Products/Services for Shortwave Crystal Set Radios
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Radios - (369 companies)Radios are communication systems that send and/or receive electromagnetic waves. Devices such as citizens’ band (CB) radios, walkie-talkies, and handie-talkies are two-way radios that can be used for interpersonal communications. Two-way... -
Crystals - (467 companies)Crystals are naturally occurring materials that can be induced to resonate (vibrate) at an exact frequency. Quartz, a piezoelectric crystal that provides excellent mechanical and electrical stability, acquires a charge when compressed, twisted... -
Antennas - (1281 companies)Antennas are structures or devices used to collect or radiate electromagnetic waves. Antennas are mechanical components which either transmit or receive radio frequency signals. For transmission, an oscillating RF electrical current is fed... -
Radio Modems - (158 companies)Radio modems are radio frequency transceivers for serial data. They connect to serial ports (RS232, RS422, etc.) and transmit to and receive signals from another matching radio modem. How to Select Radio Modems. Image Credit: RF Industries Inc... -
Die Sets - (109 companies)Die sets are assemblies that link the upper and lower die holders. They include guide pins or posts, guide pin bushings, heel blocks, heel plates, and die shoes. Features. Die sets are metal plates, usually made of aluminum or steel, that provide... -
Crystal Filters - (52 companies)Crystal filters are electronic filters that use monolithic crystals. They are used in all kinds of electronic and radio communication devices. A monolithic crystal filter uses one large crystal rather than an array of several discrete crystals...
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Optical Crystals - (189 companies)Optical crystals are transparent in different spectral regions, depending upon the crystal material. They include nonlinear, photorefractive crystals, and laser crystals ' acousto-optic and electro-optic combinations; X-ray analysis...
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Terrestrial Radio and Satellite Radio Services - (31 companies)Terrestrial radio and satellite radio service providers transmit radio programming over satellite, cable networks and over open airwaves. Terrestrial radio and satellite radio service providers transmit radio programming via the open airwaves, cable...
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Radio Receiver ICs - (59 companies)...amplitude modulation (AM), a technique that causes the baseband signal to vary the amplitude or height of the carrier wave to create the desired information content. Radio receiver ICs for specific applications such as television, shortwave radio...
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Radio Transmitter ICs - (32 companies)...frequency (UHF) applications. Other are designed for TV broadcasting, short-wave, or long-wave communications. VHF transmitters are designed for radio frequencies between 30 and 300 MHz. For television applications, there are two distinct bands. The TV...
Product News
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Anritsu Company
Radio Communications Analyzer MT8821C The MT8821C Radio Communication Analyzer is a powerful tool designed for research and development (R &D) of mobile devices such as smartphones, tablets, and Internet of Things (IoT) modules. It builds upon the successful MT8820C model, favored by UE and chipset vendors worldwide, by offering comprehensive testing capabilities for modern wireless technologies. The MT8821C supports a wide range of communication protocols, including LTE/LTE-Advanced, Cat-M1/NB-IoT, W-CDMA/HSPA, GSM/EGPRS, TD-SCDMA... (read more) -
Anritsu Company
Wireless Connectivity Test Set (WLAN) MT8862A The MT8862A Wireless Connectivity Test Set (WLAN Tester) is a powerful tool designed to measure the Radio Frequency (RF) performance of Wi-Fi devices across various standards, including IEEE 802.11a/b/g/n/ac/ax/be (supporting 2.4 GHz, 5 GHz, and even the new 6 GHz bands). One of the key features of the MT8862A is its Network Mode capability. This mode allows the tester to simulate real-world Wi-Fi network connections with the Device Under Test (DUT), eliminating the need for special test modes... (read more) -
Linemaster Switch Corporation
Linemaster's radio-frequency foot switch RF foot control. Linemaster's radio-frequency foot switch is available in single, twin and triple variations to suit most applications. With up to 50 feet of range, the waterproof foot switch is a perfect fit for many applications. RF Twin Aero Wireless. Drip Tight, Dust Tight, Watertight, Oil Tight, Rust Proof, Corrosion Resistant. FEATURES & BENEFITS. 2.4 GHz. Channel Hopping. 802.15.4 Compliant. Meets IEC 60601 3rd Edition. Automatic RF power level adjustment of Transmitter. Waterproof... (read more)Browse Foot Switches Datasheets for Linemaster Switch Corporation -
Anritsu Company
Radio Communication Test Station MT8000A The MT8000A test platform is a one-stop solution for comprehensive 5G device testing. It supports both Frequency Range 1 (FR1) up to 7.125 GHz, including the popular n41 band, and millimeter-wave bands used in Frequency Range 2 (FR2). This allows for testing devices across the entire spectrum of 5G deployments. One of the key strengths of the MT8000A is its 5G base station emulation function. This function eliminates the need for a separate base station and enables the MT8000A to simulate... (read more) -
Lowell Corporation
Valve Key Socket Set or deformed. valve nuts in the toughest situations, even when corrosion. is significant. Set includes valve key sockets in 3 sizes (small, medium,. large), 3? screw and attachment plate in a durable. carrying case. Durable, yellow zinc-plated, hardened steel components. Low maintenance. Lower cost than. alternative tools. Compact size. For more information, please visit our website. (read more)Browse Hand Tools Datasheets for Lowell Corporation -
Anritsu Company
Bluetooth Test Set MT8852B Bluetooth (R) technology has revolutionized wireless connectivity, eliminating wires and simplifying connections between everyday devices. The MT8852B Bluetooth Test Set is the go-to tool for development and production testing of Bluetooth-enabled products. The MT8852B offers comprehensive testing capabilities for various Bluetooth aspects. It supports Basic Rate (BR), Enhanced Data Rate (EDR), and Bluetooth Low Energy (BLE) measurements, covering key parameters like transmit power, frequency... (read more) -
DigiKey
Crystal Clear Frequencies For applications requiring low-profile solutions or high-voltage ratings, engineers are choosing this versatile series in order to meet stringent EMC standards without sacrificing efficiency or board space: EMI suppression in power line input/output filtering. Motor drives and industrial automation systems. Power converters and renewable energy inverters. High-voltage equipment requiring reliable filtering. Switching power supplies and frequency converters. Automotive electronics for noise... (read more)Browse Crystals Datasheets for DigiKey -
Ignion
Design smarter, efficient multi-radio devices As wireless devices shrink and pack more radios onto a single PCB, designers face higher transmission power, frequent retransmissions, and ultimately, shorter battery life. Discover how to design smarter, power-efficient multi-radio devices that last longer in the field. Download Now. What you will learn. Why compact PCB layouts worsen coupling and battery drain. How poor efficiency and mismatching accelerate energy loss. Proven strategies to break the coupling -battery drain chain. (read more)Browse Chip Antennas Datasheets for Ignion -
Skyworks Solutions, Inc.
Cost-efficient 5G radio front-end solutions Smartphones. Consumers demand fast, seamless mobile connectivity without compromise - anywhere, anytime. Our award-winning Sky5 (R) portfolio of products provide highly-integrated, cost-efficient 5G radio front-end solutions supporting more than 30 different 4G and 5G spectrum bands used by operators around the world. Our low-power, high-performance radio front-end products enable optimized device solutions that meet the unique requirements of spectrum bands in different regions of the world. (read more) -
Green Cubes Technology
What Sets the SAFEFlex Battery Apart? the frequency of replacements. The reduction in downtimes and maintenance costs significantly improves your bottom line, making it an investment that truly pays off. 5. Advanced Power Distribution Board. By eliminating traditional inline components and I/O harnesses, the SAFEFlex MHE battery simplifies your power distribution setup. This not only enhances dependability but also minimizes potential points of failure. What Sets the SAFEFlex Battery Apart?. The Green Cubes SAFEFlex battery isn 't just... (read more)Browse Batteries Datasheets for Green Cubes Technology
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A Kitchen Course in Electricity and Magnetism
A germanium diode is better than a silicon one for such tiny voltages and certainly better than the galena used in the crystal sets of the 1920s. This radio (Fig. 3.47) was able to receive shortwave AM stations at wavelengths of around 200 yards, which corresponds to a frequency of approximately 1200 kHz or 1.2 MHz.
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https://helda.helsinki.fi/bitstream/handle/10138/33166/Alku_GRADU_v3.0_110403.pdf?sequence=3
A decade later the hobbyist strains to hear, over a handbuilt " crystal -and-catswhisker" set , the call letters of a distant station. More years pass, and the same family is standing close to the shortwave radio in the kitch- en, trying to understand a crackling voice talking of war.
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A titan of radio engineering
The factory’s chief researcher A.L. Mints assigned him to the piezoelec tric laboratory to develop piezoelectric crystals as part of shortwave transmitters. He also set Raspletin the more challenging task of designing a piezoelectric fre quency standard. In 1932, the first technical paper by Raspletin appeared in the journal Tekhnika radio i slabogo toka …
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If you build it, santa will come
Kits for building musical pencils, theremins, crystal radios , and shortwave radios Xtal Set Society; $16.95; http://www. midnightscience.com/kits.html .
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Raymond A. Heising, Treasurer, Institute of Radio Engineers
These equipments saw much service in 1918 and sub- sequently, for such sets were used even in … After the war, he had a responsible part in the Bell System devel- opment of radio for many purposes including the commercial trans- oceanic radiotelephone circuits, both … … in ship- shore telephone system, in short-wave transmission and, ultra- short- wave research. From this work have come most of the low-temperature-coefficient quartz- crystal cuts known to the …
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Dam it!
the energy picked up by the antenna. to explore such a simple project, I purchased the Little Wonder Crystal radio Kit from the Xtal Set Society for $16.95. It spans from 1.8 to 22 megahertz and thus picks up both shortwave and ham bands.
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Amateur radio
a signal,took some realdoing for hams reared on spark rigs and crystal or cohererreceivers. This set off a mad rush by all radio interests into the’ shortwave spectrum.
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Gerthsen physics
Sound radio elements knochensuchende to 135 buckling 135 191 tone color 192, 204 tone figure 186 classical electron radius … … 463 pleating load 1001 node planes 165 node surfaces 184 node line 204 node rule 319 node set 724 Knudsen-effect 1082 … … reflection 407 cross grids 859 cross winding-measuring device 408 creeping case 151 crystal 94, 884 crystal … … 292 refrigerator 228, 272 Kundtsches tube 190 artificial β+-Zerfall 1037 copper losses 416 crank 82 crankshaft 83, 148 curve rise 63 short magnetic lens 511 short circuit case 406 short circuit rotors 422 myopia 502 short wave shrinkage 369 short time …
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Radio Progress during 1946
243) E. C. Cornelius, "Silicon crystals for uhf detection circuits," Electronics, vol. Frequency-Modulation Receiver Developments Early in the year the Radio Manufacturers Associa- tion proposed two new standards of specific interest to designers of … … an in- termediate frequency of 10.7 megacycles, and (2) an antenna-to- set transmission-line impedance of … … standard broadcast and 88- to 108-megacycle frequency modulation, (3) standard broadcast, one or two band-spread short-wave ranges, and 88- to 108-megacycle frequency modulation, or (4) standard broadcast, one or two band-spread short- wave ranges, 40- to 50 …
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Gerthsen physics
Sound radio elements knochensuchende the tone color tone figure classical electron radius , classical turning point … … distortion factor klystron node planes node surfaces node rule node set Knudsen-flow … … cross winding-measuring device creeping case main axis crystallographic to crystal crystal construction … … copper losses of crank of crankshaft , raumzentriert-kubisch flächenzentriert-kubisch , , kubischerAusdehnungskoeffizient , the short magnetic lens short circuit case short circuit rotor of myopia short wave shrinkage short time …
