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參數(shù)資料
| 型號： | TSH113ID |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 運動控制電子 |
| 英文描述： | Hook-Up Wire; Conductor Size AWG:16; No. Strands x Strand Size:19 x 28; Jacket Color:Red; Approval Bodies:UL, CSA; Approval Categories:UL AWM Style 1061; CSA AWM; Conductor Material:Copper; Jacket Material:Polyvinylchloride (PVC) RoHS Compliant: Yes |
| 中文描述： | 寬帶，低噪聲運算放大器 |
| 文件頁數(shù)： | 13/19頁 |
| 文件大小： | 424K |
| 代理商： | TSH113ID |
TSH110-TSH111-TSH112-TSH113-TSH114
13/19
Intermodulation Distortion
A non-ideal output of the amplifier can be de-
scribed by the following development :
V
out
=C
0
+C
1
(V
in
)+C
2
(V
in
)
2
+C
3
(V
in
)
3
+...+C
n
(V
in
)
n
due to a non-linearity in the input-output amplitude
transfert. In the case of V
in
=Asin
ω
t, C
O
is the DC
component, C
1
(V
in
) is the fundamental, C
n
A
n
is
the amplitude of the harmonics.
A one-frequency or one-tone input signal contrib-
utes to a harmonic distortion. A two-tones input
signal contributes to a harmonic distortion and in-
termodulation product.
This intermodulation product or intermodulation
distortion of a two-tones input signal is the first
step of the amplifier study for driving capability in
the case of a multitone signal.
In this case V
in
=Asin
ω
1
t+Bsin
ω
2
t, and :
V
out
=
C
O
+C
1
(Asin
ω
1
t+Bsin
ω
2
t)
+
C
2
(Asin
ω
1
t+Bsin
ω
2
t)
2
+C
3
(Asin
ω
1
t+Bsin
ω
2
t)
3
+
...C
n
(V
in
)
n
V
out
=
C
O
+C
1
(Asin
ω
1
t+Bsin
ω
2
t)
+
C
2
(A
2
+B
2
)/2-(C
2
/2)(A
2
cos2
ω
1
t+B
2
cos2
ω
2
t)
+
2C
2
AB(cos(
ω
1
-
ω
2
)t-cos(
ω
1
+ω
2
)t)
+
(3C
/4)
(A
3
sin
ω
1
t+B
3
sin
ω
2
t+2A
2
Bsin
ω
2
t+2B
2
Asin
ω
1
t)
+
(C
3
A
3
sin3
ω
1
t+B
3
sin
3ω
2
t)
+
(3C
3
A
2
B/2)(sin(2
ω
1
-
ω
2
)t-
1/2
sin(2
ω
1
+ω
2
)t)
+
(3C
3
B
2
A/2)(sin(
ω
1
+2
ω
2
)t-
1/2
sin(
ω
1
+2ω
2
)t)
+
...C
n
(V
in
)
n
In this expression, we can recognize the second
order intermodulation IM2 by the frequencies
(
ω
1
-
ω
2
) and (
ω
1
+ω
2
) and the third order intermod-
ulation IM3 by the frequencies (2
ω
1
-
ω
2
), (2
ω
1
+ω
2
),
(
ω
1
+2
ω
2
) and (
ω
1
+2ω
2
).
The following graphs show the IM3 of the amplifier
in two cases as a function of the output amplitude.
The two-tones input signal is achieved by the mul-
tisource generator Marconi 2026. Each tone has
the same amplitude. The measurement is
achieved by the spectrum analyser HP 3585A.
Both instruments are phase locked to enhance
measurement precision.
(fig.30): 3
rd
Order Intermodulation
(180kHz &
280kHz)
A
V
=+4, R
fb
=680
, no C
fb
, R
L
=100
, Vcc=±6V
(fig.31): 3
rd
Order Intermodulation
(1MHz &
1.1MHz)
A
V
=+2, R
fb
=680
, C
fb
=2pF, R
L
=100
, Vcc=±2.5V
0
1
2
3
4
5
-100
-95
-90
-85
-80
-75
-70
-65
-60
640kHz
80kHz
380kHz
740kHz
I
Output Amplitude (V
peak
)
0.0
0.5
1.0
1.5
2.0
-100
-95
-90
-85
-80
-75
-70
-65
-60
900kHz
1.2MHz
3.1MHz
3.2MHz
I
Output Amplitude (V
peak
)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TSH113IDT | 功能描述:高速運算放大器 Op Amp Widebnd Lo Noise RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| TSH113IPT | 功能描述:高速運算放大器 Op Amp Widebnd Lo Noise RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| TSH114 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Wide band low noise operational amplifiers |
| TSH-114-01-F-D | 制造商:Samtec Inc 功能描述:2MM HORIZONTAL MOUNT TERMINAL STRIP - Bulk |
| TSH-114-01-F-DV | 制造商:Samtec Inc 功能描述:2MM HORIZONTAL MOUNT TERMINAL STRIP - Bulk |
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