In RF linear Power Amplifiers, such as cellular base stations and broadcast transmitters, special design techniques can be used to improve efficiency.

* Harden, Paul Introduction to Class C, D, E and F, The Handiman's Guide to MOSFET " Switched Mode " Amplifiers, Part 1-An article on basic digital RF amplifier design intended for ham radio operators but applicable to audio Class D amplifiers.

Amplifiers can be specified according to their input and output properties.

Amplifiers rated at 100 watts at 14. 4 volts can not be regarded equal as to an amplifier that can maintain 100 watts at 12 volts.

Amplifiers are non-linear, therefore every time a signal is amplified in a telecommunications network, which can happen dozens of times on a circuit, noise and distortion are added.

Amplifiers are not ideal ; they also have some output impedance that limits the amount of power they can provide.

Amplifiers are limited in the electrical energy they can amplify, while loudspeakers are limited in the electrical energy they can convert to sound energy without distorting the audio signal or damaging themselves.

Instrumentation Amplifiers can also be designed using " Indirect Current-feedback Architecture ", which extend the operating range of these amplifiers to the negative power supply rail, and in some cases the positive power supply rail.

Amplifiers with multiple rectifiers can offer up to two sag settings ( amounts ), while the Sag Circuit provides a Sag control knob, which allows range of sag control at all volumes ( by interacting with a wattage control knob ).

Amplifiers can therefore be safely specified to operate into a load that has this nominal impedance ( or higher, but not lower ).

Amplifiers can compensate for this, but not entirely because the capacitance has many time-constants.

Amplifiers may be classified in a variety of ways depending on their application, the frequency range they cover, or the active devices used.

Amplifiers of Class C-F are usually known to be very high efficiency amplifiers.

Amplifiers may oscillate gently in ways that are hard to detect without an oscilloscope, or the oscillations may be so extensive that only a very distorted or no required signal at all gets through, or that damage occurs.

Amplifiers used with electric guitars may be solid-state, which are lighter in weight and less expensive than tube amplifiers.

It was designed to be used in conjunction with Farfisa's Amplifiers, and had a multi-pin cable that connected the controls of the accordion, with the controls of the amplifier, or the F / AR Reverb preamp power supply unit.

A 3 x 6 " stack " of Marshall guitar cabinets on stage Amplifiers of this type, such as Marshall amplifiers, are used in a range of the louder, heavier genres of rock, including hard rock, heavy metal, and hardcore punk.

In 1969 Jimi Hendrix used four stacks to create a powerful lead sound, and in the early 1970s by the band Blue Öyster Cult used an entire wall of Marshall Amplifiers to create a roaring wall of sound.

Amplifiers of this type, such as Marshall amplifiers, are used in a range of genres, including hard rock, metal ( though they are often boosted with a pedal for more gain ), and punk.

These components are used in interoffice, loop feeder, Fiber In The Loop ( FITL ), Hybrid Fiber-Coaxial Cable ( HFC ), Synchronous Optical Network ( SONET ), and Synchronous Digital Hierarchy ( SDH ) systems ; and other telecommunications networks employing optical communications systems that utilize Optical Fiber Amplifiers ( OFAs ) and Dense Wavelength Division Multiplexer ( DWDM ) systems.

Gus has used Marshall Amplifiers in the past as well as Krank, however more recently, he uses Randall T2 and V2 Amplifiers.

The preeminent electric guitar player to use the pedal in this way was Jimi Hendrix who revolutionized the way it was applied using the combination of Fender Stratocaster with stacked Marshall Amplifiers ( in both static and modulated mode ) for lead / rhythm guitar applications unheard of prior to Hendrix.

Amplifiers for harder, heavier genres often use valve amplifiers ( known as " tube amplifiers " in North America ) also.

* Three is a Crowd for Instrumentation Amplifiers

Milbert Amplifiers is a company which, in collaboration with The David Berning Company, reintroduced, in 1986, vacuum tube audio amplifiers to the automobile, utilizing vacuum tubes for audio amplification and transistors in high voltage switching power supplies ( SMPS ).

Today, the XL and HyDrive cabinets are only part of Hartke ’ s line of bass gear, which also features LH and HA Series Bass Amplifiers, AK and VX Series Bass Cabinets, countless accessories for bass and much more.

* M. S. Gupta: Large-Signal Equivalent Circuit for IMPATT-Diode Characterization and Its Application to Amplifiers.

Powered by Crown Amplifiers, the audio system is driven by Community RS880 speakers in the Arena bowl, Altec Lansing satellite speakers for the upper seating areas, and Bose speakers serve the concourse, dressing rooms, and backstage hallways.

J. C. SIMON, " Semiconductor Laser Amplifiers for single mode fiber communication systems ", Journal of Opt.

Amplifiers consist of one or more circuit stages which have unique responsibilities in the modification of the input signal.

Hagar currently uses Crate Amplifiers which is concurrently marketing a Hagar signature 120 watt amplifier named Crate BV120RH Red Voodoo Amp Head.

Matchless Amplifiers is a Los Angeles based company which designs and makes electric guitar amplifiers, specializing in class A tube circuitry.

By using a noncollinear interaction geometry Optical Parametric Amplifiers are capable of extremely broad amplification bandwidths.

Amplifiers use current or voltage as input and output, so four types of amplifier are possible.

Amplifiers are valued in part by their power output capacity.

Amplifiers may use vacuum tubes ( in Britain they are called valves ), or solid-state ( transistor ) devices, or both.

Amplifiers, filters, and other devices are often categorized by their amplitude and / or phase response.

Matchless Amplifiers, like many other entrepreneurial stories, started out on a kitchen table.

* Amplifiers and attenuators in output fibers that adjust the signal to the digital “ 0 ” power range ( when the fiber is not switched to ) or to the normal power range when it is ( e. g., ).

# Anti-Communism: This was included as a filter in the original 1988 edition of the book, but Chomsky argues that since the end of the Cold War ( 1945 – 91 ), anticommunism was replaced by the " War on Terror ", as the major social control mechanism.

A lowpass filter is also included, with-24dB per octave attenuation, and controls for cutoff frequency, resonance, and envelope modulation parameters.

When the area of the sampling spot ( the size of the pixel sensor ) is not large enough to provide sufficient spatial anti-aliasing, a separate anti-aliasing filter ( optical low-pass filter ) is typically included in a camera system to further blur the optical image.

Subsequent innovations included the first disposal filter bags in the 1920s and the first upright vacuum cleaner in 1926.

A separate filter is included with some halogen light fixtures to remove UV light.

WordPerfect Family Pack 3 included Task Manager, WordPerfect 9, Quattro Pro 9, Corel Print House 5, Corel Photo House 5 Compton's Interactive World Atlas, Mavis Beacon Teaches Typing 11, McAfee VirusScan, and CYBERsitter 2000 Internet content filter.

The engine received carburettor and air filter modifications, claimed to give better cold start characteristics, while interior improvements included more comfortable seats, modified door trims incorporating a map pocket, and a new style tray to cover the luggage space behind the back seat.

Thunderbird incorporates a Bayesian spam filter, a whitelist based on the included address book, and can also understand classifications by server-based filters such as SpamAssassin.

A default set of filters is included with the program ; advanced filters and filter sets written by experienced users are also available online.

His results included the Woodward Ambiguity Function, " the standard tool for waveform and matched filter analysis ".

Nonetheless, the X9 remained the more popular of the two models, as it included the newer comb filter and is a dual-side player, meaning that double sided discs did not need to be manually flipped over in order for both sides to be played.

Both products included a high-pass filter which greatly attenuated all the low frequency tones that were expected to be beyond the capabilities of the target sound system.

New engine choices included a 2. 2 litre diesel with particulate filter and a new six-speed automatic transmission and Jaguar Sequential Shift, in addition to the existing 2. 0 diesel, and two V6 petrol engines ; 2. 5 and 3. 0-litre.

Standard equipment included power brakes, power steering, automatic transmission, back-up lamps, windshield wipers, two-speed wipers, wheel discs, outside rearview mirror, vanity mirror, oil filter, power windows, six way power seats, heater, fog lamps, remote control deck lid, radio and antenna with rear speaker, power vent windows, air suspension, electric door locks and license frames.

Standard equipment included power brakes, power steering, automatic transmission, dual back-up lamps, windshield wipers, two-speed wipers, wheel discs, outside rearview mirror, vanity mirror, oil filter, power windows, six-way power seats, heater, fog lamps, Eldorado engine, remote control trunk lock, radio with antenna and rear speaker, power vent windows, air suspension, electric door locks, license frames, and five whitewall tires.

Standard equipment included power brakes, power steering, automatic transmission, dual back up lights, windshield washer, dual speed wipers, wheel discs, plain fender skirts, outside rearview mirror, vanity mirror, oil filter, power windows, 6-way power bench seat or bucket seats, power vent windows, whitewall tires, and remote control trunk lock.

Other middeck payloads to test the effects of microgravity included the Commercial General Bioprocessing Apparatus ( CGPA ) for-life sciences research ; the Chromosome and Plant Cell Division in Space Experiment ( CHROMEX ) to-study plant growth ; the Physiological and Anatomical Rodent Experiment ( PARE ) to examine the skeletal system and the adaptation of bone to space flight ; the Space Acceleration Measurement Equipment ( SANS ) to measure and record the microgravity acceleration environment of middeck experiments ; and the Solid Surface Combustion Experiment ( SSCE ) to measure the rate of flame spread and temperature of burning filter paper.

Standard equipment on the Electra included Turbine-Drive automatic transmission, Mirromagic instrument panel, directional signals, full-flow oil filter, electric windshield wipers, Deluxe steering wheel, trip mileage indicator, cigar lighter, Step-On brake, dual armrests, cloth and vinyl trim, combinations, carpeting, power steering, power brakes, two-speed windshield wiper / washer system, glovebox light, Custom-padded seat cushions and Deluxe wheelcovers.

Standard features included directional signals, full-flow oil filter, dual speed electric windshield washer / wipers, Deluxe steering wheel, cigar lighter, Step-on parking brake, dual armrests, Turbine-Drive transmission, padded dashboard, heater, defroster, glovebox light, back-up lights, power steering, Glare-proof rearview mirror, power brakes, power brake signal light, safety buzer, courtesy lights, two-way power seats, power windows, Super Deluxe wheelcovers, Safety option group, custom padded cushions, Accessory Group options and custom moldings.

Standard equipment included directional signals, full-flow oil filter, dual speed electric windshield wiper / washers, Deluxe steering wheel, cigar lighter, Step-On parking brake, dual armrests, Turbine-Drive automatic transmission, padded dashboard, heater, defroster, glovebox light, back-up lights, power steering, Glare-proof rearview mirror, power brakes, parking brake signal light, safety buzzer, courtesy lights, two-way power seats, power windows, Super Deluxe wheelcovers, Safety option group, custom padded cushions, Accessory Group options and custom moldings.

Standard series equipment included four headlights, oil filter, turn signals, printed circuit instrument cluster, aluminum anodized grille, padded dash, foam rubber padded seat cushions, courtesy lights, parking brake light, special side moldings, chrome rocker panel moldings, Jetaway Hydramatic transmission, power steering and brakes, dual exhaust, electric clock, color accented wheel discs, and chrome wheel frames.

Standard equipment included oil filter, turn signals, air scoop brakes, Safety spectrum speedometer, rocker panel moldings, special emblems, parking brake light, sponge vinyl headliner, deep twist carpeting, electric clock, wheel trim moldings, power steering, power brakes, and Jetaway Hydramatic Drive.