Hydrogen Frequency Standards
Microwave Amplification by Stimulated Emission of Radiation
See Also: Frequency Standards, Rubidium Standards, Hydrogen Masers
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Product
NI-9326, 6-Channel, 150 V, 128 kHz C Series Frequency Input Module
786999-02
Frequency Input Module
6-Channel, 150 V, 128 kHz C Series Frequency Input Module - The NI-9326 is a channel-to-channel isolated frequency input module for CompactDAQ and CompactRIO systems. This module includes six differential input channels with a 0 Vrms to 150 Vrms input range. The NI-9326 also features configurable thresholds for connection to a variety of variable reluctance sensors, single channel encoders, and hall-effect sensors. You can use the included embedded counters to perform frequency measurements or edge-counting for tracking total counts on a periodic signal. Additionally, the NI-9326 supports configurable Butterworth filters to help you perform low-noise frequency measurements.
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Product
DC - 12 GHz High Efficiency GaAs HBT MMIC Divide by 8 Prescaler
HMMC-3028
Frequency Divider
The HMMC-3028 is a DC - 12 GHz divide by eight prescaler designed for use in high frequency communications, microwave instrumentation, and EW radar systems where low phase-noise PLL control circuitry or broadband frequency translation is required.
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Product
Standard 6.20 (175.20) - 8.00 (226.80) High Frequency Probe
CSP-40A-015
High Frequency Probe
Bandwidth @ -1dB (GHz): 6.00Return Loss @ -20dB (GHz): 2.30Nominal Impedance (Ohms): 50Dielectric VTE Rating (k VAC): 1Test Center (mil): 250Test Center (mm): 6.35Full Travel (mil): 200Full Travel (mm): 5.08Recommended Travel (mil): 133Recommended Travel Remark: Shield: 211 (5.36) including travel of probesOverall Length (mil): 1,231Overall Length (mm): 31.28Full Travel Remark: Shield: 275 (6.99) including travel of probes
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Product
Standard 4.47 (127.00) - 12.00 (340.00) High Frequency Probe
K-50B-S
High Frequency Probe
Current Rating (Amps): 6Bandwidth @ -1dB (GHz): 4.00Return Loss @ -20dB (GHz): 2.50Nominal Impedance (Ohms): 50Test Center (mil): 600Test Center (mm): 15.24Full Travel (mil): 100Full Travel (mm): 2.54Recommended Travel (mil): 90Recommended Travel (mm): 2.29Overall Length (mil): 1,205Overall Length (mm): 30.61
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Product
Active Differential Probe, 100 kHz to 7 GHz
U1818A
High Frequency Probe
The Keysight U1818A 100 kHz to 7 GHz active differential probe makes it easy to perform high frequency in-circuit measurements using network, spectrum and signal source analyzers. With flat frequency response, low noise floor, and direct power from instrument connection, the U1818A allows measurements to be made while taking full advantage of Keysight's RF analyzers dynamic range.
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Product
Standard 3.27 (93.00) - 8.13 (231.00) High Frequency Probe
K-50L-QG
High Frequency Probe
Bandwidth @ -1dB (GHz): 4.00Return Loss @ -20dB (GHz): 0.80Nominal Impedance (Ohms): 50Test Center (mil): 550Test Center (mm): 13.97Full Travel (mil): 250Full Travel (mm): 6.35Recommended Travel (mil): 225Recommended Travel (mm): 5.72Overall Length (mil): 1,830Overall Length (mm): 46.48
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Product
110 GHz Frequency Extender
N5293AX53
Frequency Extender
The N5293AX53 modules are compact lightweight modules designed to interface to the N5292A test set controller that is driven with a PNA/PNA-X B model vector network analyzer.
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Product
120 GHz Frequency Extender
N5295AX53
Frequency Extender
The N5295AX53 modules are compact lightweight modules designed to interface to the N5292A test set controller that is driven with a PNA/PNA-X B model vector network analyzer.
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Product
120 GHz Frequency Extender, Pulsed DC Bias
N5295AX52
Frequency Extender
The N5295AX52 is a compact and broadband frequency extender with built-in pulsed bias-tee and provides 10 MHz to 120 GHz single-sweep measurements with N5292A test set controller systemized with a PNA/PNA-X B vector network analyzer.
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Product
Standard 1.90 (53.90) - 8.00 (226.80) High Frequency Probe
CSP-40L-013
High Frequency Probe
Nominal Impedance (Ohms): 50Dielectric VTE Rating (k VAC): 1Bandwidth @ -1dB (GHz): 6.00Return Loss @ -20dB (GHz): 2.30Test Center (mil): 250Test Center (mm): 6.35Full Travel (mil): 200Full Travel (mm): 5.08Full Travel Remark: Shield: 275 (6.99) including travel of probesRecommended Travel (mil): 133Recommended Travel (mm): 3.38Recommended Travel Remark: Shield: 211 (5.36) including travel of probesOverall Length (mil): 1,151Overall Length (mm): 29.24
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Product
DC - 12 GHz High Efficiency GaAs HBT MMIC Divide by 4 Prescaler
HMMC-3024
Frequency Divider
The HMMC-3024 is a DC - 12 GHz divide by four pre scaler designed for use in high frequency communications, microwave instrumentation, and EW radar systems where low phase-noise PLL control circuitry or broadband frequency translation is required.
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Product
40-72 GHz Doubler
1GC1-8048
Frequency Extender
The 1GC1-8048 is a balanced diode frequency doubler consisting of two Schottky diodes and a coplanar balun structure. The doubler provides 15 dB conversion loss and 17.5 dBc 1st and 3rd order feed-thru for input frequencies between 20 and 33.5 GHz. This IC is fabricated in HFTC's InGaP/GaAs heterojunction bipolar transistor (HBT) process that provides excellent uniformity, reliability and 1/f noise performance.
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Product
110 GHz Frequency Extender, Pulsed DC Bias
N5293AX52
Frequency Extender
The Keysight N5293AX52 is a broadband frequency extension module designed for use with Keysight’s new PNA / PNA-X-based millimeter-wave solutions. It is a compact, lightweight, and ruggedize frequency extender module with built-in bias tee for pulsed DC bias operation. It interfaces with the Keysight N5292A test set controller. The modules allow users to extend the frequency coverage of a base PNA / PNA-X Series network analyzers to a range of 10 MHz to 110 GHz. For more information about cable and accessories for use with network analyzers, please visit Network Analyzer Accessories.
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Product
120 GHz Frequency Extender
N5295AX51
Frequency Extender
The N5295AX51 modules are compact lightweight modules designed to interface to the N5292A test set controller that is driven with a PNA/PNA-X B model vector network analyzer.
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Product
RF High Frequency Probes
High Frequency Probe
*Low impedance*High bandwidth up to 20 GHz*Repeatable measurements*Coaxial design*Interchangeable center conductor
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Product
Standard 3.06 (86.70) - 4.00 (113.40) RF Probe For SMA Connectors
CSP-30ES-013
High Frequency Probe
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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Product
Frequency Standard Products
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The ES-110 generates a stable source of 10 MHz using GPS (Global Positioning System) satellites as a reference. If frequency distribution is needed, we offer the ES-210, a Quad 1x6 1/5/10 MHz Distribution Amplifier. The ES-210 provides four independent 1x6 Frequency DAs in a single rack-mount enclosure. The ES-410 is a four output version of the ES-110. The ES-410 was introduced and won Radio Magazine's Best of Show Award at the 2016 NAB Show.
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Product
VXI Rubidium/GPS Frequency Standard
3352A Series
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The Racal Instruments™ 3352A Rubidium frequency standard module and the 3352A-GPS, its GPS-disciplined companion, set a new standard for high density functionality in a single width VXI module. Using ANSI Standard M-Module building blocks, the 3352A series integrates the functions of a Rubidium oscillator and clock distribution together with an optional trigger distribution module and an optional digital I/O (DIO) module.
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Product
Ultra Low Noise, Rubidium Frequency Standard.
A10-M
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Frequency Referencing, Calibration, Standards Lab, Production Test for Oscillator Manufacturers. A very high stability LOW NOISE 10MHz Rubidium Reference, primarily for production test of quartz oscillators and RF instrumentation frequency referencing. This industry standard 2U rack-mount instrument has a long heritage and ongoing production life for this latest 2009 version that features RS232 monitoring and control of the DPLL, locking the Ultra Low Noise OCXO to the Rubidium. Damping and Bandwidth is controlled by integrator digital gain, proportional digital gain, pre-filter order and subsample rate. Eight values of user selected bandwidth are available.
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Product
Rubidium Frequency Standards
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Incorporating time-tested and field-proven technology, these rubidiums deliver high-precision time and frequency accuracy for measurement equipment. Products are available in VXI and PXI versions.
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Product
Cold-Atom Frequency Standard
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Rack-mount microwave atomic clock using laser-cooled 87Rb atoms. Production unit target specifications: Allan deviation 2×10-12 @ 1 s, 2×10-14 @ 104 s; flicker floor 1×10-14; absolute accuracy < 1×10-13.
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Product
Hydrogen Fluoride Gas Monitor
GASERA ONE HF
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Hydrogen fluoride, chemical formula HF, is a colorless, highly irritating already at very low ppm levels, corrosive gas and can exist as a fuming liquid. Reaction with water is rapid, producing heat and hydrofluoric acid. Hydrogen fluoride (HF) is used in manufacturing of refrigerants, herbicides, pharmaceuticals, high-octane gasoline, aluminum, plastics, electrical components, and fluorescent light bulbs, among others. Hydrogen fluoride (HF) is very soluble in water and is readily absorbed in the upper respiratory tract.
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Product
Passive Hydrogen Maser
VCH-1008
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The VCH-1008 Passive Hydrogen Maser is a compact hydrogen maser with excellent frequency stability and utilises state-of-the-art technology. Full digital processing of the modulation and servo loop signals makes it ideal for high accuracy applications. An internal GPS/GLONASS option is available and provides automatic output signal frequency calibration.Key applications:- National Time Keeping Service- Space tracking and navigation- Verification of frequency signals - Scientific research
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Product
Frequency Meter, 3.7 to 12.5 GHz
537A
Frequency Counter
The Keysight 537A direct-reading frequency meter measures frequencies from 3.7 to 12.5 GHz quickly and accurately. Its long scale length and numerous calibration marks provide high resolution. This is particularly useful when measuring frequency differences or small frequency changes. Frequency is read directly in GHz so interpolation or charts are not required.
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Product
Hydrogen Storage Analyzer
IMI-HTP
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The IMI-HTP is designed to characterize hydrogen storage materials using Sieverts method up to pressures of 200 bar. High accuracy is ensured by a minimized dead volume, all-metal construction, high thermal stability and accurate pressure measurement. Every IMI-HTP is specified to meet the challenging demands of high pressure H2 operation, with permanent overpressure protection to satisfy the most rigorous safety requirements.
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Product
Hydrogen Fuel Cell
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Honeywell Aerospace Technologies
Honeywell has a decades-long history of innovation in power generation for all kinds of aerospace and defense applications, which was further strengthened by the 2020 acquisition of Ballard Unmanned Systems, a global leader in fuel cell technologies for unmanned aerial vehicles (UAVs).
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Product
Counters & Frequency
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NLS panel mount digital counters, frequency meters, and interval timers are available in four case sizes and feature a wide range of functions. These versatile, rugged, and low cost meters find many applications. Features in various meters include highly accurate crystal time base circuitry, counts of up to one million per second, frequencies to 60 MHz, battery back-up and a presettable decimal point. Multiplexed BCD outputs are also available for some meters.
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Product
Frequency Synthesizers
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A frequency synthesizer allows the designer to generate a variety of output frequencies as multiples of a single reference frequency. The main application is in generating local oscillator (LO) signals for the up- and down-conversion of RF signals.
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Product
2210A & 2211A Quartz Frequency Standards
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Precise Time and Frequency, Inc.
The ptf 2210A Quartz Frequency Standard has been designed to provide a highly stable and spectrally pure frequency reference for applications requiring the ultimate in short term frequency performance.The instrument contains a double oven controlled stress compensated (SC cut) quartz crystal oscillator (OCXO) to give the ultimate in performance.Ideal for laboratory or system use, the unit provides good stability performance at lower cost and with improved phase noise.
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Product
Frequency Meter
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Shenzhen Graigar Technology Co.,Ltd.
A frequency meter is an instrument that displays the frequency of a periodic electrical signal. Various types of frequency meters are used. Many are instruments of the deflection type, ordinarily used for measuring low frequencies but capable of being used for frequencies as high as 900 Hz.
