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參數資料
| 型號： | MAX2108CEG |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 調諧器 |
| 英文描述： | Direct-Conversion Tuner IC |
| 中文描述： | 1-BAND, VIDEO TUNER, PDSO24 |
| 封裝： | 0.150 INCH, 0.025 INCH PITCH, QSOP-24 |
| 文件頁數： | 9/12頁 |
| 文件大?。?/td> | 155K |
| 代理商： | MAX2108CEG |
M
Direc t-Conversion Tuner IC
_______________________________________________________________________________________
9
MHz
DESIRED
CHANNEL
(20Msps)
dBc
AT POINT
0
0
10
PASSBAND FILTER REQUIREMENTS:
(1) <20% OF BAUD PERIOD DELAY RIPPLE
(2) <0.1dB GAIN RIPPLE
TRANSITION BAND FILTER REQUIREMENTS:
< 2dB GAIN RIPPLE
FILTER CUTOFF
12
20
28
40
MHz
17.16
-30
ADC SAMPLING
TRANSPONDER SPACING = 29.16 MHz
LOWPASS FILTER RESPONSE
DESIRED
CHANNEL
(20Msps)
UNDESIRED ADJACENT CHANNEL
TRANSPONDER BW = 24MHz
dBc
AT POINT
0
1
0
10
DATA NYQUIST
NYQUIST FOR ADC
α
= 0.2
12
20
29.16
40 41.16
17.16
-30
ADC SAMPLING
MHz
DESIRED
CHANNEL
(20Msps)
ADJ
CHANNEL
FOLDOVER
dBc
AT POINT
0
0
10
ADC NYQUIST
12
20
40
17.16
-30
ADC SAMPLING
MHz
DESIRED
CHANNEL
(20Msps)
FOR POINTS 1, 2, 3, 4, REFER TOFIGURE 1
DIGITAL MATCHED FILTER
dBc
AT POINT
4
0
10 12
40
-30
ADC SAMPLING
2
3
Figure 2. Lowpass Filtering Example
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相關代理商/技術參數 |
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|---|---|
| MAX2108CEG+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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| MAX211_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:5-V MULTICHANNEL RS-232 LINE DRIVER/RECEVER |
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