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參數(shù)資料
| 型號： | ISL5416 |
| 廠商： | Intersil Corporation |
| 英文描述： | Four-Channel Wideband Programmable DownConverter |
| 中文描述： | 四通道可編程寬帶下變頻器 |
| 文件頁數(shù)： | 56/71頁 |
| 文件大小： | 2013K |
| 代理商： | ISL5416 |
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TABLE 83. FIR 2 COEFFICIENTS (64 x 20) (IWA = *200h THRU *23Fh)
RESET STATE = UNDEFINED
P(31:0)
FUNCTION
Each multiplier has up to 8 coefficients. If the six bit coefficient addresses are labeled M2 M1 M0 C2 C1 C0, where the M-bits
select the multiplier (000 is the first multiplier encountered by the data samples), and the C-bits select the coefficient (000 is the
first coefficient encountered by the data samples). M2 is not used for FIR1.
For example, if an eight tap filter is used for FIR1, the coefficients would be loaded:
(earliest)
C0 --- 000000 (*100h)
C1 --- 000001
C2 --- 001000
C3 --- 001001
C4 --- 010000
C5 --- 010001
C6 --- 011000
C7 --- 011010 (*11Ah)
When the Half Band Filter mode is enabled for FIR1, the zero valued zero crossing coefficients are not loaded, but the
coefficients must be centered around the hard wired center tap. This means that zeros valued coefficients must be added if the
number of coefficients per multiplier is not uniform. For example, with an 11-tap Half Band Filter with coefficients:
C0, 0, C1, 0, C2, 0.5, C3, 0, C4, 0, C5,
the coefficient loading would be:
0 ----- 000000 (*100h)
C0 --- 000001
C1 --- 001000
C2 --- 001001
C3 --- 010000
C4 --- 010001
C5 --- 011000
0 ----- 011001 (*119h)
The filter computation requires two clock cycles for the computation. Due to the added zero-valued coefficients, the group delay
has increased from 6 to 8 sample periods.
ISL5416
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISL5416EVAL | Four-Channel Wideband Programmable DownConverter |
| ISL5416KI | Four-Channel Wideband Programmable DownConverter |
| ISL54205A | MP3/USB 2.0 High Speed Switch with Negative Signal Handling |
| ISL54205AIRUZ-T | MP3/USB 2.0 High Speed Switch with Negative Signal Handling |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL5416_04 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Four-Channel Wideband Programmable DownConverter |
| ISL5416EVAL | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Four-Channel Wideband Programmable DownConverter |
| ISL5416EVAL1 | 功能描述:EVALUATION PLATFORM FOR ISL5416 RoHS:是 類別:RF/IF 和 RFID >> RF 評估和開發(fā)套件，板 系列:- 標準包裝:1 系列:- 類型:GPS 接收器 頻率:1575MHz 適用于相關(guān)產(chǎn)品:- 已供物品:模塊 其它名稱:SER3796 |
| ISL5416KI | 功能描述:上下轉(zhuǎn)換器 QUAD WIDEBAND DOWN CONVERTER, 256 CABGA RoHS:否 制造商:Texas Instruments 產(chǎn)品:Down Converters 射頻:52 MHz to 78 MHz 中頻:300 MHz LO頻率: 功率增益: P1dB: 工作電源電壓:1.8 V, 3.3 V 工作電源電流:120 mA 最大功率耗散:1 W 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PQFP-128 |
| ISL5416KIZ | 制造商:Intersil Corporation 功能描述:LEAD-FREE QUAD WIDEBAND DOWN CONVERTER, 256 CABGA - Trays 制造商:Intersil Corporation 功能描述:PB-FREE W/ANNEAL QUAD DIGITAL DOWNCONVER 制造商:Intersil 功能描述:QD WIDEB& DWN CNVRTR 256 CABGA |
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