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參數(shù)資料
| 型號： | TK2019 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | STEREO 20W (4OHM) CLASS-T DIGITAL AUDIO AMPLIFIER |
| 中文描述： | 立體聲20瓦（4Ω）類- T的數(shù)字音頻放大器 |
| 文件頁數(shù)： | 13/21頁 |
| 文件大?。?/td> | 414K |
| 代理商： | TK2019 |
Tripath Technology, Inc. - Technical Information
13
TK2019 – MC/2.1/10-03
+
24V
R
9.1K
R
4.64K
R
54.9K
C
0.1uF
C
10.0uF
R
9.1K
R
FBB2
1.0K
R
FBB1
1.0K
TC2001
6
2
Node 1
Figure 1: Modulator Feedback Bias Resistors
The equivalent formula to calculate R
BIAS1
is:
1
R
Where R
FB
is:
1
R
+
BIAS2
FB
BIAS1
R
1
R
1
+
=
FBB2
FBC2
FBB1
FBC1
FB
R
R
1
+
R
R
1
+
=
TK2019 Amplifier Gain
The gain of the TK2019 is the product of the input stage gain and the modulator gain. Please refer to
the sections, Input Stage Design, and Modulator Feedback Design, for a complete explanation of how
to determine the external component values.
A
A
A
=
FBB
I
R
R
MODULATOR
V
STAGE
INPUT
V
TK2019
V
+
≈
FBB
FBC
F
TK2019
V
R
R
R
A
For example, using a TK2019 with the following external components,
R
I
= 20k
R
F
= 20k
R
FBB
= 1k
R
FBC
= 9.1k
V
V
10
1k
1k
9.1k
20k
20k
A
TK2019
V
≈
+
≈
Please note that Output 1 and Output 2, as shown in the Application/Test Diagram, are out of phase
with respect to the input signal. This phase reversal can be eliminated by connecting the negative
terminals of the speakers to Output 1 and Output 2 and the positive speaker terminals to ground.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TK20-19,1/9,5-PVDF | 制造商:HellermannTyton 功能描述:HEATSHRINK, 2:1, 19.1MM, 1.2M 制造商:HELLERMANN TYTON 功能描述:HEATSHRINK, 2:1, 19.1MM, 1.2M; I.D. Supplied - Metric:19.1mm; I.D. Supplied - Imperial:0.751"; I.D. Recovered Max - Metric:9.5mm; I.D. Recovered Max - Imperial:0.374"; Shrink Ratio:2:1; Shrink Tubing / Boot Material:PVDF ;RoHS Compliant: Yes |
| TK20-191/95-PVDF | 制造商:HellermannTyton 功能描述:HEATSHRINK 2:1 19.1MM 1.2M |
| TK20-2,4/1,2-PVDF-CL | 制造商:HellermannTyton 功能描述:HEATSHRINK, 2:1, 2.4MM, 1.2M 制造商:HellermannTyton 功能描述:HEATSHRINK, 2:1, 2.4MM, 1.2M, I.D. Supplied - Metric:2.4mm, I.D. Supplied - Impe |
| TK20-24/12-PVDF-CL | 制造商:HellermannTyton 功能描述:HEATSHRINK 2:1 2.4MM 1.2M |
| TK20-25,4/12,7-PVDF | 制造商:HellermannTyton 功能描述:HEATSHRINK, 2:1, 25.4MM, 1.2M 制造商:HELLERMANN TYTON 功能描述:HEATSHRINK, 2:1, 25.4MM, 1.2M; I.D. Supplied - Metric:25.4mm; I.D. Supplied - Imperial:0.999"; I.D. Recovered Max - Metric:12.7mm; I.D. Recovered Max - Imperial:0.499"; Shrink Ratio:2:1; Shrink Tubing / Boot Material:PVDF ;RoHS Compliant: Yes |
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