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| 型號： | AD9911/PCBZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 15/44頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD9911 |
| 產(chǎn)品培訓模塊： | Direct Digital Synthesis Tutorial Series (1 of 7): Introduction Direct Digital Synthesizer Tutorial Series (7 of 7): DDS in Action Direct Digital Synthesis Tutorial Series (3 of 7): Angle to Amplitude Converter Direct Digital Synthesis Tutorial Series (6 of 7): SINC Envelope Correction Direct Digital Synthesis Tutorial Series (4 of 7): Digital-to-Analog Converter Direct Digital Synthesis Tutorial Series (2 of 7): The Accumulator |
| 設計資源： | AD9911 Eval Brd Schematics AD9911 Eval Brd BOM AD9911 Eval Brd Gerber Files |
| 標準包裝： | 1 |
| 系列： | AgileRF™ |
| 主要目的： | 計時，直接數(shù)字合成（DDS） |
| 已用 IC / 零件： | AD9911 |
| 已供物品： | 板 |
| 相關(guān)產(chǎn)品： | AD9911BCPZ-REEL7-ND - IC DDS 500MSPS DAC 10BIT 56LFCSP AD9911BCPZ-ND - IC DDS 500MSPS DAC 10BIT 56LFCSP |
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AD9911
Rev. 0 | Page 22 of 44
modulating phase or amplitude, the word value must be MSB-
aligned in the profile registers; excess bits are ignored. In
modulation mode, bits CFR <23:22> and FR1 <9:8> configure
settings. Note that the linear sweep enable bit must be set to
Logic 0 in modulation mode.
Table 6.
CFR <23:22>
CFR <14>
Description
0
x
Modulation disabled
0
1
0
Amplitude modulation
1
0
Frequency modulation
1
0
Phase modulation
Table 7.
FR1 <9:8>
Description
0
2-level modulation
0
1
4-level modulation
1
0
8-level modulation
1
16-level modulation
When both modulation and the RU/RD feature are desired,
unused profile pins or SDIO pins can be assigned. SDIO pins
can only be used for RU/RD.
Table 8.
RU/RD Bits
FR1 <11:10>
Description
0
RU/RD disabled.
0
1
Profile Pin 2 and Pin 3 configured for RU/RD
operation.
1
0
Profile Pin 3 configured for RU/RD operation.
1
SDIO Pin 1, Pin 2, and Pin 3 configured for
RU/RD operation. Forces the I/O to be used only
in 1-bit mode.
If profile pins are used for RU/RD, Logic 0 sets for ramp up and
Logic 1 sets for ramp down.
To support RU/RD flexibility, it is necessary to assign the profile
pins and/or SDIO Pin 1 to Pin 3 to CH1 operation. This is
controlled by the profile pin configuration (PPC) or PPC bits
(FR1 <14:12>). The modulation descriptions that follow include
data pin assignment. In the modulation descriptions, an “x”
indicates that it does not matter.
2-Level Modulation—No RU/RD
Modulation level bits are set to 00 (2-level). AFP bits are set to
the desired modulation. RU/RD bits and the linear sweep bit are
disabled. Table 9 displays how the profile pins are assigned.
Table 9. 2-Level Modulation
—No RU/RD
Bits FR1<14:12>
P0
P1
P2
P3
x
N/A
CH1
N/A
As shown in Table 9, only Profile Pin P1 can be used to
modulate CH1. If Pin P1 is Logic 0 and FSK modulation is
desired, then Profile Register 0 (Register 0x04) frequency is
chosen. If Pin P1 is Logic 1, then Profile Register 1
(Register 0x0A) frequency is chosen.
4-Level Modulation—No RU/RD
Modulation level bits are set to 01 (4-level). AFP bits are set to
the desired modulation. RU/RD bits and the linear sweep bit are
disabled. Table 10 displays how the profile pins are assigned.
Table 10. 4-Level Modulation—No RU/RD
Profile Pin Configuration (PPC) Bits
FR1 <14:12>
P0
P1
P2
P3
0
1
CH1
N/A
For this condition, the profile register chosen is based on the
2 bit value presented to profile pins <P0:P1>. For example, if
PPC = 011 and <P0:P1>= 11, then the contents of Profile
Register 3 (Register 0x0C) are presented to CH1 output.
8-Level Modulation—No RU/RD
Modulation level bits are set to 10 (8-level). AFP bits are set to
the desired modulation. RU/RD bits and the linear sweep bit are
disabled. Table 11 shows the assignment of profile pins and
channels.
Table 11. 8-Level Modulation—No RU/RD
Profile Pin Config. Bits
FR1 <14:12>
P0
P1
P2
P3
x
0
1
CH1
x
For this condition, the profile register (1 of 8) chosen is based
on the 3-bit value presented to the Profile Pin P0 to Pin P2. For
example, if PPC = x01 and <P0:P2> = 111, then the contents of
Profile Register 7 (Register 0x10) are presented to CH1 output.
16-Level Modulation—No RU/RD
Modulation level bits are set to 11 (16-level). AFP bits are set to
the desired modulation. RU/RD bits and the linear sweep bit are
disabled. Table 12 displays how the profile pins and channels are
assigned.
Table 12. 16-Level Modulation—No RU/RD
Profile Pin Config. (PPC) Bits
FR1 <14:12>
P0
P1
P2
P3
x
0
1
CH1
For these conditions, the profile register chosen is based on the
4-bit value presented to Profile Pin P0 to Pin P3. For example, if
PPC = x01 and <P0:P3>= 1110, then the contents of Profile
Register 14 (Register 0x17) are presented to CH1 output.
2-Level Modulation Using Profile Pins for RU/RD
When the RU/RD bits = 01, either Profile Pin P2 or Pin P3 are
available for RU/RD. Note that only a modulation level of two is
available when RU/RD bits = 01. See Table 13 for available pin
assignments.
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| AD9912 | 制造商:AD 制造商全稱:Analog Devices 功能描述:1 GSPS Direct Digital Synthesizer w/ 14-bit DAC |
| AD9912/PCBZ | 制造商:Analog Devices 功能描述:Evaluation Kit For 1 GSPS Direct Digital Synthesizer W/ 14-Bit DAC 制造商:Analog Devices 功能描述:EVAL KIT FOR 1 GSPS DIRECT DGTL SYNTHESIZER W/ 14BIT DAC - Bulk 制造商:Analog Devices 功能描述:EVALUATION BOARD AD9912 1GSPS DDS |
| AD9912A/PCBZ | 功能描述:BOARD EVALUATION FOR AD9912 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 |
| AD9912ABCPZ | 功能描述:IC DDS 1GSPS DAC 14BIT 64LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 直接數(shù)字合成 (DDS) 系列:- 產(chǎn)品變化通告:Product Discontinuance 27/Oct/2011 標準包裝:2,500 系列:- 分辨率（位）:10 b 主 fclk:25MHz 調(diào)節(jié)字寬（位）:32 b 電源電壓:2.97 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR) |
| AD9912ABCPZ-REEL7 | 功能描述:IC DDS 1GSPS DAC 14BIT 64LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 直接數(shù)字合成 (DDS) 系列:- 產(chǎn)品變化通告:Product Discontinuance 27/Oct/2011 標準包裝:2,500 系列:- 分辨率（位）:10 b 主 fclk:25MHz 調(diào)節(jié)字寬（位）:32 b 電源電壓:2.97 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應商設備封裝:16-TSSOP 包裝:帶卷 (TR) |
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