
16
12
D
Rs – Source Resistance –
10
100
1k
10k
TA = 25
°
C
8
4
10
6
2
Figure 84
0
5
10
15
20
25
30
35
40
Source Resistance – RS (
)
f = 10 kHz
TA = 25
°
C
RECEIVER NOISE FIGURE
vs
SOURCE RESISTANCE
10
100
1k
10k
R
100k
相關(guān)PDF資料
PDF描述
THS6007IPWP DUAL DIFFERENTIAL LINE DRIVERS AND LOW-POWER RECEIVERS
THS6042CD 350 mA, 【12 V ADSL CPE LINE DRIVERS
THS6042EVM 350 mA, 【12 V ADSL CPE LINE DRIVERS
THS6043CD 350 mA, 【12 V ADSL CPE LINE DRIVERS
THS6043EVM 350 mA, 【12 V ADSL CPE LINE DRIVERS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
THS6007IPWP 功能描述:電信線路管理 IC Dual Diff Line Drvr & Lo-Pwr Receivers RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
THS6012 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL DIFFERENTIAL LINE DRIVERS AND RECEIVERS
THS60121 制造商:Texas Instruments 功能描述:THS60121
THS6012CDWP 功能描述:緩沖器和線路驅(qū)動(dòng)器 500-mA Dual Diff Line Driver RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
THS6012CDWP 制造商:Texas Instruments 功能描述:DIFF LINE DRIVER SMD 6012 HSOP20
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*