參數(shù)資料
型號(hào)： AD9957BSVZ-REEL
廠商： ANALOG DEVICES INC
元件分類： 通信及網(wǎng)絡(luò)
英文描述： 1 GSPS Quadrature Digital Upconverter with 18-Bit IQ Data Path and 14-Bit DAC
中文描述： SPECIALTY TELECOM CIRCUIT, PQFP100
封裝： ROHS COMPLIANT, MS-026AED-HD, TQFP-100
文件頁(yè)數(shù)： 19/60頁(yè)
文件大?。?/td> 840K
代理商： AD9957BSVZ-REEL
AD9957
SINGLE TONE MODE
A block diagram of the AD9957 operating in the single tone
mode is shown in Figure 29; grayed items are inactive. In this
mode, both I and Q data paths are disabled from the 18-bit
parallel data port up to, and including, the modulator. The
internal DDS core produces a single frequency signal based on
the programmed tuning word. The user may select either the
Rev. 0 | Page 19 of 60
cosine or sine output of the DDS. The sinusoid at the DDS
output can be scaled using a 14-bit amplitude scale factor (ASF)
and optionally routed through the inverse sinc filter.
Single tone mode offers the output shift keying (OSK) function.
It provides the ability to ramp the amplitude scale factor
between zero and an arbitrary preset value over a
programmable time interval.
0
PDCLK
I/Q IN
E
DAC_RSET
IOUT
IOUT
TxENABLE
FTW
PW
DAC GAIN
θ
cos (
ω
t+
θ
)
I
S
F
CLOCK
F
P
8
SYSCLK
PLL
÷2
C
REF_CLK
REF_CLK
REFCLK_OUT
XTAL_SEL
PARALLEL DATA
TIMING AND CONTROL
AD9957
ω
sin (
ω
t+
θ
)
S
S
P
P
M
2
2
C
O
DDS
AUX
DAC
8-BIT
POWER
DOWN
CONTROL
R
RAM
P
C
I
S
S
SERIAL I/O
PORT
I
PROGRAMMING
REGISTERS
3
2
I Q
IS QS
10
D
I
Q
IS
QS
B
18
18
16
16
H
F
I
C
C
(
H
F
I
C
C
(
OSK
INTERNAL CLOCK TIMING AND CONTROL
DAC
14-BIT
OUTPUT
SCALE
FACTOR
Figure 29. Single Tone Mode
相關(guān)PDF資料
PDF描述
AD9957_07 1 GSPS Quadrature Digital Upconverter with 18-Bit IQ Data Path and 14-Bit DAC
AD9958BCPZ-REEL7 2-Channel 500 MSPS DDS with 10-Bit DACs
AD9958 2-Channel 500 MSPS DDS with 10-Bit DACs
AD9958BCPZ 2-Channel 500 MSPS DDS with 10-Bit DACs
AD9970 14-Bit CCD Signal Processor with Precision Timing Generator
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD9957BSVZREEL13 制造商:AD 制造商全稱:Analog Devices 功能描述:1 GSPS Quadrature Digital Upconverter w/18-Bit IQ Data Path and 14-Bit DAC
AD9958 制造商:AD 制造商全稱:Analog Devices 功能描述:2-Channel 500 MSPS DDS with 10-Bit DACs
AD9958 PCB 制造商:Analog Devices 功能描述:EVAL BOARD ((NS))
AD9958/PCB 制造商:Analog Devices 功能描述:Evaluation Board For 2-Channel 500 MSPS DDS With 10-Bit DACs 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述:IC 10-BIT DAC DDS
AD9958/PCBZ 功能描述:BOARD EVALUATION FOR AD9958 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:AgileRF™ 標(biāo)準(zhǔn)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
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