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参数资料
| 型号： | AD8339ACPZ |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 调制器/解调器 |
| 英文描述： | 0 MHz - 50 MHz RF/MICROWAVE I/Q DEMODULATOR |
| 封装： | 6 X 6 MM, ROHS COMPLIANT, MO-220-VJJD-2, LFCSP-40 |
| 文件页数： | 22/36页 |
| 文件大小： | 2970K |
| 代理商： | AD8339ACPZ |
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AD8339
Rev. A | Page 29 of
36
Using the SPI Port
Channel and phase selection are accessed via the SPI port on
the AD8339, and the evaluation board provides two means of
access. If it is desired to exercise the SPI input with custom
waveforms, the SDI, SCLK, and CSB pins are available at the
auxiliary connector P1. A digital pattern generator can be
programmed in conformance with the timing diagram shown
in Figure 57.
The most convenient way to select channels and phase delays
is through the USB port of a PC using the executable program
provided on the CD or at the Analog Devices, Inc., website.
Copy the .EXE and .MSI files into the same folder on the PC.
Double-click the .EXE file to install the program and place a
shortcut on the desktop. Double-clicking the desktop icon
opens the control menu, as shown in Figure 62.
The menu consists of an array of options that are self-explanatory.
Channels are enabled or disabled by selecting the channels in
the Channel Enable list, and the 16 phase options are selected
from the list box for each of the channels.
Hardwired Jumpers
Hardwired jumpers provide for interconnection of channels
and as a means for measuring output voltages at various
strategic nodes (see Table 7).
As shipped, the evaluation board is configured to connect all
the AD8339 RF inputs to a single LNA output. In this configur-
ation, the phases of the four channels can be shifted throughout
the full range and the outputs can be viewed on a multichannel
scope using one of the channels as a reference. To operate all the
LNA channels independently, it is only necessary to move the
input shorting jumpers to the channel RF outputs.
06
58
7-
06
0
Figure 62. SPI Software Control Menu
Table 7. Jumper and Header List
Jumper, Header
Description
CSB
Connects the chip select input to the connector or the USB inputs—normally connected to USB (test)
CSBG
Grounds the CSB input—shipped omitted
EN12, EN34
Enables or disables Channel 1 through Channel 4—boards shipped enabled
I1234
Sums all four I-channel current outputs together—shipped omitted
Q1234
Sums all four Q-channel current outputs together—shipped omitted
RF1 to RF4
Test points for the LNA outputs—a differential probe fits these
RSTS
Resets the SPI input—shipped omitted
RSET
Resets the local oscillator input—shipped omitted
SCLK
Connects the serial clock input to the connector or to the USB inputs—normally connected to USB (test)
SDI
Connects the serial data input to the connector or to the USB input—normally connected to USB (test)
SLKG
Grounds the serial clock input—shipped omitted
4LO
Test pins for the 4LO level shifter output—a differential probe fits these
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| AD8339ACPZ-R7 | 功能描述:IC DEMODULATOR I/Q QUAD 40LFCSP RoHS:是 类别:RF/IF 和 RFID >> RF 解调器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:解调器 LO 频率:- RF 频率:70MHz ~ 300MHz P1dB:-9dBm 增益:- 噪音数据:6.36dB 电流 - 电源:41.5mA 电源电压:2.7 V 封装/外壳:28-WFQFN 裸露焊盘 供应商设备封装:28-TQFN-EP（5x5） 包装:带卷 (TR) |
| AD8339ACPZ-RL | 功能描述:IC DEMODULATOR I/Q QUAD 40LFCSP RoHS:是 类别:RF/IF 和 RFID >> RF 解调器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 功能:解调器 LO 频率:- RF 频率:70MHz ~ 300MHz P1dB:-9dBm 增益:- 噪音数据:6.36dB 电流 - 电源:41.5mA 电源电压:2.7 V 封装/外壳:28-WFQFN 裸露焊盘 供应商设备封装:28-TQFN-EP（5x5） 包装:带卷 (TR) |
| AD8339-EVALZ | 功能描述:BOARD EVAL AD8339 I/Q DEMOD RoHS:是 类别:RF/IF 和 RFID >> RF 评估和开发套件，板 系列:- 标准包装:1 系列:- 类型:GPS 接收器 频率:1575MHz 适用于相关产品:- 已供物品:模块 其它名称:SER3796 |
| AD834 | 制造商:AD 制造商全称:Analog Devices 功能描述:500 MHz Four-Quadrant Multiplier |
| AD834_12 | 制造商:AD 制造商全称:Analog Devices 功能描述:500 MHz Four-Quadrant Multiplier |
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