Modern switching amplifiers need steep low pass filtering at the output to get rid of high frequency switching noise and harmonics.

Modern Class AB amplifiers commonly have peak efficiencies between 30 – 55 % in audio systems and 50-70 % in radio frequency systems with a theoretical maximum of 78. 5 %.

Modern transistor audio amplifiers of up to a few hundred watts are common and relatively inexpensive.

Modern instruments use electronic sensors, amplifiers, and recording devices.

Modern servomechanisms use solid state power amplifiers, usually built from MOSFET or thyristor devices.

Modern solid state amplifiers, which use relatively high levels of negative feedback to control distortion, have extremely low output impedances — one of the many consequences of using feedback — and small changes in an already low value change overall damping factor by only a small, and therefore negligible, amount.

Modern amplifiers coupled with advanced uplink power control systems that offer automatic controls to prevent transponder saturation make uplink power control systems an effective, affordable and easy solution to rain fade in satellite signals.

Modern roosters have lost the art of crowing restless spirits back to Purgatory.

Modern times have changed the world beyond recognition.

He was able to smell a bargain -- and a masterpiece -- a continent away, and the Museum of Modern Art's Alfred Barr said of him: `` I have never mentioned a new artist that Thompson didn't know about ''.

Modern Westerners have difficulty comprehending this fusion of moral and material, largely because in the West the historical trend has been to deny the connection.

Modern amphibians have fully ossified vertebrae with articular processes.

Modern anchors for smaller vessels have metal flukes which hook on to rocks on the bottom or bury themselves in soft bottoms.

Modern experiments have tested claims that Archimedes designed machines capable of lifting attacking ships out of the water and setting ships on fire using an array of mirrors.

Modern aestheticians have asserted that will and desire were almost dormant in aesthetic experience, yet preference and choice have seemed important aesthetics to some 20th-century thinkers.

Modern English, which almost entirely lacks declension in its nouns, does not have an explicitly marked accusative case even in the pronouns.

Modern glues have improved flexibility, toughness, curing rate, and chemical resistance.

Modern 155 mm guns have a primer magazine fitted to their breech.

Modern studies have shown the important role such concepts played in the world-view of Early Medieval scholars.

Modern historians have completed many studies of Bede's works.

Modern historians have studied the Historia extensively, and a number of editions have been produced.

Modern historians and editors of Bede have been lavish in their praise of his achievement in the Historia Ecclesiastica.

Modern battles now continue to resemble that of World War II, though prominent innovations have been added.

Recently, the team at the Institute of Modern Physics ( IMP ), Lanzhou, have studied the nuclear reaction between americium-243 and magnesium-26 ions in order to synthesise the new isotope < sup > 265 </ sup > Bh

Modern scholars have instead proposed that, with the eponymous Benjamin being just a metaphor, son of the south / son of the right are references to the tribe's being subordinate to the more dominant tribe of Ephraim.

In some published editions of the Bible, 1 & 2 Chronicles, Ezra, and Nehemiah have been presented together as a single book, for example, in The Modern Reader's Bible ( 1907 ) and The Books of the Bible ( 2007 ).

Modern Christian hymns have been inspired by the words of the prophet Habakkuk.

Modern historians have proposed wide ranging numbers for the infantry, from 20, 000 – 100, 000 with a consensus of perhaps 25, 000 ; estimates for the cavalry are in the range of 1, 000.

Modern hospitals now have available spare parts to replace a part of the body that is badly damaged by injury or disease.

Modern passive crossovers increasingly incorporate equalization networks ( e. g., Zobel networks ) that compensate for the changes in impedance with frequency inherent in virtually all loudspeakers.

Modern video equipment such as production switchers that have multiple video inputs will often include a variable delay on each input to compensate for the phase differences and time all the input signals to precise phase coincidence.

Modern neutron logging tools usually include two detectors to compensate for some borehole effects.

Modern designs can compensate most tower loads of that variable speed and variable pitch.

Modern electronic engine controls adjust cooling based on throttle to anticipate a temperature rise, and limit engine power output to compensate for finite cooling.

Modern population statistics are normally accompanied by metadata that explains how the statistics have been compiled and adjusted to compensate for any collection issues.

`` To give up these notions required a revolution in thought '', Mr. Clark said in reminiscing about the abrupt changes in ideas he experienced when he began reading `` Organic Gardening '' And `` Modern Nutrition '' in a search for help with his problems.

Modern psychology has shown that paralleling `` the authoritarian personality '' is `` the bigoted personality '' in which insecurity, inferiority, suspicion, and distrust combine to provide a target for antagonism so indispensable that it will be manufactured if it does not exist naturally.

Modern use of AAC began in the 1950s with systems for users who had lost the use of speech following surgical procedures.

Modern critics often fault Alcott for not being able to financially support his family.

From the Early Modern period, their name has become a term for female warriors in general.

Modern weapons include the Russian ZSU-23-4 Shilka and Tunguska-M1, South Korean K30 Biho and K263A1 radar-guided Vulcan, Chinese Type 95 SPAAA, Swedish CV9040 AAV, Polish PZA Loara, American M6 Bradley Linebacker and M1097 Humvee Avenger, Yugoslavian BOV-3, Canadian ADATS, aging German Gepard, Japanese Type 87 SPAAG and similar versions with the British Marksman turret ( which was also adapted for a number of other users ), Italian SIDAM 25 and Otomatic, and versions of the French AMX-13.

Riding a wave of international popularity, and despite his declining health, he travelled to the United States in 1965 for an exhibition of his works at the Museum of Modern Art in New York.

Modern coastal artillery ( for example, Russia's " Bereg " system ) is often self propelled, ( allowing it to avoid counter-battery fire ) and fully integrated, meaning that each battery has all of the support systems that it requires ( maintenance, targeting radar, etc.

Aegospotami ( Αἰγὸς Ποταμοί ) or Aegospotamos ( i. e. Goat Streams ) is the ancient Greek name for a small river issuing into the Hellespont ( Modern Turkish Çanakkale Boğazı ), northeast of Sestos.

* The Sabbath: Its Meaning for Modern Man.

Modern CPUs are typically 2-operand or 3-operand machines — the additional operands specify which one of many general purpose registers ( also called " general purpose accumulators ") are used as the source and destination for calculations.

Modern bicycle brakes may be: rim brakes, in which friction pads are compressed against the wheel rims ; internal hub brakes, in which the friction pads are contained within the wheel hubs ; or disc brakes, with a separate rotor for braking.

Modern usage uses a ' ten-foot ' pole, but the earliest instances in print involve a forty-foot pole, which is improbably long for operating a barge.

During the 1960s, De Palma began making a living producing documentary films, notably The Responsive Eye, a 1966 movie about The Responsive Eye op-art exhibit curated by William Seitz for Museum of Modern Art in 1965.

Modern barter and trade has evolved considerably to become an effective method of increasing sales, conserving cash, moving inventory, and making use of excess production capacity for businesses around the world.

Modern boomerangs used for sport are often made from carbon fibre-reinforced plastics, thin aircraft plywood, or other high-tech materials.

Modern biotechnology is often associated with the use of genetically altered microorganisms such as E. coli or yeast for the production of substances like synthetic insulin or antibiotics.

Modern biotechnology has evolved, making it possible to produce more easily and relatively cheaply human growth hormone, clotting factors for hemophiliacs, fertility drugs, erythropoietin and other drugs.

( 2002 ) Quest for Decisive Victory: From Stalemate to Blitzkrieg in Europe, 1899 – 1940, Modern War Studies.

Modern imaging systems like PostScript, Asymptote, Metafont, and SVG use Bézier splines composed of cubic Bézier curves for drawing curved shapes.

Following the release of Modern Times, Chaplin left with Goddard for another trip to the Far East.