參數(shù)資料
型號: TS635D
廠商: 意法半導體
英文描述: DUAL WIDE BAND OPERATIONAL AMPLIFIER FOR ADSL LINE INTERFACE
中文描述: 雙寬帶運放的ADSL線路接口
文件頁數(shù): 4/10頁
文件大小: 126K
代理商: TS635D
TS635
4/10
INTERMODULATION DISTORTION
The curves shown below are the measurements results of a single operator wired as an adder with a gain
of 15dB.
The operational amplifier is supplied by a symmetric
±
6V and is loaded with 25
.
Two synthesizers (Rhode & Schwartz SME) generate two frequencies (tones) (70 & 80kHz ; 180 &
280kHz).
An HP3585 spectrum analyzer measures the spurious level at different frequencies.
The curves are traced for different output levels (the value in the X ax is the value of each tone).
The output levels of the two tones are the same.
The generators and spectrum analyzer are phase locked to enhance measurement precision.
3rd ORDER INTERMODULATION
Gain=15dB, Vcc=
±
6V, RL=25
, 2 tones 70kHz/
80kHz
3rd ORDER INTERMODULATION
Gain=15dB, Vcc=
±
6V, RL=25
, 2 tones 180kHz/
280kHz
1
1,5
2
2,5
3
3,5
4
4,5
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
I
Vout peak (V)
230kHz
220kHz
90kHz
60kHz
1
1,5
2
2,5
Vout peak (V)
3
3,5
4
4,5
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
I
80kHz
640kHz
380kHz
740kHz
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