Products/Services for 144 MHz VHF Amplifier
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Power Amplifiers - (191 companies)Power amplifiers deliver a specific amount of AC power to a load. They are used in audio frequency and radio frequency applications. Types of Power Amplifiers. There are many different types of power amplifiers. Examples include: RF power amplifiers... -
Optical Bandpass Filters - (119 companies)Optical bandpass filters are designed to transmit a specific waveband. They are composed of many thin layers of dielectric materials, which have differing refractive indices to produce constructive and destructive interference in the transmitted light. -
RF Amplifiers - (609 companies)RF amplifiers are devices that accept a varying input signal and produce an output signal that varies in the same way, but with larger amplitude. RF amplifiers are electronic devices that accept a varying input signal and produce an output signal... -
RF Power Dividers and RF Power Combiners - (331 companies)RF power dividers and RF power combiners are circuits that accept input signals and deliver multiple outputs that are equal in phase and amplitude. There are two basic product categories: passive and active. -
Antennas - (1281 companies)Antennas are structures or devices used to collect or radiate electromagnetic waves. -
RF Filters and Microwave Filters - (489 companies)RF filters and microwave filters are devices that pass or reject signals by frequency. Basic types include bandpass filters, band reject filters, low pass filters, and high pass filters.
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Oscillators - (647 companies)Oscillators are devices that are used to generate repetitive signals. They produce output signals without an input signal. There are two major types of electronic oscillators: harmonic oscillators and relaxation oscillators. Harmonic oscillators produce sine wave outputs. Relaxation oscillators produce non-sine wave outputs such as square wave, rectangular wave, and sawtooth outputs.
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Signal Amplifiers - (312 companies)Signal amplifiers accept signals from sensors and other devices and amplify them to levels suitable for further processing or digitization by computer elements. Signal amplifiers are electronic devices that receive and amplify signals for processing...
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Operational Amplifiers - (249 companies)Description. Operational amplifiers (op amps, op-amps) are general-purpose, closed-loop devices that are used to implement linear functions. They compare two incoming signals and release a third signal that is an amplified measure of the difference...
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Instrumentation Amplifier Chips - (113 companies)Image Credit: Digi-Key. Instrumentation amplifier chips are precision amplifier circuits with both high-impedance differential inputs and high common-mode rejection. Also known as instrument amps, these devices are a type of operational amplifier...
Product News
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5o.com
50 to 75MHz VHF Band RF Coaxial Isolator High performance 50 to 75MHz VHF band RF coaxial isolator, featuring low VSWR, low insertion loss and high isolation. Widely applied in VHF communication systems, FM radio transmitters and RF power amplifier reflection isolation protection. Model number:5o00607505075SK. Frequency Range:50~75MHz. Insertion Loss:1.8dB. Isolation:18dB. VSWR:1.3. Forward Power: 100W. Reverse Power: 100W. Temperature:-30 ~ +70?. Dimension:60*75*27.5mm (read more) -
5o.com
VHF Band RF Dual Junction Coaxial Isolator Premium 162-168MHz VHF dual junction coaxial RF isolator featuring low insertion loss, high reverse isolation, 50 Ohm impedance, robust coaxial structure. Designed for VHF base stations, radio communication systems and power amplifier anti-interference protection. Model number:5o03120750162168NKP150 Frequency Range:162~168MHz Insertion loss: 0.8dB Isolation:55dB VSWR:1.2 Forward Power:150W Reverse Power: 100W Temperature:-30 ~ +70?. Dimension:120*75*28mm. Application. RF power amplifier... (read more) -
ASAP Semiconductor LLC
Amplifiers Amplifiers are among the most commonly used electronic devices in the world. They serve as one of the basic building blocks of many circuits and come in a wide range of forms. Simply put, amplifiers are electronic devices that increase the power of a signal. In other words, they increase the amplitude of a signal, making it stronger than the given output. Though the operation of an amplifier is theoretically quite simple, there are a lot of factors they have to deal... (read more) -
5o.com
VHF 10~55MHz 100W RF Coaxial Circulator This 5o.com RF isolator is purpose-designed for 10 to 12MHz low-frequency communication and broadcasting systems, with 50 O standard impedance. It is primarily used for RF power amplifier protection, and widely deployed in digital satellite & mobile communication, medical communication, security equipment, military, space, commercial systems, as well as low-frequency communication and broadcasting systems. It is also compatible with test & measurement setups, base station equipment... (read more) -
5o.com
VHF Band 150 to 170MHz Drop in Isolator application scenarios;. Special interface design: Adopts TAB connector, adapts to specific equipment connection needs, and is easy to install;. Thin and compact structure: The size is only 56*63.5*15mm, thin and small, saving installation space and adapting to various installation environments;. Wide temperature adaptability: Can work stably in the temperature range of -10~+70 C, with strong environmental adaptability. The core function of the product is RF power amplifier protection, which can... (read more) -
5o.com
VHF Band 130 to 180MHz Coaxial Isolator services to meet the needs of personalized RF system construction. The core function of the product is RF power amplifier protection, which can effectively provide safety protection for power amplifier equipment and extend service life. It has a wide range of applications. Besides the communication field, it can also be applied to medical equipment, security systems, military equipment, aerospace equipment and various commercial RF products, making it a stable-performance and multi-scenario... (read more) -
5o.com
VHF Band RF Dual Junction Coaxial Circulator Premium VHF band 136 to 174MHz 4 port RF dual junction coaxial circulator boasts great power capacity, low VSWR and superior signal isolation, perfect for transceiver systems and wireless signal transmission projects. Model number:5o131206004136174SK. Frequency Range:136~174MHz. Insertion Loss:1.0dB. Isolation:44dB. VSWR:1.2. Forward Power:100W. Reverse Power:100W. Operation Temperation:-40~+85?. Connector Type: SMA Female. Dimension:120*60*28mm (read more) -
Federal Signal Corporation - Industrial Signaling and Systems
PA Amplifiers The Federal Signal line of high-powered public address amplifiers provides the flexibility, quality, and performance you require and expect in a public address system. When combined with the AudioMaster (R) Audiorouter and the complete line of AudioMaster (R) Speakers, these high-powered amplifiers are a key component in a high performance industrial public address system. Power ratings of 150, 300, 500, and 1000 watts per channel are available. (read more)Browse Audio Amplifiers and Preamplifiers Datasheets for Federal Signal Corporation - Industrial Signaling and Systems -
5o.com
500W VHF Band 150-180MHz RF Coaxial Isolator 5o.com High Power 500W VHF 150 -180MHz RF Coaxial Isolator with low insertion loss & high isolation. Protect transmitters from reflection damage for radio communication, repeater & base station systems. Custom & OEM available. Model number:5o00801401150180NK. Frequency Range:150~180MHz. Insertion loss: 0.6dB. Isolation: 17dB. VSWR:1.35. Forward Power:500W. Reverse Power:250W. Temperature:0~+70?. Dimension:80*140*18mm. Custom design is available upon request. It supports a one-year standard... (read more) -
5o.com
54 to 74MHz VHF Band RF Coaxial Isolator for Radar 5o.com 54 to 74MHz VHF Band RF Coaxial Isolator is a high-performance passive component specially designed for radar systems. It precisely covers the 54-74MHz VHF band with sufficient bandwidth, featuring low insertion loss to ensure signal integrity and high isolation to effectively suppress reverse signal interference, protecting backend radar equipment from damage. Model Number:5o00607505474SK. Frequency Range:54~74MHz. Insertion Loss:1.2dB. Isolation:18dB. VSWR:1.3. Forward Power:100W... (read more)
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RF and Microwave Power Amplifier Design, Second Edition > High-Efficiency Power Amplifiers
Figure 7.49(a) shows the simplified circuit schematic of a high-power VHF LDMOSFET Class-E power amplifier achieving a drain efficiency of 70% for maximum … … of 54 W at an operating frequency of 144 MHz with an input drive …
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An LDMOS VHF class E power amplifier using a high Q novel variable inductor
Abstract- An LDMOS based VHF Class E power amplifier has been investigated theoretically and experimentally. Simulations were verified by amplifier measurements and a record high class E output power was obtained at 144 MHz in excellent agreement with simulations.
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http://esto.nasa.gov/conferences/estc2003/papers/B3P5(Edelstein).pdf
The theoretical efficiency for Class- E and Class-E/F amplifiers is 100%; practical efficiencies of 70-90% have been demonstrated at VHF and UHF frequencies. A 50 MHz high-efficiency (93%) high power (30W) Class-E power amplifier [9] and a 144 MHz Class-E amplifier with 54W output power and 70% efficiency [10] were recently reported.
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Power amplifier design challenges in UHF and VHF transmitters
UHF (225 MHz –400 MHz) and VHF (118 MHz– 144 MHz) transmitters in aeronautical domain are among the most strict telecommunication equipments.
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VHF Doherty amplifier with GaN FETs and independent drive-signal control
A VHF Doherty amplifier with independent drive-signal control is presented. An I-Q modulator/up-converter is used to produce the driving signals at a carrier frequency of 144 - MHz .
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VHF Doherty amplifier with GaN FETs and independent drive-signal control
A VHF Doherty amplifier with independent drive-signal control is presented. An I-Q modulator/up-converter is used to produce the driving signals at a carrier frequency of 144 - MHz .
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Interaction Between Power Frequency Electric Fields and RF Survey Meters: Test Protocol and Evaluation of Commercial Meters
… consisted of an ICOM IC275A RF transmitter driving a Mirage B1016 160 watt amplifier that was connected … , half of the maximum permissible exposure (MPE) limit in the very high frequency ( VHF ) band.1 The operating frequency of the transmitter was set to 144 MHz .
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Large-Signal Approach Yields Low-Noise VHF/UHF Oscillators | Components content from Microwaves & RF
Part 1 of this three-part article series will explore the use of large-signal design techniques for a grounded-base 144 - MHz oscillator. Large-Signal Approach Yields Low-Noise VHF /UHF Oscillators Approach Yields Low-Noise Amplifiers .
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Global Mobile Satellite Communications
Satellites, 335-366 Cospas-Sarsat Space Segment, 347-359 Cospas-Sarsat UHF 406 MHz system, 345 Cospas-Sarsat VHF 121,5 MHz system, 343 … Data Signals and Transmission, 110 Data Base Main Computer, 429 Database Queries, 319 DBS TV, 110 DCCP, 430 Decoder and Decoding, 138-140 Delta Modulation, 118 Demand Assignment, 144 -145 Depolarization/Polarization Components, 250 … … DOP), 425 Diplexer/Low Noise Amplifier , 209, 294 Direct Ascent …
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A CMOS inverter-based class-AB pseudo-differential amplifier with current-mode common-mode feedback (CMFB)
A 330 MHz 26.4 mW 11 bit low hold pedestal CMOS fully differential track and hold … In IEEE international symposium on VLSI design, auto- mation and test (VLSI-DAT) (pp. 144 –147). Design techniques for VHF /UHF high-Q tunable bandpass filters using simple CMOS inverter-based transresistance amplifiers .
