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參數(shù)資料
| 型號： | AD9956 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 2.7 GHz DDS-Based AgileRF |
| 中文描述： | 2.7千兆赫基于DDS的AgileRF |
| 文件頁數(shù)： | 19/32頁 |
| 文件大?。?/td> | 805K |
| 代理商： | AD9956 |
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AD9956
CML DRIVER
For clocking applications, an on-chip current mode logic
(CML) driver is included. This CML driver generates very low
jitter clock edges. The outputs of the CML driver are current
outputs and drives PECL levels when terminated into a 100
load. The base output current of the driver is programmed by
attaching a resistor from the DRV_RSET pin to ground (nomi-
nally 4.02 k for a continuous current of 7.2 mA). An optional
on-chip current programming resistor is enabled by setting a bit
in the control register. The rising edge and falling edge slew
rates are independently programmable to help control over-
shoot and ringing through the application of surge current
during rising edge transitions and falling edge transitions (see
Figure 27). There is a default surge current of 7.6 mA on the
rising edge and 4.05 mA on the falling edge. Bits in the control
register enable additional rising edge and falling edge surge
current, as well disable the default surge current (see the
Control Function Register Descriptions section for details). The
CML driver can be driven by the
Rev. 0 | Page 19 of 32
RF divider input
RF divider output
PLLOSC input
I(t)
t
~250ps
~250ps
RISING EDGE SURGE
CONTINUOUS
FALLING EDGE SURGE
CONTINUOUS
0
Figure 27. Rising Edge and Falling Edge Surge Current Output of the
CML Clock Driver, as Opposed to the Steady State Continuous Current
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD9956YCPZ-REEL1 | 2.7 GHz DDS-Based AgileRF |
| AD9956YCPZ1 | 2.7 GHz DDS-Based AgileRF |
| AD9957 | 1 GSPS Quadrature Digital Upconverter with 18-Bit IQ Data Path and 14-Bit DAC |
| AD9957BSVZ | 1 GSPS Quadrature Digital Upconverter with 18-Bit IQ Data Path and 14-Bit DAC |
| AD9957BSVZ-REEL | 1 GSPS Quadrature Digital Upconverter with 18-Bit IQ Data Path and 14-Bit DAC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9956/PCB | 制造商:Analog Devices 功能描述:Evaluation Board For AD9956, 2.7 GHz DDS-Based AgileRF Synthesizer 制造商:Analog Devices 功能描述:EVAL BD FOR AD9956, 2.7 GHZ DDS-BASED AGILERF SYNTHESIZER - Trays 制造商:Rochester Electronics LLC 功能描述:400 MSPS 14 BIT DDS EVAL BD. - Bulk |
| AD9956/PCBZ | 功能描述:BOARD EVAL FOR AD9956 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:AgileRF™ 標準包裝:1 系列:PSoC® 主要目的:電源管理，熱管理 嵌入式:- 已用 IC / 零件:- 主要屬性:- 次要屬性:- 已供物品:板，CD，電源 |
| AD9956-VCO/PCB | 制造商:Analog Devices 功能描述:EVAL BD FOR AD9956, 2.7 GHZ DDS-BASED AGILERF SYNTHESIZER - Trays 制造商:Analog Devices 功能描述:EVAL CARD ((NS)) |
| AD9956-VCO/PCBZ | 功能描述:BOARD EVAL 14BIT 1.8V 48LFCSP RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:AgileRF™ 標準包裝:1 系列:PSoC® 主要目的:電源管理，熱管理 嵌入式:- 已用 IC / 零件:- 主要屬性:- 次要屬性:- 已供物品:板，CD，電源 |
| AD9956XCPZ | 制造商:Analog Devices 功能描述:DGTL SYNTHESIZER 48LFCSP EP - Tape and Reel |
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