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PXI/PXIe Microwave Relay, Triple SPDT, 12.4GHz, 50Ω, N-Type, Remote Mount
40-780B-513-E
The 40-780B-513-E (PXI) and 42-780B-513-E (PXIe) are triple SPDT 12.4GHz unterminated microwave relay modules with remotely mounted relays. The 40/42-780B range is available with one, two, three or four SPDT panel mounted relays capable of switching frequencies up to 67GHz in 50Ω or 2.5GHz in 75Ω. Connections are made via high quality RF coaxial connectors, SMA or N-Type for 50Ω and 1.6/5.6 in 75Ω versions. Remote versions can support up to three SPDT relays in a single slot.
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PXI/PXIe Microwave Relay, Dual SPDT, 40GHz, 50Ω, SMA-2.9, Remote Mount
40-780B-542-E
The 40-780B-542-E (PXI) and 42-780B-542-E (PXIe) are dual SPDT 40GHz unterminated microwave relay modules with remotely mounted relays. The 40/42-780B range is available with one, two, three or four SPDT panel mounted relays capable of switching frequencies up to 67GHz in 50Ω or 2.5GHz in 75Ω. Connections are made via high quality RF coaxial connectors, SMA or N-Type for 50Ω and 1.6/5.6 in 75Ω versions. Remote versions can support up to three SPDT relays in a single slot.
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PXI/PXIe Microwave Relay, Triple SPDT, 26.5GHz, 50Ω, SMA, Remote Mount
40-780B-533-E
The 40-780B-533-E (PXI) and 42-780B-533-E (PXIe) are triple SPDT 26.5GHz unterminated microwave relay modules with remotely mounted relays. The 40/42-780B range is available with one, two, three or four SPDT panel mounted relays capable of switching frequencies up to 67GHz in 50Ω or 2.5GHz in 75Ω. Connections are made via high quality RF coaxial connectors, SMA or N-Type for 50Ω and 1.6/5.6 in 75Ω versions. Remote versions can support up to three SPDT relays in a single slot.
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PXI/PXIe Microwave Relay, Single SPDT, 50GHz, 50Ω, SMA-2.4, Remote Mount
40-780B-551-E
The 40-780B-551-E (PXI) and 42-780B-551-E (PXIe) are single SPDT 50GHz unterminated microwave relay modules with remotely mounted relays. The 40/42-780B range is available with one, two, three or four SPDT panel mounted relays capable of switching frequencies up to 67GHz in 50Ω or 2.5GHz in 75Ω. Connections are made via high quality RF coaxial connectors, SMA or N-Type for 50Ω and 1.6/5.6 in 75Ω versions. Remote versions can support up to three SPDT relays in a single slot.
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PXI/PXIe Microwave Relay, Single SPDT, 2.5GHz, 75Ω, 1.6/5.6, Remote Mount
40-780B-751-E
The 40-780B-751-E (PXI) and 42-780B-751-E (PXIe) are single SPDT 2.5GHz 75Ω unterminated microwave relay modules with remotely mounted relays. The 40/42-780B range is available with one, two, three or four SPDT panel mounted relays capable of switching frequencies up to 67GHz in 50Ω or 2.5GHz in 75Ω. Connections are made via high quality RF coaxial connectors, SMA or N-Type for 50Ω and 1.6/5.6 in 75Ω versions.
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PXI/PXIe Microwave Relay, Single SPDT, 67GHz, 50Ω, SMA-1.85, Remote Mount
40-780B-571-E
The 40-780B-571-E (PXI) and 42-780B-571-E (PXIe) are single SPDT 67GHz unterminated microwave relay modules with remotely mounted relays. The 40/42-780B range is available with one, two, three or four SPDT panel mounted relays capable of switching frequencies up to 67GHz in 50Ω or 2.5GHz in 75Ω. Connections are made via high quality RF coaxial connectors, SMA or N-Type for 50Ω and 1.6/5.6 in 75Ω versions.
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PXI/PXIe Microwave Relay, Dual SPDT, 50GHz, 50Ω, SMA-2.4, Remote Mount
40-780B-552-E
The 40-780B-552-E (PXI) and 42-780B-552-E (PXIe) are dual SPDT 50GHz unterminated microwave relay modules with remotely mounted relays. The 40/42-780B range is available with one, two, three or four SPDT panel mounted relays capable of switching frequencies up to 67GHz in 50Ω or 2.5GHz in 75Ω. Connections are made via high quality RF coaxial connectors, SMA or N-Type for 50Ω and 1.6/5.6 in 75Ω versions.
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PXI/PXIe Microwave Relay, Triple SPDT, 18GHz, 50Ω, SMA, Remote Mount
40-780B-523-E
The 40-780B-523-E (PXI) and 42-780B-523-E (PXIe) are triple SPDT 18GHz unterminated microwave relay modules with remotely mounted relays. The 40/42-780B range is available with one, two, three or four SPDT panel mounted relays capable of switching frequencies up to 67GHz in 50Ω or 2.5GHz in 75Ω. Connections are made via high quality RF coaxial connectors, SMA or N-Type for 50Ω and 1.6/5.6 in 75Ω versions. Remote versions can support up to three SPDT relays in a single slot.
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Anechoic Chamber
Beijing KeHuan Century EMC Technology Co,.LTD
(7m × 4m × 3m) RF shielding EMC laboratory (anechoic chamber) is constructed by attaching ferrite tiles and microwave absorbing materials after the RF shielding room is built (7m × 4m × 3m) The simple 3m test distance EMC laboratory can perform EMC tests in the frequency range of 30MHz-18GHz.
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Contactors
Multitest Elektronische Systeme GmbH
Multitest is able to offer you the contacting solution that best suits your application including:*Kelvin test*RF test*tri-temp test*MEMS test
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Drone Detection RF Monitoring System
Shenzhen Tangreat Technology Co., LTD.
Drone Detection RF Monitoring System by Tangreat
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Standard 3.06 (86.70) - 4.00 (113.40) RF Probe For SMA Connectors
CSP-30ES-013
Nominal Impedance (Ohms): 50Current Capacity (Amps) @ 20° C: 1.00Bandwidth @ -1dB (GHz): 35.00Return Loss @ -20dB (GHz): 22.00Test Center (mil): 328Test Center (mm): 8.33Recommended Travel (mil): 100Recommended Travel (mm): 2.54Full Travel (mil): 200Full Travel (mm): 5.08Overall Length (mil): 1,033Overall Length (mm): 26.24Rec. Mounting Hole Size (mil): 297Rec. Mounting Hole Size (mm): 7.54
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RF Conducted Immunity Test System
RFCI61000-4-6
RFCI61000-4-6 RF Conducted Immunity Test System is an automatic test system which is for the conduction sensitivity testing, it is fully meets IEC61000-4-6.2006, ISO11452-4, GB/T17626.6-2008 and GTB152B-CS114 etc standards. RFCI61000-4-6 internal source and broadband power amplifier can be generated 3 voltage test levels: 1v, 3v and 10v, and has the function of the real detect output level. It has two operation software which is calibration software and test software. When measuring, the signal is in 1 KHZ sine wave amplitude modulation system (80%) to simulate the actual harassment, and can through the coupling/decoupling network (CDN or electromagnetic clamp) to make the harassment signal coupled to the device.
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Spectrum/Signal Analyzers
UNIT spectrum analyzer has the characteristics of high performance, faster and more reliable. More scan points can find more hidden abnormal signals. The large, touchable screen enhances the user experience. The detachable dustproof and compact structural design make the machine more beautiful and easier to maintain. More ports, supporting common protocols, provide convenience for automation and remote control. It can meet most radio frequency related applications and needs.
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8-slots 25Gb backplane aligned to SOSA
1SVX308ABP-1X31
3U 8-slots 25Gb backplane aligned to SOSA, with apertures for VITA 66/67 RF & optical modules.
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Frequency Down Converters
In digital signal processing, a digital down-converter (DDC) converts a digitized, band-limited signal to a lower frequency signal at a lower sampling rate in order to simplify the subsequent radio stages.
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Frequency Up Converters
Are integrated assemblies that convert low frequency RF signals to higher frequency RF signals.
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Array Antennas
An antenna array (or array antenna) is a set of multiple connected antennas which work together as a single antenna, to transmit or receive radio waves. The individual antennas (called elements) are usually connected to a single receiver or transmitter by feedlines that feed the power to the elements in a specific phase relationship. The radio waves radiated by each individual antenna combine and superpose, adding together (interfering constructively) to enhance the power radiated in desired directions, and cancelling (interfering destructively) to reduce the power radiated in other directions. Similarly, when used for receiving, the separate radio frequency currents from the individual antennas combine in the receiver with the correct phase relationship to enhance signals received from the desired directions and cancel signals from undesired directions. More sophisticated array antennas may have multiple transmitter or receiver modules, each connected to a separate antenna element or group of elements.
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18 To 40 GHz Dual-Ridged Horn Antenna For 5G Applications
SAR-1834031432-KF-S1-DR
For 5G applications, SAGE Millimeter, Inc. has released a new dual-ridged horn antenna. Model SAR-1834031432-KF-S1-DR is a dual-ridged horn antenna that operates from 18 to 40 GHz. The antenna offers a nominal gain between 12 and 17 dBi and a typical 3 dB beamwidth between 20˚ and 43˚. The antenna supports linear polarized waveforms and features a four-hole mounting plate. The RF port offers a female K connector. The antenna measures 2.84” long, with a width of 2.00” and height of 2.00”.
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DC Blocks
DC blocks are coaxial components that prevent the flow of audio and direct current (DC) frequencies while offering minimum interference to RF signals.
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Balanced Upconverters
Are used to create a mm-wave signal by combining a lower RF frequency with a higher mm wave frequency.
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Dielectric Resonator Oscillators
Dielectric resonator oscillators (DRO) are free running oscillators that utilize state-of-the-art planar circuits, three-terminal devices and dielectric resonator technology to generate high-quality microwave signals with excellent frequency stability. In addition, these oscillators are equipped with an internal voltage regulator that further improves the frequency stability by isolating the external bias pushing and modulation. In general, these oscillators are fixed. However, a small mechanical or electrical tuning range can be achieved by use of a self-locking screw or an integrated Varactor diode. The standard offering covers the frequency range of 2 to 40 GHz. While standard models are equipped with female SMA and K connectors at the RF port, other RF interface options are also available.
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RF Proximity Detector
Type RPD-2 AND Type RPD-2A
The Type RPD-2 Radio Frequency (RF) Proximity Detector is designed to detect and locate devices that radiate radio waves in the high frequency to low microwave frequency range. Such devices often include surveillance and “spy” equipment. The Type RPD-2, when used with the different sensors, will detect the emanation of the radio wave within a confined area, and then isolate its location to within approximately a square foot. The type RPD-2A may be used as an RF field strength indicator for antenna field strength measurements. The RPD-2A is identical in function except that the meter scale is calibrated in relative dB units.
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Mini Receiver
FB7-NX
In about 1935, the National Radio Company of Malden, Mass., brought out a “hot” high frequency receiver, called the FB7, and the subsequent FB-7X. It featured a super-hetrodyne design with plug-in coils that gave it a broad frequency range. The “X” model also incorporated a crystal filter in the intermediate frequency section, thus giving it additional selectivity. The receiver was viewed by radio amateurs as a technological breakthrough, and it was also used commercially for point to point high frequency communications. As the receiver did not have an internal RF amplifier section, a separately tunable RF amplifier was later provided in a separate enclosure for additional performance capabilities. Now, National RF, Inc., is resurrecting the fabled receiver name with an all solid-state, hot mini receiver, which also utilizes plug-in coils to cover the HF spectrum. The mini-receiver is designed for use by radio amateurs as well as serious short-wave listeners, and allows reception of AM, CW, and SSB signals. It incorporates a super-hetrodyne design with a dual gate FET built-in RF preamplifier and a ceramic filter for selectivity, often required when used in a crowded amateur radio band. In addition, the receiver has a buffered rear panel output of the high frequency oscillator for use with either a frequency counter for exact receive frequency display, or for interface with an outboard transmitter. A rear panel jack is also provided for muting the receiver when a transmitter is placed into the transmit mode. And, the receiver is small enough to fit into carry-on luggage and taken on trips when it is desired to “keep an ear” on amateur radio or other high frequency activity. The receiver utilizes rear panel plug-in coil assemblies which contain the RF amplifier, mixer, and oscillator tuned circuits. Each plug-in coil assembly also comes with a separate dial scale, which is inserted onto the front panel for displaying the tuned frequency. A very smooth 6 to 1 planetary drive is used for tuning the receiver. Other front panel controls include RF preamplifier peak, volume control, Beat Frequency Oscillator adjustment, and RF gain control. Other switches include filter bandwidth, AM/CW/SSB selection, Power, and a general coverage/band spread control for certain plug-in assemblies. The receiver is intended to drive head-phones via a rear panel jack, but has sufficient output to drive a small external speaker.
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Receiver Semi-Kit
75-NS-3
National RF’s 75-NS-3 receiver is a complete super-hetrodyne mini high frequency receiver, designed specifically for the short-wave listener, electronics enthusiast or radio amateur, who wants to use their hands and build a radio. The receiver is offered as a semi-kit in which the electronic assembly is loaded and functionally tested at the National RF facility. The customer must then go to the grocery store (yes…the grocery store!), procure a can of lunch meat, eat it or give it to the dog, and then proceed to drill and paint the can, in order for it to become the receiver’s enclosure! As the name of the preferred potted meat can has a registered trademark by Hormel Foods, Inc., it won’t be mentioned on this web-site. However, the name of the product is synonymous with unwanted email!!! In addition, there are other food products that might be found that are packaged in the same metallic enclosure. Detailed drilling instructions and final assembly instructions are provided as part of the kit. All other parts required for completion of the receiver are provided as well. Recognizing that the finished assembly looked somewhat like the fabled Collins receiver of the ‘60s, the 75S-3, (particularly when the can is painted a light gray) National RF engineers dubbed it (with tongue firmly planted in cheek, of course) the 75-NS-3! Although we have had fun packaging this receiver in a lunch meat can, it is nothing to turn your nose at! Its performance and portability will surprise you, and it is an ideal radio to bring with you on any trip!
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Vector Finders with InternalAttenuators
VF-145 LA AND VF-145 LMA
The VF-145 LA and LMA models are functionally the same as the VF-145 L and LM on both electrical performance and mechanical specifications. However, the LA and LMA models include an internal PIN diode attenuator that provides up to 12 dB of attenuation (measured at 150 MHz, attenuation decrease slightly as operating frequency increases) to the incoming radio signal. This attenuation occurs after the signal is received by the unit and phase shifted for processing, but before it is placed on the coax feedline to the receiver. In addition, the PIN diode utilized will absorb short burst of RF should transceivers be keyed accidentally by the user. This feature aids in very strong signal DF operations but will not totally guarantee against system overload under very strong RF emissions.
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VECTOR-GUN HANDHELD DIRECTION FINDING ANTENNA SYSTEM
HFDF
National RF's Type HFDF active directional antenna system consists of a high gain RF amplifier coupled to a tunable Faraday shielded loop antenna. Several loop antenna assemblies are available to provide coverage of frequencies in the HF and low VHF spectrum. Due to the nature of a Faraday shielded loop, the antenna exhibits a sharp null through the diametric center of the loop. This null is used to determine the direction of incoming radio signals or to locate electrical noise being radiated from some source. The internal high gain amplifier is used to compensate for the inherent inefficiency of the actual loop at the operating frequency. Overall, the system dynamic response is about +6 dB as compared to the dynamic response of a dipole. To aid in the direction finding process on strong signals, an internal 30 DB attenuator is provided. As the loop antenna presents a bi-directional response, tri-angulation may be required to eliminate the ambiguous signal direction. The line of site of the incoming signal is determined by listening for a signal null on the receiver or by watching the receiver’s S-meter.
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RF Milliwatt Meters
Type NDB-2 and NDB-3
National RF’s Type NDB-2 and NDB-3 RF Milliwatt Meters are affordable pieces of test equipment for both the RF laboratory and the home experimenter. Both provide a digital reading of RF power in dB reference 1 milliwatt of power into a 50 ohm load (i.e. 0 dBm). The circuitry consists of a low noise logarithmic amplifier that drives a digital A/D converting meter circuit. The lowest power levels that can be read are about –73 dBm (approximately 40 microvolts or .00000003 milliwatts). The maximum power input should not exceed 10 milliwatts (+10 dBm or .010 watts) when inputed without attenuation. An internal attenuator is provided and described in the next section.
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Reference Antennas
Type NRD
Reference antennas are precision dipole antennas that offer a fixed 2.15 dB of gain over an isotropic antenna along the major lobe axis at specified frequencies (2.15 dBi). They are intended to be used for antenna field pattern and gain measurements, or general RF sensing in the laboratory.
