Misplaced Pages

#717282

56-540: Mullard Limited was a British manufacturer of electronic components. The Mullard Radio Valve Co. Ltd. of Southfields , London, was founded in 1920 by Captain Stanley R. Mullard , who had previously designed thermionic valves for the Admiralty before becoming managing director of the Z Electric Lamp Co. The company soon moved to Hammersmith , London and then in 1923 to Balham , London. The head office in later years

112-432: A mass-production basis, which limited them to a number of specialised applications. The MOSFET was invented at Bell Labs between 1955 and 1960. It was the first truly compact transistor that could be miniaturised and mass-produced for a wide range of uses. Its advantages include high scalability , affordability, low power consumption, and high density . It revolutionized the electronics industry , becoming

168-515: A 50/50 joint venture of Ericsson Mobile Platforms and STMicroelectronics , after ST purchased NXP's 20% stake. In April 2008, NXP announced it would acquire the set-top box business of Conexant to complement its existing Home business unit. In September 2008, NXP announced that it would restructure its manufacturing, R&D and back office operations, resulting in 4,500 job cuts worldwide. In October 2009, NXP announced that it would sell its Home business unit to Trident Microsystems . Before

224-733: A complaint with the National Human Right Commission . On April 29, mediation by the Ministry of Labour led to the signing of a memorandum that passed the decision over the work schedule to the Labour Relations Committee. The committee decided on June 20 that the new work schedule did not violate Thai labour law; however, the National Human Rights Committee decided otherwise and recommended the factory should revert to

280-769: A glass factory was built in 1955. In 1962 over 6,200 were employed and Mullard described the Blackburn works as "the largest valve manufacturing plant in Europe". By 1949 Mullard had produced a number of television sets, such as the MTS-521 and MTS-684. In 1951 Mullard was producing the LSD series of photographic flash tubes. Mullard had factories in Southport and Simonstone , both in Lancashire. The latter closed in 2004. There

336-865: A merger agreement was announced through which NXP would merge with competitor Freescale Semiconductor . In view of this merger, NXP's RF Power activities were sold to JAC Capital for US$ 1.8 billion and rebranded as Ampleon , in a transaction closed in November 2015. Both NXP and Freescale had deep roots stretching back to when they were part of Philips (NXP), and Motorola (Freescale) respectively. Both had similar revenue; US$ 4.8 billion and US$ 4.2 billion in 2013 for NXP and Freescale, respectively with NXP primarily focusing on near field communication (NFC) and high-performance mixed signal (HPMS) hardware, and Freescale focusing on its microprocessor and microcontroller businesses, and both companies possessing roughly equal patent portfolios. On December 7, 2015, NXP completed

392-566: A mix of the two types. Analog circuits are becoming less common, as many of their functions are being digitized. Analog circuits use a continuous range of voltage or current for signal processing, as opposed to the discrete levels used in digital circuits. Analog circuits were common throughout an electronic device in the early years in devices such as radio receivers and transmitters. Analog electronic computers were valuable for solving problems with continuous variables until digital processing advanced. As semiconductor technology developed, many of

448-563: A new rose: Mullard Jubilee "Electron" . To mark the occasion every employee received a "Mullard Jubilee" rose bush. Electronics Electronic devices have hugely influenced the development of many aspects of modern society, such as telecommunications , entertainment, education, health care, industry, and security. The main driving force behind the advancement of electronics is the semiconductor industry , which in response to global demand continually produces ever-more sophisticated electronic devices and circuits. The semiconductor industry

504-540: A physical space, although in more recent years the trend has been towards electronics lab simulation software , such as CircuitLogix , Multisim , and PSpice . Today's electronics engineers have the ability to design circuits using premanufactured building blocks such as power supplies , semiconductors (i.e. semiconductor devices, such as transistors), and integrated circuits. Electronic design automation software programs include schematic capture programs and printed circuit board design programs. Popular names in

560-463: A small scale production facility in the center of the Dutch city Nijmegen as part of its main industry group "Icoma" (Industrial Components and Materials), followed by the opening of a new factory in 1955. In 1965 Icoma became part of a new Philips main industry group: "Elcoma" (Electronic Components and Materials). In 1975 Silicon Valley –based Signetics was acquired by Philips. Signetics claimed to be

616-530: Is a Dutch semiconductor manufacturing and design company with headquarters in Eindhoven , Netherlands. It is the third largest European semiconductor company by market capitalization as of 2024. The company employs approximately 34,000 people in more than 30 countries and it reported revenues of $ 13.3 billion in 2023. Originally spun off from Philips in 2006, NXP completed its initial public offering , on August 6, 2010, with shares trading on Nasdaq under

SECTION 10

#1732801701718

672-548: Is defined as unwanted disturbances superposed on a useful signal that tend to obscure its information content. Noise is not the same as signal distortion caused by a circuit. Noise is associated with all electronic circuits. Noise may be electromagnetically or thermally generated, which can be decreased by lowering the operating temperature of the circuit. Other types of noise, such as shot noise cannot be removed as they are due to limitations in physical properties. Many different methods of connecting components have been used over

728-871: Is now closed. The one in Hazel Grove, Stockport specialises in power semiconductor devices and is now Nexperia Manchester . The first transistors produced by Mullard were the OC50 and OC51 point-contact types in 1952, which were not widely used. In 1953 Mullard moved to junction transistors, beginning with the plastic-cased OC10 series. These were followed by the glass-encapsulated OC43...47, OC70/71, (released in 1957) and OC80 series (the output devices were metal encapsulated to facilitate heatsinking), which were produced in large numbers and copied by other companies, such as Valvo (another Philips subsidiary) and Siemens in Germany, and Amperex (another Philips subsidiary) in

784-421: Is one of the largest and most profitable sectors in the global economy, with annual revenues exceeding $ 481 billion in 2018. The electronics industry also encompasses other sectors that rely on electronic devices and systems, such as e-commerce, which generated over $ 29 trillion in online sales in 2017. The identification of the electron in 1897 by Sir Joseph John Thomson , along with the subsequent invention of

840-595: Is the voltage comparator which receives a continuous range of voltage but only outputs one of two levels as in a digital circuit. Similarly, an overdriven transistor amplifier can take on the characteristics of a controlled switch , having essentially two levels of output. Analog circuits are still widely used for signal amplification, such as in the entertainment industry, and conditioning signals from analog sensors, such as in industrial measurement and control. Digital circuits are electric circuits based on discrete voltage levels. Digital circuits use Boolean algebra and are

896-448: Is therefore the process of defining and developing complex electronic devices to satisfy specified requirements of the user. Due to the complex nature of electronics theory, laboratory experimentation is an important part of the development of electronic devices. These experiments are used to test or verify the engineer's design and detect errors. Historically, electronics labs have consisted of electronics devices and equipment located in

952-465: The Confederation of Thai Electrical Appliances, Electronic Automobile & Metalworkers (TEAM) . Management then called in small groups of workers, asked them if they agreed with the union's demands, and told them to leave if they did. They were not able to enter the factory the next day. In response, TEAM staged protests outside the factory and on March 13 outside the Dutch embassy and also filed

1008-624: The IBM 608 was the first IBM product to use transistor circuits without any vacuum tubes and is believed to be the first all-transistorized calculator to be manufactured for the commercial market. The 608 contained more than 3,000 germanium transistors. Thomas J. Watson Jr. ordered all future IBM products to use transistors in their design. From that time on transistors were almost exclusively used for computer logic circuits and peripheral devices. However, early junction transistors were relatively bulky devices that were difficult to manufacture on

1064-837: The chip set and contactless card for MIFARE used by many major public transit systems worldwide. In order to protect against potential hackers, NXP offers gateways to automotive manufacturers that prevent communication with every network within a car independently. NXP Semiconductors operates with six different business lines (BLs): The Automotive BL covers a diversified solutions portfolio including MCUs, ADAS, Radar, Secure Car access, infotainment and in-vehicle networking. Ultra-low-power and high-performance processors, High-performance crossover processors, Low-power secure and connected MCUs, UWB, Wi-Fi, NFC, RFID and Bluetooth NFC and embedded Secure Elements (eSE). Scalable digital processing platforms, DC to mmW RF frequencies, 1.8 mW to 1.8 kW RF output power. In 1953 Philips started

1120-529: The ticker symbol NXPI . On December 23, 2013, NXP Semiconductors was added to the Nasdaq-100 index. In 2021 it was added to the American stock index S&P 500 On March 2, 2015, it was announced that NXP would merge with Freescale Semiconductor in a transaction which would value the combined enterprise at just over $ 40 billion. The merger was closed on December 7, 2015. On October 27, 2016, it

1176-441: The vacuum tube which could amplify and rectify small electrical signals , inaugurated the field of electronics and the electron age. Practical applications started with the invention of the diode by Ambrose Fleming and the triode by Lee De Forest in the early 1900s, which made the detection of small electrical voltages, such as radio signals from a radio antenna , practicable. Vacuum tubes (thermionic valves) were

SECTION 20

#1732801701718

1232-590: The "first company in the world established expressly to make and sell integrated circuits" and inventor of the 555 timer IC . At the time, it was claimed that with the Signetics acquisition, Philips was now number two in the league table of semiconductor manufacturers in the world. In 1987, Philips was ranked Europe's largest semiconductor maker. The year after, all Philips semiconductor subsidiaries, including Signetics, Faselec (in Switzerland) and Mullard (in

1288-448: The 1960s, U.S. manufacturers were unable to compete with Japanese companies such as Sony and Hitachi who could produce high-quality goods at lower prices. By the 1980s, however, U.S. manufacturers became the world leaders in semiconductor development and assembly. However, during the 1990s and subsequently, the industry shifted overwhelmingly to East Asia (a process begun with the initial movement of microchip mass-production there in

1344-538: The 1970s), as plentiful, cheap labor, and increasing technological sophistication, became widely available there. Over three decades, the United States' global share of semiconductor manufacturing capacity fell, from 37% in 1990, to 12% in 2022. America's pre-eminent semiconductor manufacturer, Intel Corporation , fell far behind its subcontractor Taiwan Semiconductor Manufacturing Company (TSMC) in manufacturing technology. By that time, Taiwan had become

1400-712: The EDA software world are NI Multisim, Cadence ( ORCAD ), EAGLE PCB and Schematic, Mentor (PADS PCB and LOGIC Schematic), Altium (Protel), LabCentre Electronics (Proteus), gEDA , KiCad and many others. Heat generated by electronic circuitry must be dissipated to prevent immediate failure and improve long term reliability. Heat dissipation is mostly achieved by passive conduction/convection. Means to achieve greater dissipation include heat sinks and fans for air cooling, and other forms of computer cooling such as water cooling . These techniques use convection , conduction , and radiation of heat energy . Electronic noise

1456-663: The Mullard buildings was the manufacturing complex for Philips Radios. Mitcham was also home to the Mullard Application Laboratory. In the late 1930s Philips opened a plant in Blackburn , Lancashire, and during the Second World War some operations were moved there from Mitcham; by the end of the war, nearly 3,000 were employed. Tungsten and molybdenum wire were produced on-site from 1954, and

1512-513: The UK), were merged in the newly formed product division Components. The semiconductor activities were split off from Components in 1991 under the name Philips Semiconductors. In June 1999, Philips acquired VLSI Technology , at the time making Philips the world's sixth largest semiconductor company. In December 2005, Philips announced its intention to divest Philips Semiconductors into an independent legal entity . In September 2006, Philips completed

1568-703: The USA. RF transistors were the OC170 and OC171. All these were germanium PNP transistors. Mullard's first silicon transistors were the OC201 to OC207, PNP alloy types using the standard SO-2 metal-over-glass construction such as the OC200 shown. From about 1960 Mullard switched to using the BC prefix for silicon, and AC for germanium, eliminating the confusion of part numbers. in the mid-1960s the first plastic packages were introduced. In 1964

1624-409: The basis of all digital computers and microprocessor devices. They range from simple logic gates to large integrated circuits, employing millions of such gates. Digital circuits use a binary system with two voltage levels labelled "0" and "1" to indicated logical status. Often logic "0" will be a lower voltage and referred to as "Low" while logic "1" is referred to as "High". However, some systems use

1680-459: The circuit, thus slowing the computer. The invention of the integrated circuit by Jack Kilby and Robert Noyce solved this problem by making all the components and the chip out of the same block (monolith) of semiconductor material. The circuits could be made smaller, and the manufacturing process could be automated. This led to the idea of integrating all components on a single-crystal silicon wafer, which led to small-scale integration (SSI) in

1736-531: The company and included the Southampton plant; GEC contributed their small factory in School Street, Hazel Grove, producing thyristors , rectifiers and power diodes . GEC pulled out of ASM Ltd in 1969. In 1972 production was moved to a newly constructed factory nearby on Bramhall Moor Lane. Both sites were later owned by NXP Semiconductors (formerly Philips Semiconductors ). The Southampton site

Mullard - Misplaced Pages Continue

1792-710: The company produced a prototype electronic desktop calculator as a technology demonstrator for its transistors and cold cathode indicator tubes. In 1957 Philips-Mullard helped to set up the Mullard Radio Astronomy Observatory (MRAO) at the University of Cambridge . In 1966 the Mullard Space Science Laboratory (MSSL) was opened near Dorking , Surrey as part of University College London . The Royal Society Mullard Award for young scientists and engineers

1848-401: The development and production of integrated circuits . The plant was planned to be the biggest semiconductor facility in Europe, employing 3,000 people including 200 scientists and engineers. In 1962 Associated Semiconductor Manufacturers (ASM) Ltd was formed by Mullard and GEC to combine the semiconductor development and production facilities of the two companies; Mullard owned two-thirds of

1904-509: The divestiture of Nexperia in June 2016, NXP was a volume supplier of discrete and standard logic devices, celebrating its 50 years in logic (via its history as both Signetics and Philips Semiconductors) in March 2012. NXP's first CEO was Frans van Houten ; he was succeeded by Richard L. Clemmer on January 1, 2009. Since May 2020, Kurt Sievers serves as president and CEO. In March 2015,

1960-874: The early 1960s, and then medium-scale integration (MSI) in the late 1960s, followed by VLSI . In 2008, billion-transistor processors became commercially available. An electronic component is any component in an electronic system either active or passive. Components are connected together, usually by being soldered to a printed circuit board (PCB), to create an electronic circuit with a particular function. Components may be packaged singly, or in more complex groups as integrated circuits . Passive electronic components are capacitors , inductors , resistors , whilst active components are such as semiconductor devices; transistors and thyristors , which control current flow at electron level. Electronic circuit functions can be divided into two function groups: analog and digital. A particular device may consist of circuitry that has either or

2016-452: The electronic logic gates to generate binary states. Highly integrated devices: Electronic systems design deals with the multi-disciplinary design issues of complex electronic devices and systems, such as mobile phones and computers . The subject covers a broad spectrum, from the design and development of an electronic system ( new product development ) to assuring its proper function, service life and disposal . Electronic systems design

2072-544: The first active electronic components which controlled current flow by influencing the flow of individual electrons , and enabled the construction of equipment that used current amplification and rectification to give us radio , television , radar , long-distance telephony and much more. The early growth of electronics was rapid, and by the 1920s, commercial radio broadcasting and telecommunications were becoming widespread and electronic amplifiers were being used in such diverse applications as long-distance telephony and

2128-562: The following ways: The electronics industry consists of various sectors. The central driving force behind the entire electronics industry is the semiconductor industry sector, which has annual sales of over $ 481 billion as of 2018. The largest industry sector is e-commerce , which generated over $ 29 trillion in 2017. The most widely manufactured electronic device is the metal-oxide-semiconductor field-effect transistor (MOSFET), with an estimated 13   sextillion MOSFETs having been manufactured between 1960 and 2018. In

2184-489: The functions of analog circuits were taken over by digital circuits, and modern circuits that are entirely analog are less common; their functions being replaced by hybrid approach which, for instance, uses analog circuits at the front end of a device receiving an analog signal, and then use digital processing using microprocessor techniques thereafter. Sometimes it may be difficult to classify some circuits that have elements of both linear and non-linear operation. An example

2240-462: The merger with Freescale Semiconductor; the merged company continued its operation as NXP Semiconductors N.V. NXP Semiconductors is headquartered in Eindhoven , Netherlands, and has numerous international locations. In March 2013, NXP locked out workers at its plant in Bangkok, Thailand. The reason was stalled negotiations over a new work schedule with their trade union, which was affiliated with

2296-399: The most widely used electronic device in the world. The MOSFET is the basic element in most modern electronic equipment. As the complexity of circuits grew, problems arose. One problem was the size of the circuit. A complex circuit like a computer was dependent on speed. If the components were large, the wires interconnecting them must be long. The electric signals took time to go through

Mullard - Misplaced Pages Continue

2352-677: The music recording industry. The next big technological step took several decades to appear, when the first working point-contact transistor was invented by John Bardeen and Walter Houser Brattain at Bell Labs in 1947. However, vacuum tubes played a leading role in the field of microwave and high power transmission as well as television receivers until the middle of the 1980s. Since then, solid-state devices have all but completely taken over. Vacuum tubes are still used in some specialist applications such as high power RF amplifiers , cathode-ray tubes , specialist audio equipment, guitar amplifiers and some microwave devices . In April 1955,

2408-635: The old schedule. NXP continues to demand regular 12-hour shifts. In May 2014, the company fired 24 workers at its plant in the special economic zone in Cabuyao, The Philippines. The workers were all officials of a trade union affiliated with the Metal Workers Alliance of the Philippines (MWAP) . Reports said they were fired due to their union functions in negotiations for a new collective bargaining agreement . Factory owners claimed

2464-607: The prefix PM, for Philips-Mullard, beginning with the PM3 and PM4 in 1926. Mullard finally sold all its shares to Philips in 1927. In 1928, the company introduced the first pentode valve to the British market. Mullard opened a new manufacturing plant at the end of New Road, Mitcham , Surrey in 1929. A second building was added in 1936. Both buildings had a very distinctive flat roof construction and were very similar to those at Philips' headquarters in Eindhoven , Netherlands. Co-sited with

2520-466: The recession in the mid-1970s. To mark the 50th anniversary of the founding of the company, Mullard management decided to have a rose named after the company. Mullard's quest was simple, they wanted a world-beater, nothing less, so they contacted the renowned grower Sam McGredy IV in Northern Ireland. The naming fee of £10,000/$ 24,000 was a lot of money in 1970 and established a record fee for

2576-540: The reverse definition ("0" is "High") or are current based. Quite often the logic designer may reverse these definitions from one circuit to the next as they see fit to facilitate their design. The definition of the levels as "0" or "1" is arbitrary. Ternary (with three states) logic has been studied, and some prototype computers made, but have not gained any significant practical acceptance. Universally, Computers and Digital signal processors are constructed with digital circuits using Transistors such as MOSFETs in

2632-706: The sale of an 80.1% stake in Philips Semiconductors to a consortium of private equity investors consisting of KKR , Bain Capital , Silver Lake Partners , Apax Partners and AlpInvest Partners . The new company name NXP (from Next eXPerience) was announced on August 31, 2006, and the company was officially launched during the Internationale Funkausstellung (IFA) consumer electronics show in Berlin. The newly independent NXP

2688-405: The workers were fired after refusing to work on April 9, while workers said they had not been paid for two months. IndustriALL and its affiliated unions in the Philippines condemned the dismissals. In September, MWAP and NXP reached an agreement by which 12 of the fired workers were reinstated and the other 12 received separation packages. NXP also committed itself to a long-term wage increase. In

2744-564: The world's leading source of advanced semiconductors —followed by South Korea , the United States , Japan , Singapore , and China . Important semiconductor industry facilities (which often are subsidiaries of a leading producer based elsewhere) also exist in Europe (notably the Netherlands ), Southeast Asia, South America, and Israel . NXP Semiconductors NXP Semiconductors N.V. ( NXP for N ext e XP erience)

2800-762: The years. For instance, early electronics often used point to point wiring with components attached to wooden breadboards to construct circuits. Cordwood construction and wire wrap were other methods used. Most modern day electronics now use printed circuit boards made of materials such as FR4 , or the cheaper (and less hard-wearing) Synthetic Resin Bonded Paper ( SRBP , also known as Paxoline/Paxolin (trade marks) and FR2) – characterised by its brown colour. Health and environmental concerns associated with electronics assembly have gained increased attention in recent years, especially for products destined to go to European markets. Electrical components are generally mounted in

2856-535: Was Mullard House at 1–19 Torrington Place, Bloomsbury , now part of University College London . In 1921, the directors were Sir Ralph Ashton (chairman), Basil Binyon of the Radio Communication Co, C.F. Elwell and S.R. Mullard (managing director). In 1923, to meet the technical demands of the newly formed BBC , Mullard formed a partnership with the Dutch manufacturer Philips . The valves (vacuum tubes) produced in this period were named with

SECTION 50

#1732801701718

2912-404: Was a purpose-built plant, opened in 1957 for the manufacture of semiconductors . Production of germanium alloy transistors was transferred from Mitcham. At the same time the plant started the research, development and production of electro optical devices. Fabrication of planar devices on a mass production basis did not begin until 1966, when germanium sales were decreasing. 1967 saw the start of

2968-806: Was also a sister factory at Belmont in Durham (closed in June 2005). Other factories included those at Fleetwood (closed in 1979) and Lytham St. Annes (closed in 1972). A feeder factory at Haydock closed in 1981. A small factory in Hove closed in the early 1970s. In the early 1980s, Mullard manufactured the SAA5050 , one of the first teletext character generator modules made in the UK. Mullard owned semiconductor factories in Southampton and Hazel Grove , Stockport, Cheshire. Southampton (Millbrook Trading Estate)

3024-783: Was announced that Qualcomm would try to buy NXP for $ 44 billion, which at that time would have been the biggest semiconductor takeover globally. However, Qualcomm cancelled the deal due in part to trade issues in China. The merger was effectively cancelled on July 26, 2018. NXP customers include Apple Inc. , Dell , Ericsson and Samsung . NXP is the co-inventor of near field communication (NFC) technology along with Sony and Inside Secure and supplies NFC chip sets that enable mobile phones to be used to pay for goods, and store and exchange data securely. NXP manufactures chips for eGovernment applications such as electronic passports ; RFID tags and labels; and transport and access management, with

3080-435: Was ranked as one of the world's top 10 semiconductor companies. In February 2007, when NXP announced that it would acquire Silicon Laboratories ’ AeroFONE single-chip phone and power amplifier product lines to strengthen its Mobile and Personal business. The next year, NXP announced that it would transform its Mobile and Personal business unit into a joint venture with STMicroelectronics , which in 2009 became ST-Ericsson ,

3136-661: Was set up in 1967. Philips continued to use the brand name "Mullard" in the UK until 1988. Mullard Research Laboratories in Redhill , Surrey then became Philips Research Laboratories. As of 2007, the Mullard brand has been revived by Sovtek , producing a variant of the ECC83 and EL34 . The Z Electric Lamp Co. continued business into the 1970s operating from premises in Thornton Heath , southern Greater London, manufacturing lamps of specialised design. However, it closed due to

#717282