參數(shù)資料
型號: THS6022PWP
廠商: Texas Instruments, Inc.
英文描述: 250-mA DUAL DIFFERENTIAL LINE DRIVER
中文描述: 250毫安雙差分線路驅動器
文件頁數(shù): 26/38頁
文件大?。?/td> 646K
代理商: THS6022PWP
THS6022
250-mA DUAL DIFFERENTIAL LINE DRIVER
SLOS225C – SEPTEMBER 1998 – REVISED JANUARY 2000
26
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
noise calculations and noise figure (continued)
This brings up another noise measurement usually preferred in RF applications, the 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.
NF
10log
e
2
ni
e
Rs
2
Because the dominant noise components are generally the source resistance and the internal amplifier noise
voltage, we can approximate noise figure as:
NF
10log
1
en
2
IN
RS
2
4 kTR
S
Figure 52 shows the noise figure graph for the THS6022.
NOISE FIGURE
vs
SOURCE RESISTANCE
18
14
0
20
16
12
N
Rs – Source Resistance –
10
100
1 k
10 k
TA = 25
°
C
8
4
10
6
2
Figure 52. Noise Figure vs Source Resistance
相關PDF資料
PDF描述
THS6022CGQE 250-mA DUAL DIFFERENTIAL LINE DRIVER
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相關代理商/技術參數(shù)
參數(shù)描述
THS6022TPWP 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
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THS6032CDWPG4 功能描述:緩沖器和線路驅動器 Low-Pwr ADSL Cent-Office Line Drv 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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
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