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參數(shù)資料
| 型號： | ISL5416EVAL1 |
| 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)： | 11/71頁 |
| 文件大小： | 1128K |
| 代理商： | ISL5416EVAL1 |
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11
NCO/Mixer
After the input select/format section, the samples are
multiplied by quadrature sine wave samples from the carrier
NCO. The NCO has a 32-bit frequency control, providing
sub-hertz resolution at the maximum clock rate. The
quadrature sinusoids have exceptional purity. The purity of
the NCO should not be the determining factor for the
receiver dynamic range performance (A typical spectrum
plot is shown in Figure 20). The phase quantization to the
sine/cosine generator is 24 bits and the amplitude
quantization is 19 bits.
The carrier NCO center frequency is loaded via the uP bus. The
center frequency control is double buffered -- the input is loaded
into a holding register via the uP interface. The data is then
transferred from the holding register to the active register by a
write to a special address or by a SYNCInX signal, if enabled in
IWA = *000h. To synchronize multiple channels, the carrier
NCO phase accumulator feedback can be zeroed on loading to
restart all of the NCOs at the same phase (see IWA = *005h).
The phase of the NCO can be offset by programming IWA =
*003h. The phase offset is not double buffered.
M
M
R
E
G
ENA
ENB
ENC
END
EN
μ
P
EXPA
EXPB
EXPC
EXPD
EXP
μ
P
AMANT
BMANT
CMANT
DMANT
μ
PMANT
(TEST INPUT)
R
E
G
R
E
G
R
E
G
R
E
G
R
E
G
R
R
R
R
R
FIR
FILTER
(COMB)
R
E
G
R
E
G
R
E
G
0...-15
0...-23
R
E
G
0...-29
0...-23
69b
62b
53b
44b
34b
B
I
I
I
I
I
REG
SIN/COS
GEN
REG
REG
REG
REG
REG
REG
SERIAL
FREQ
OFFSET
COF
COFSYNC
ENCOF
F
-
S
0
4
0...-23
0...-18
M
R
E
G
R
E
G
M
R
E
G
R
E
G
C
L
I
P
R
E
G
R
E
G
R
E
G
MAX EXP
BASE
SHIFT
VALUE
(from uP)
0...-23
R
E
G
R
E
G
R
E
G
DECIMATION
COUNTER
R
E
G
R
E
G
R
E
G
R
E
G
M
CIC ORDER
FIR COEFFICIENTS
1
1
-1
2
1
-2
1
3
1
-3
3
-1
4
1
-4
6
-4
1
5
1
-5
10
-10
5
-1
CENTER
FREQ
PHASE
OFFSET
FIGURE 3. NCO, MIXER AND CIC BLOCK DIAGRAM
NOTE:
BUS NUMBERING SUCH AS 0...-23 INDICATES BIT WEIGHTS
SUCH AS 2
... 2
ISL5416
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ISL5416KIZ | Four-Channel Wideband Programmable DownConverter |
| ISL54200_07 | USB 2.0 High/Full Speed Multiplexer |
| ISL54200IRUZ-T | USB 2.0 High/Full Speed Multiplexer |
| ISL54200 | USB 2.0 High/Full Speed Multiplexer |
| ISL54200IRZ | USB 2.0 High/Full Speed Multiplexer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| ISL54200 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:USB 2.0 High/Full Speed Multiplexer |
| ISL54200_07 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:USB 2.0 High/Full Speed Multiplexer |
| ISL54200EVAL1Z | 功能描述:EVALUATION BOARD FOR ISL54200 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 標準包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
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