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 patch-clamp amplifiers have circuity to compensate for this error, but these compensate only 70-80 % of it.

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 implementations of atomic spectroscopy for studying visible and ultraviolet transitions include flame emission spectroscopy, inductively coupled plasma atomic emission spectroscopy, glow discharge spectroscopy, microwave induced plasma spectroscopy, and spark or arc emission spectroscopy.

The Commercial Revolution, coupled with other changes in the Early Modern Period, had dramatic effects on the globe.

Modern toilets may be close coupled, with the cistern mounted directly on the toilet bowl and no intermediate pipe.

Modern, automated sorting applies optical sensors ( visible spectrum, near infrared, X-ray, ultraviolet ), that can be coupled with electrical conductivity and magnetic susceptibility sensors, to control the mechanical separation of ore into two or more categories on an individual rock by rock basis.

On November 3, 1948, " Boogie Chillen '" was released nationally on the Los Angeles-based Modern Records label, coupled with " Sally May ," as Modern 20-627.

Modern psychiatric knowledge provides us with many keys to unlock the significance of behavior of the kind.

On the other hand, the bright vision of the future has been directly stated in science fiction concerned with projecting ideal societies -- science fiction, of course, is related, if sometimes distantly, to that utopian literature optimistic about science, literature whose period of greatest vigor in the late nineteenth and early twentieth centuries produced Edward Bellamy's Looking Backward and H. G. Wells's A Modern Utopia.

`` 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 music is available in several facets: raï music is a style typical of Western Algeria with his two fiefs are Oran and Sidi Bel Abbès.

Modern amphibians have fully ossified vertebrae with articular processes.

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

Modern definitions are concerned with the fundamental chemical reactions common to all acids.

Modern moorings may be anchored by sand screws which look and act very much like oversized screws drilled into the seabed, or by barbed metal beams pounded in ( or even driven in with explosives ) like pilings, or a variety of other non-mass means of getting a grip on the bottom.

* Modern Neopagans, especially Eco-Pagans, sometimes like to describe themselves as animists, meaning that they respect the diverse community of living beings and spirits with whom humans share the world / cosmos.

Modern critics are more likely to find fault with the narrow definition of the citizen body, but in the ancient world the complaint if anything went in the opposite direction.

Modern displays allow weather information to be integrated with moving maps, terrain, and traffic onto a single screen, greatly simplifying navigation.

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.

Woman with Her Throat Cut, 1932 ( cast 1949 ), Museum of Modern Art | Museum of Modern Art, New York City

Modern Jains deny this vehemently, especially with regard to Mahavira himself.

Modern advertising was created with the innovative techniques introduced with tobacco advertising in the 1920s, most significantly with the campaigns of Edward Bernays, which is often considered the founder of modern, Madison Avenue advertising.

Modern birds are characterised by feathers, a beak with no teeth, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a lightweight but strong skeleton.

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.

The historical development of the Bulgarian language can be described as a transition from a highly synthetic language ( Old Bulgarian ) to a typical analytic language ( Modern Bulgarian ) with Middle Bulgarian as a midpoint in this transition.

Several Cyrillic alphabets with 28 to 44 letters were used in the beginning and the middle of the 19th century during the efforts on the codification of Modern Bulgarian until an alphabet with 32 letters, proposed by Marin Drinov, gained prominence in the 1870s.

Modern cymbals consist of several types of bronze, the most common being B20 bronze, which is roughly 20 % tin, 80 % copper, with traces of silver.

Modern historiographical techniques were dramatically advanced in the German universities of the 19th century.

Modern hunting rifles have fiberglass and carbon fiber stocks and more advanced recoil pads, but are fundamentally the same as infantry rifles from 1910.

Many Modern Orthodox Jewish women and Modern Orthodox rabbis sought to provide greater and more advanced Jewish education for women.

Since most Modern Orthodox women attend college, and many receive advanced degrees in a variety of fields, Modern Orthodoxy generally believes that their Jewish education should equal their secular education.

Modern Hall thrusters have achieved efficiencies as high as 75 % through advanced designs.

Modern design and fabrication techniques, along with advanced materials such as graphite, boron and fibreglass composites as well as stainless steel ( see Emmrod )- have allowed rod makers to tailor both the shape and action of fishing rods for greater casting distance, accuracy, and fish-fighting qualities.

* In the United States, Modern Orthodox rabbis Avi Weiss and Saul Berman created an advanced educational institute for women called Torat Miriam.

Modern writers including Paula Mitchell Marks and Alford Turner have advanced the theory that Holliday somehow managed to hold and accurately fire two weapons ambidextrously, but none of the witnesses including Behan reported observing this.

Modern dishwashers are descended from the 1887 invention of Josephine Cochrane who invented a new advanced dishwasher, also hand-powered, which she unveiled at the 1893 Chicago World's Fair.

Modern GPUs are designed primarily for 3d and add the ability to modify bitmaps in mathematically advanced ways, allowing arbitrary image transformations, texture decompression and filtering, shading for illumination models, alpha blend compositing operations, and depth-buffer comparison / update.

As Commanding General of the Army Training Center at Fort Ord, California in 1971-1973, he oversaw extensive experimentation in adapting basic and advanced individual training under Project VOLAR in preparation for the end of conscription and the institution of the Modern Volunteer Army.

Filipino Martial Arts are considered the most advanced practical modern blade system in the world and are now a core component of the U. S. Army's Modern Army Combatives program and used by the Russian Spetsnaz ( special forces ).

Modern, advanced projectors typically use a carousel that holds a large number of slides ; a mechanism automatically pulls a single slide from the carousel and places it in front of the lamp.

Modern literary use includes W. H. Auden, and it has notably been advanced by Dana Gioia ; see New Formalism for other modern and contemporary uses rhythm, including accentual verse, in English language poetry.

Modern advanced recording studios may have multiple types of DAWs in them and it is not uncommon for a sound engineer and / or musician to travel with a portable laptop-based DAW, although interoperability between different DAWs is poor.

Modern Portuguese architecture follow the most advanced trends seen in European mainstream architecture with no constraints, though preserving some of its singular characteristics.

Modern safety technology applications like composite fiber re-enforced Kevlar cockpits, capsule-enclosed driver modules with improved safety harness systems ( in PRO, OPC, and limited / unlimited inboard hydroplanes ), flip-over incident escape hatches & engine shut-off features, oxygen system & aircraft-quality windscreen canopies for capsule hulls, and advanced ballistic impact-resistant suits with improved helmet / neck brace wear — all of these improvements making the boats and specialized personal protection gear safer for the present-day driver.

Modern submarine warfare consists primarily of diesel and nuclear submarines using weapons ( like torpedoes, missiles or nuclear weapons ), as well as advanced sensing equipment, to attack other submarines, ships, or land targets.

In 1950 he put together his most advanced band, the 39-piece Innovations in Modern Music Orchestra that included 16 strings, a woodwind section, and two French horns.

Modern advanced trainers feature programmable multi-function displays which can be programmed to simulate different electronic systems and scenarios.

The Modern Humanities Research Association ( MHRA ) is a British-based international organization that aims to encourage and promote advanced study and research of humanities.

Started as a school festival in 1999, the Midi Modern Music Festival advanced to the largest rock music festival in China with up to 80000 visitors and over 100 bands.