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Figure 1: A version of the Widlar current source using bipolar transistors. Figure 1 is an example Widlar current source using bipolar transistors, where the emitter resistance R 2 is connected to the output transistor Q 2, and has the effect of reducing the current in Q 2 relative to Q 1.
The Wilson current mirror has an output impedance that is higher by the factor , on the order of 50 times. The input impedance of a current mirror is the ratio of the change in input voltage (the potential from the input terminal to ground in Fig. 1 and Fig. 2) to the change in input current that causes it.
In electronics, power amplifier classes are letter symbols applied to different power amplifier types. The class gives a broad indication of an amplifier 's characteristics and performance. The first three classes are related to the time period that the active amplifier device is passing current, expressed as a fraction of the period of a ...
Alan Christie Wilson (July 4, 1943 – September 3, 1970), nicknamed "Blind Owl", was an American musician, best known as the co-founder, leader, co-lead singer, and primary composer of the blues band Canned Heat. He sang and played harmonica and guitar with the group, live and on recordings.
Carl Dean Wilson (December 21, 1946 – February 6, 1998) was an American musician who co-founded the Beach Boys. He was their lead guitarist, the youngest sibling of bandmates Brian and Dennis , and the group's de facto leader in the early to mid-1970s.
2007 Toyota Yaris hatchback owner's manual 1919 Ford Motor Company car and truck operating manual. An owner's manual (also called an instruction manual or a user guide) is an instructional book or booklet that is supplied with almost all technologically advanced consumer products such as vehicles, home appliances and computer peripherals.
The Standel Company is an American company that makes guitar amplifiers.It was founded in 1953 by Robert "Bob" Crooks in Temple City, California.Standel (a portmanteau of standard and electronics) was the name of Crooks' side-business of radio and hi-fi repair, located in his garage at 10661 Freer Street, Temple City, California.
Lee de Forest (August 26, 1873 – June 30, 1961) was an American inventor, electrical engineer and an early pioneer in electronics of fundamental importance. He invented the first practical electronic amplifier, the three-element "Audion" triode vacuum tube in 1906.