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Radio Frequency
3 kHz to 300 GHz or a frequency < microwave.
See Also: Radio, Software Defined Radio, Ham Radio, Mobile Radio, RF, Microwave, VHF
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Pulse Modulator IM-20
*Wide Frequency Range: 10 MHz...20 GHz*High Pause Power Mitigation: ≥ 70 dB*Signal Radio Impulse < 10 ns*Parallel Data Input*Input/Output Modulator Ports
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400 MHz to 4.4 GHz, GPS-Disciplined OCXO, Reconfigurable USRP Software Defined Radio Device
783151-01
400 MHz to 4.4 GHz, GPS-Disciplined OCXO, Reconfigurable USRP Software Defined Radio Device - The USRP-2952 provides an integrated hardware and software solution for rapidly prototyping high-performance wireless communication systems. Built on the LabVIEW reconfigurable I/O (RIO) architecture, USRP RIO delivers an integrated hardware and software solution, so researchers can prototype faster and shorten time to results. You can prototype a range of advanced research applications that include multiple input, multiple output (MIMO); synchronization of heterogeneous networks; LTE relaying; RF compressive sampling; spectrum sensing; cognitive radio; beamforming; and direction finding. The USRP-2952 is equipped with a GPS-disciplined 10 MHz oven-controlled crystal oscillator (OCXO) reference clock. GPS disciplining delivers improved frequency accuracy and synchronization capabilities.
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LXI Single 24x8 50 Ohm HF Matrix BNC
60-760-005
The 60-760-005 is a single 24x8 High Frequency Matrix Module suitable for switching frequencies up to 50MHz. It has an impedance of 50Ω and uses BNC signal connectors. It is also available in a smaller enclosure with SMB Connectors. It is designed to provide simple and scalable switching for radio frequencies and is intended for the easy construction of high performance bidirectional matrix switching systems.
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Modulators
CAES designs and manufactures a broad range of versatile custom design solutions for modulation of a radio frequency source from a baseband signal.
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Antennas
The CAES Antennas portfolio encompasses virtually the entire radio frequency spectrum, from the HF Band, where wavelengths dwarf buildings, to the millimeter wave band, where thousandths of an inch make all the difference, and offers unparalleled product diversity with an extensive product line of advanced antennas and antenna arrays.
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SPS Positioners
CAES' SPS Positioners product line accurately acquires, tracks, and points a variety of electro-optical (EO) and radio frequency (RF) sensors in military airborne, ground, and naval applications.
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RF Testing
Silicon Turnkey Solution, Inc.
Once largely confined to military and aerospace, radio frequency (RF) today has become the underlying technology for a wide range of consumer, industrial, and medical products. Like their military-aerospace counterparts, commercial RF applications require exceptional quality but with different competitive economics.
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E Bend Waveguide
E-plane waveguide bends are sections of high-precision crafted waveguides and shaped to either 30º, 45º ,60º, or 90º angles for e-plane needs. It directs the radio frequency beam and “bends” the signal to go the direction you want. Think of it like Tokyo drifting around a corner in your car. Precision MMW will help you with the highest quality E bend waveguides. We are a millimeter wave spectrum manufacturer of various active and passive mmWave products and sub-system engineering.View more E Bend Waveguide
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Process RF Analyzer
IMPS-4400
The Sensortech Instant Moisture Profiling System (IMPS-4400) is a non-contact RF moisture profiling system for board manufacturers to improve and optimize production processes and meet quality standards, reduce energy costs, increase productivity, and generate revenue. The IMPS-4400 utilizes radio frequency antennas to analyze board moisture characteristics below the surface, which is critical information to ensure consistent quality of finished boards.
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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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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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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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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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FREQUENCY DISPLAY UNIT
TYPE NFD-1
The National RF Type NFD-1 Frequency Display Unit was designed for use with vintage and classic communications equipment, to display the received or transmitted radio frequency. The unit incorporates an internal processor that allows the intermediate frequency (IF) to be counted out by the frequency counter. The resultant display is the actual frequency that the equipment is receiving or operating at.