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| 型号： | TA8127F |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO24 |
| 封装： | 0.300 INCH, 1 MM PITCH, PLASTIC, SSOP-24 |
| 文件页数： | 5/17页 |
| 文件大小： | 1374K |
| 代理商： | TA8127F |
TDA9917_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Objective data sheet
Rev. 01 — 9 June 2006
13 of 20
Philips Semiconductors
TDA9917
8-bit, up to 250 Msample/s Analog-to-Digital Converter (ADC)
11.2.3 THD (total harmonic distortion)
The ratio of the power of the harmonics to the power of the fundamental.
For k
1 harmonics the THD is:
where:
The value of k is usually 6 (i.e. calculation of THD is done on the rst 5 harmonics).
11.2.4 S/N (signal-to-noise ratio)
The ratio of the output signal power to the noise power, excluding the harmonics and the
DC component is:
11.2.5 SFDR (spurious free dynamic range)
The number SFDR species the available signal range as the spectral distance between
the amplitude of the fundamental and the amplitude of the largest spurious harmonic and
non-harmonic, excluding DC component:
THD dB
()
10log
10
P
harmonics
P
signal
-------------------------
=
P
harmonics
a
2
a
2
3
...
a
2
k
++
+
=
P
signal
a
2
1
=
S/NdB
[]
10log
10
P
signal
P
noise
----------------
=
SFDR dB
[]
20
log
10
×
a
1
max S
()
------------------
=
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相关代理商/技术参数 |
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| TA8127N | 制造商:Panasonic Industrial Company 功能描述:IC |
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