Noise Figure
delta of UUT noise to ideal.
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Product
C-Band Separate Raman Fiber Amplifier
RFA5000
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Hangzhou Huatai Optic Tech. Co., Ltd.
1. Erbium-doped Fiber Amplifier, due to the multiple cascades and the accumulation of noise caused by spontaneous emission, will reduce the system CNR greatly and thus it will limit the transmission capacity and distance of the system. Raman Fiber Amplifier (RFA) is a newly designed fiber amplifier based on Stimulated Raman Scattering (SRS) effect. It is considered as the core technology of new generation DWDM fiber over-long communication. Compared with Erbium-Doped Fiber Amplifier, Raman amplifier has the advantage of low Noise Figure (NF), wider gain bandwidth, flexible gain spectral region and stable temperature. It is the only device that can operate in 1300~1600 nm.
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Product
Hybrid Raman/Er-doped Fiber Amplifier
HFA5000
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Hangzhou Huatai Optic Tech. Co., Ltd.
1. Erbium-doped Fiber Amplifier, due to multiple cascades and the accumulation of noise caused by spontaneous emission, will reduce the system CNR greatly and thus it will limit the transmission capacity and distance of the system. Raman Fiber Amplifier (RFA) is a newly designed fiber amplifier based on Stimulated Raman Scattering (SRS) effect. It is considered as the core technology of new generation DWDM fiber over-long communication. Compared with Erbium-Doped Fiber Amplifier, Raman amplifier has the advantage of low Noise Figure (NF), wider gain bandwidth, flexible gain spectral region and stable temperature. It is the only device that can operate in 1300~1600nm.
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Product
USB Preamplifier, 2 to 50 GHz
U7227F
Amplifier
The U7227F, 2 to 50 GHz USB preamplifier is designed to bring reliable gain and low noise figure to measurement systems improving the overall system performance and reduce systematic errors; a total solution to the X-Series signal analyzers to perform noise figure measurement
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Product
Driver Amplifiers
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Analog Devices RF amplifiers are designed utilizing the company’s leading amplifier and RF IC expertise. Our extensive family of single-ended input/output, fixed-gain amplifiers can be used from dc to microwave and include gain blocks, low noise amplifiers, intermediate frequency amplifiers, driver amplifiers, and differential amplifiers. These devices offer high linearity, low noise figures, and various fixed-gain options, as well as low power consumption; they are all fully specified over frequency, temperature, and supply voltage for use in a variety of applications.
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Product
Microwave System Amplifier, 2 GHz to 26.5 GHZ
83018A
Amplifier
The Keysight 83018A microwave system amplifier is a compact, off-the-shelf amplifier designed for systems designers and integrators. This amplifier provides power where you need it to recover system losses and to boost available power in RF and microwave ATE systems. The ultrabroad bandwidth from 2 to 26.5 GHz allows the designer to replace several narrow bandwidth amplifiers with a single Keysight amplifier, eliminating the need for crossover networks or multiple bias supplies. The standard Keysight 83018A includes internal directional detectors for external leveling applications. With excellent noise figure relative to its broad bandwidth and high gain, this amplifier significantly improves system noise figure and dynamic range. The Keysight 83018A comes equipped with a low profile heat sink, an integral mounting bracket, and a two-meter dc power supply cable. Thermal characteristics and power supply design allow fast, easy integration into most measurement systems.
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Product
Noise Sources
WGNS
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The system allows the user to extend the frequency range of the NFA to allow for accurate noise figure measurements to be performed on a device operating in the 26.5 – 170GHz range on wafer as well as in benchtop applications. Farran offers the WGNS series of noise sources to be used in conjunction with the FBC down converters for use as frequency extenders for noise figure measurement test system.
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Product
Noise Figure Measurements With Vector Correction
S96029B
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This software application enables high-accuracy noise figure and noise-power measurements of amplifiers. It utilizes Keysight’s unique vector-source-correction technique, which uses a source-impedance tuner to remove the effects of imperfect system-source match. This approach yields accuracy that surpasses that provided by the Y-factor method and other cold-source implementations, especially for in-fixture, on-wafer, and automated-test environments. A scalar-calibrated method is also available that offers less accuracy but is faster and does not require an impedance tuner.
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Product
Radar Front Ends
FMCW
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The transmit signal is derived from an external VCO signal, internally multiplied, which also acts as the LO for the receive mixer. The resulting IF is conditioned for gain and filtering as required. The IF also contains an industry leading IF noise figure, especially in the frequency range below 500MHz. Custom designs available, visit our custom design page for more information.
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Product
Low Noise Amplifier
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R&K’s Low Noise Amplifier (LNA) series products are a type of small signal amplifiers but with excellent noise figure. LNA is designed to significantly minimize additional noise to be introduced inside the product, and capable to amplify the input RF signal to the required level with minimal impact from noise on output RF signal.
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Product
Noise Figure Analyzer, Multi-touch, 10 MHz to 26.5 GHz
N8975B
Low-Frequency Noise Analyzer
The N8975B high performance noise figure analyzer is designed to make fast, accurate and repeatable noise figure measurements. When paired with an SNS Series noise source and U7227 Series USB preamplifier the ENR data from the SNS and USB preamplifier data automatically downloads into the N8975B.
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Product
Millimeter-Wave Noise Source, Q-band, 33 To 50 GHz
Q347B
Noise Source
The Q347B waveguide noise source (33 to 50 GHz frequency range), allows you to make accurate noise figure measurements on millimeter-wave devices...
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Product
Microphone Pre-Amp Audio Interfaces
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Analog Devices mic pre-amp audio interfaces provide a high fidelity, high performance solution for audio products. Specifications for this family include ultralow 1.5 dB noise figures, 140 dB gain range, and high gain capability. Operating in an extended industrial temperature range of –40°C to +85°C, this portfolio of mic pre-amp audio interfaces supports many applications, including precision instrumentation, active filters, low noise amplifier front ends, surveillance systems, computerized voice recognition, and a variety of other industrial and consumer products. As the first choice for serious audio engineers, Analog Devices mic pre-amp audio interfaces can give your applications the performance needed to meet the most demanding specifications.
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Product
Noise Source Family
347
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The R347B waveguide noise source cover the R-band (26.5 to 40 GHz frequency range), while the Q347B model cover the Q-band (33 to 50 GHz frequency range), allows you to make accurate noise figure measurements on millimeter-wave devices.
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Product
Preamplifier, 10 MHz to 4 GHz
87405B
Amplifier
Preamplifiers and System Noise Figure Application Note This note discusses noise figure basics including applications and characteristics of Keysight simplifier technology. Highlighted are Keysight's 87405C portable preamplifiers that provide an exceptional gain of 25 dB up to 18 GHz and a probe-power bias connection which eliminates the need for an additional DC power supply. Read the Preamplifiers and System Noise Figure Application Note now!
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Product
Shield Level / Pathloss Equipment
SG1000B/PR1000A
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The SG1000 Signal Generator and PR1000A Preamplifier have been designed to simplify the measurement of shielding integrity in a shielded enclosure. When coupled with a high stability spectrum analyzer and an appropriate selection of test antennas, the SG1000/PR1000A combination can measure shielding effectiveness at all of the NSA 94-106 (supersedes NSA 65-6) defined test frequencies from 1 kHz to 10 GHz.The PR1000A amplifies the received signal from the test antenna and overcomes the high noise figure of the companion test receiver or spectrum analyzer. The PR1000A will ensure that the system noise figure will be less than 4.5 dB at all test frequencies from 1 kHz to 10 GHz. When used with a spectrum analyzer measurement bandwidth of 100 Hz, the system exhibits a sensitivity of -150 dBm at the test antenna output.To overcome high cable loss between the test antenna and the PR1000A assembly at 10 GHz, a remote low noise pre-amplifier (Praxsym PN 310-010091-001) is mounted directly onto the 10 GHz antenna.
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Product
Noise Figure Measurements With Vector Correction
S97029B
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The instrument’s standard receivers are used for noise figure measurements with the S97029B. An external preamplifier and filter(s) is required for devices with < 30 dB of excess noise (gain plus noise figure in dB)
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Product
Noise Figure Analyzer, Multi-touch, 10 MHz to 3.6 GHz
N8973B
Low-Frequency Noise Analyzer
The N8973B high performance noise figure analyzer is designed to make fast, accurate and repeatable noise figure measurements. When paired with an SNS Series noise source and U7227 Series USB preamplifier the ENR data from the SNS and USB preamplifier data automatically downloads into the N8973B.
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Product
RF Mixers with Integrated LO
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Analog Devices RF mixers/multipliers include both active and passive, as well as broadband and narrowband, products. These devices promise high performance and flexibility to help designers achieve their target specifications, reduce design time, and optimize costs. With leading specifications including speed, dynamic range, noise figure under blocking, SFDR, and ESD performance, ADI RF mixers and multipliers help to raise the bar within RF systems.
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Product
Low Noise Amplifier
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Low noise amplifiers, or LNAs, are designed and manufactured by utilizing the most advanced PHEMT or MMIC devices, thin film technologies, and an improved DC power supply to deliver a low noise performance with broad operating bandwidths and good gain flatness. While standard models focus on general purpose applications, additional models with differing frequency ranges, gains and noise figures are listed on the website. Custom designs are also offered to meet any user’s specific needs.
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Product
PCI Express A/d Board
AD14-500x4-8GB-K7US
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The AD14-500x4-8GB-K7US is a high performance wideband 4-channel 14-bit data single PCIe Gen3 board, that can continuously digitize four wideband signals, with four high linearity A/Ds.Designed for demanding military, medical, scientific, industrial, communications, safety and electrical power utility applications, these boards have a wideband noise figure of 10dB and 1 dB peak-to-peak ripple over the DC to 250MHz frequency spectrum (2dB p-p over DC-500MHz).
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Product
V-Band Low Noise Amplifier 50 to 75 GHz, 35 dB Gain, 5 dB NF
SBL- 5037533550-1515-E1
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50 to 75 GHz, 35 dB Gain, 5 dB Noise Figure V Band Low Noise Amplifier for IEEE 802.11.ad WiGig. Model SBL-5037533550-1515-E1 is a low noise amplifier with a typical small signal gain of 35 dB and a nominal noise figure of 5 dB across the frequency range of 50 to 75 GHz. The DC power requirement for the amplifier is +8 VDC/150 mA. The mechanical configuration offers an in-line structure with WR-15 waveguides and UG-385/U flanges.
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Product
Preselectors and Switch Filter Banks
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Our preselectors and switch filter banks offer low noise figure, high dynamic range, state-of-the-art filter rejection with high channel-to-channel isolation front ends, realized in compact building blocks, designed in custom form factors. Applicable markets include: EW, missiles, radar, communications and space.
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Product
Millimeter-Wave Noise Source, R-band, 26.5 to 40 GHz
R347B
Noise Source
The Keysight R347B noise source covers a 26.5 to 40 GHz frequency range. This waveguide noise source allows you to make accurate and convenient noise figure measurements on millimeter-wave devices. The R347B provides highly precise broadband noise at the input of the system or component under test. The noise figure meter then processes the ON/OFF ratio of noise power present in the system IF, and provides an accurate reading of noise figure and gain. The R347B noise source has remarkable ENR stability over time, which allows longer recalibration cycles and more accurate noise figure measurements.
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Product
Noise Figure Measurements With Vector Correction
S93029B
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The S93029B noise figure application enables high-accuracy noise figure and noise-power measurements of amplifiers, frequency converters, and mixers, utilizing Keysight’s unique vector-source-correction technique
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Product
Real-Time Spectrum Analyzers (RTSA)
Spectrum Analyzer
Gain more confidence in your system or signal environment knowing you can capture intermittent or transient signals as short as 3.57 µsMaximize your investment when you add real-time capabilities to a UXA, PXA or MXA X-Series analyzer -no need for a dedicated instrumentGo deeper and thoroughly analyze complex signals with the 89600 VSA softwareAccelerate communication system development by quickly switching to must-have traditional measurements like phase noise, noise figure, and more
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Product
Block Down-Converter
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RF Lambda’s block down-converters are used to convert higher frequencies down to IF. They can include front end amplifiers for lower noise figure and signal conditioning such as image rejection as required by the system.
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Product
Embedded Local Oscillator Capability
S93084B
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The S93084B tunes the network analyzer’s receivers to the output frequency of the converter under test without having to access internal LOs or a common reference signals. For converters with embedded LOs, this enables measurements of match-corrected conversion loss/gain and absolute group delay (requires S93082B and S93083B), gain compression versus frequency (requires S93086B), intermodulation distortion (requires S93087B), and noise figure (requires S93029B).
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Product
VHF Band 1.0 Watt Amplifier With RF Bypass
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Teledyne RF & Microwave has developed a 35 to 350 MHz custom amplifier with 1 watt output power. The amplifier has 29 dB gain with 3 dB noise figure. The amplifier assembly has a RF switch so that the RF input can be connected directly to the output bypassing the amplifier. The amplifier goes into the "bypass" state when the DC bias is removed from the switch. This unit is one of a series of amplifiers that covers the 1 MHz to 2100 MHz with similar operation.
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Product
VXT PXIe Vector Transceiver
M9421A
Vector Signal Transceiver
Purpose-built for rapid solution creation and faster throughput in manufacturing test of wireless components, power amplifiers, and RF front-end modules Increase test density and reduce your footprint with up to four VXT instruments in one 18-slot chassis Reduce development time with open-source test libraries and reference solutions Start closer to your finish line with built-in FPGA-accelerated measurements Optimize test routines using proven software for noise figure and standard-specific measurements
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Product
Noise Source, 10 MHz to 18 GHz, nominal ENR 6 dB
346A
Noise Source
The Keysight 346A noise source is the ideal companion to Keysight's noise figure solutions. Since it is broadband (10 MHz to 18 GHz), it eliminates the necessity for several sources at different frequency bands. The low SWR of the noise source reduces a major source of measurement uncertainty; reflections of test signals. The very small change in reflection coefficient (<0.01) from ON to OFF is designed especially for accurate characterization of input-impedance-sensitive devices (like GaAsFETs and many UHF amplifiers).
