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| 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)： | 50/71頁 |
| 文件大小： | 2013K |
| 代理商： | ISL5416 |
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50
2:0
AGC GAIN OUTPUT ROUNDING. The AGC gain is rounded to the selected number of bits. The AGC gain word into the rounder is:
E E E E M M M M M M M M M M M M M M.
The AGC gain is 2^E * (1.0 + M / 16384)
EEEE = 0 - 15, MMM...M = 0 - 16383
0 1. M M M M M M M M M M M M M M * 2^(E E E E)
Z = Zero
All other codes are reserved.
TABLE 52. CHANNEL PROCESSING CONTROL (IWA = *001h)
RESET STATE = 0x00000000h
(Continued)
P(31:0)
FUNCTION
TABLE 54.
F
E
D
C
B
A
9
8
7
6
5
4
3
2
1
0
resolution
000
=
E
E
E
E
M
M
M
M
M
M
M
M
M
M
M
M
~
96/65536dB
001
=
E
E
E
E
M
M
M
M
M
M
M
M
Z
Z
Z
Z
~
96/4096dB
010
=
E
E
E
E
M
M
M
M
Z
Z
Z
Z
Z
Z
Z
Z
~
96/256dB
TABLE 55. NCO CENTER FREQUENCY (IWA = *002h)
RESET STATE = 0x00000000h
P(31:0)
FUNCTION
31:0
CARRIER CENTER FREQUENCY (CCF). The range is -Fs/2 to +Fs/2, where Fs is the input sample rate to the part. The carrier
frequency is: Fc = Fs * CCF / (2^32).
The CCF control is double buffered. The active carrier center frequency register is read at this address.
TABLE 56. NCO PHASE OFFSET (IWA = *003h)
RESET STATE = 0x00000000h
P(31:0)
FUNCTION
31:16
UNUSED.
15:0
PHASE OFFSET. This is the value of the phase offset added to the carrier NCO phase. This can be interpreted as either an unsigned
number with a range from 0 to 2
π (π / 32768)
in 65536 steps, or as a signed number with a range of -
π
to
π (π / 32768)
in 65536
steps.
TABLE 57. NCO CENTER FREQUENCY UPDATE (IWA = *004h)
RESET STATE = INACTIVE
N/A
FUNCTION
N/A
STROBE. A write to this location generates a one-clock-wide strobe that transfers the carrier center frequency written to the holding
register (IWA = *002h) to the active register. The transfer can also be caused by a SYNCI signal (see IWA = *000h). The contents
of the active register are read at location IWA = *002h.
TABLE 58. NCO/MIXER/CIC CONTROL (IWA = *005h)
RESET STATE = 0x00000000h
P(31:0)
FUNCTION
31:29
MAXIMUM EXPONENT SHIFT SATURATION LEVEL. The maximum allowed shift factor from the input A/D range control block and
the exponent from the input bus. If the sum exceeds this value, it will be saturated at this value. This is forced to 111 if the uP test
register is selected as the input source.
28
FORCE ZERO FEEDBACK. Set to 1 to force NCO phase accumulator feedback to 0. (Provided for test)
27
CLEAR FEEDBACK ON UPDATE.
1 = clear NCO phase accumulator on frequency load/update (for synchronizing the NCO phase of multiple channels).
0 = phase continuous frequency updates.
26
RESERVED. Set to 0.
25:20
CIC BASE SHIFT FACTOR. The shift factor (exponents) from the input and the range control block are added to this value.
19
RESERVED. Set to 0.
ISL5416
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| ISL5416EVAL | Four-Channel Wideband Programmable DownConverter |
| ISL5416KI | Four-Channel Wideband Programmable DownConverter |
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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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