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NIPXI-5690 Datasheet(PDF) 1 Page - National Instruments Corporation |
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NIPXI-5690 Datasheet(HTML) 1 Page - National Instruments Corporation |
1 / 8 page 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 ◾ ◾ gain channels Key Attenuator Features 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 Operating System Windows 7/XP/2000/NT ◾ ◾ Recommended Software LabVIEW ◾ ◾ LabWindows ◾ ◾ ™ /CVI C/C++/.NET ◾ ◾ Driver Software (included) NI-5690 ◾ ◾ Overview 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. RF Signal Conditioning Applications 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. 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. PXI RF Amplifiers PXI-5690 (2.5 GHz) PXI-5691 (2.5 GHz) PXI-5691 (6.6 GHz) CH0 Gain 31 dB 28 dB 27 dB CH0 Noise Figure 5.5 dB 5 dB 4 dB CH0 P1dB +18 dBm +21 dBm +21 dBm CH0 IP3 (TOI) +23 dBm +33 dBm +33 dBm CH0 Max Output Power +20 dBm +25 dBm +25 dBm CH1 Max Gain 16 dB 28 dB 21 dB CH1 Noise Figure 8 dB 5 dB 5 dB CH1 P1dB +16 dBm +21 dBm +21 dBm CH1 IP3 (TOI) +15 dBm +33 dBm +33 dBm CH1 Max Output Power +20 dBm +25 dBm +25 dBm 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. |
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