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781036-01 PDF预览

781036-01

更新时间: 2022-12-16 16:22:37
品牌 Logo 应用领域
美国国家仪器公司 - NI 射频
页数 文件大小 规格书
8页 1494K
描述
PXI RF Signal Conditioning

781036-01 数据手册

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PXI RF Signal Conditioning  
NI PXI-5690, NI PXI-5691, NI PXI-5695 NEW!  
Key Amplifier Features  
◾  
Up to +24 dBm maximum output power  
◾  
Up to 30 dB gain  
0.5 dB gain resolution  
Typical noise figure <5 dB  
Both fixed and programmable  
Recommended Software  
◾  
◾  
LabVIEW  
◾  
◾  
LabWindows /CVI  
◾  
◾  
C/C++/.NET  
gain channels  
Driver Software (included)  
Key Attenuator Features  
◾  
◾  
NI-5690  
Up to 60 dB total attenuation  
◾  
0.5 dB attenuation resolution  
◾  
1.2:1 typical voltage standing  
wave ratio (VSWR)  
Both fixed and programmable  
◾  
attenuator channels  
Overview  
PXI RF Amplifiers  
National Instruments PXI RF signal conditioning modules include low-noise/  
high-gain amplifiers and programmable attenuators. You can use these 3U PXI  
modules to optimize the dynamic range of PXI RF vector signal generators and  
analyzers. The NI PXI-5690 is a 100 kHz to 3 GHz, two-channel programmable  
amplifier and attenuator; the NI PXI-5691 is a 50 MHz to 8 GHz, two-channel  
programmable amplifier; and the NI PXI-5695 is a 50 MHz to 8 GHz, two-channel  
programmable attenuator.  
PXI-5690 (2.5 GHz)  
PXI-5691 (2.5 GHz)  
28 dB  
PXI-5691 (6.6 GHz)  
27 dB  
CH0 Gain  
31 dB  
5.5 dB  
CH0 Noise Figure  
CH0 P1dB  
5 dB  
4 dB  
+18 dBm  
+23 dBm  
+20 dBm  
16 dB  
+21 dBm  
+33 dBm  
+25 dBm  
28 dB  
+21 dBm  
+33 dBm  
+25 dBm  
21 dB  
CH0 IP3 (TOI)  
CH0 Max Output Power  
CH1 Max Gain  
CH1 Noise Figure  
CH1 P1dB  
8 dB  
5 dB  
5 dB  
RF Signal Conditioning Applications  
+16 dBm  
+15 dBm  
+20 dBm  
+21 dBm  
+33 dBm  
+25 dBm  
+21 dBm  
+33 dBm  
+25 dBm  
CH1 IP3 (TOI)  
You can use PXI programmable amplifiers with both RF signal generators and  
RF signal analyzers. When combined with RF vector signal generators, PXI RF  
amplifiers enable high-power signal generation. For example, the PXI-5691 offers  
up to 28 dB of gain and a 1 dB compression point of +21 dBm. Using this module,  
you can extend the upper power range of your vector signal generator.  
When used with RF vector signal analyzers, the same programmable  
amplifiers can improve the noise floor of the measurement system. For example,  
with a typical noise figure of 5 dB at 2.5 GHz, the PXI-5691 programmable  
amplifier can be combined with the NI PXI-5663 RF vector signal analyzer to  
measure signals down to -163 dBm/Hz.  
CH1 Max Output Power  
Note: All values are typical results at either 2.5 or 6.6 GHz.  
Table 1. PXI RF Programmable Amplifiers Comparison  
PXI-5690 RF Programmable  
Amplifier/Attenuator  
The PXI-5690 is a 100 kHz to 3 GHz, two-channel programmable amplifier and  
attenuator with one fixed gain path and one programmable gain/attenuation  
path. The combined paths offer up to 37 dB of total signal gain at 2.5 GHz when  
signal paths are cascaded.  
With PXI programmable attenuators, you can improve the power accuracy of  
your RF signal generator in lower power ranges. With an external attenuator,  
you generate RF signals in the most accurate range of the signal generator and  
attenuate the signal to the desired output power.  

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