single-ended
41Fairlie locomotive — For other uses of Fairlie, see Fairlie (disambiguation). A Fairlie is a type of articulated steam locomotive that has the driving wheels on bogies. The locomotive may be double ended (a double Fairlie) or single ended (a single Fairlie). Fairlies …
42Noise reduction — For sound proofing, see soundproofing. For scientific aspects of noise reduction of machinery and products, see noise control. Noise reduction is the process of removing noise from a signal. All recording devices, both analogue or digital, have… …
43Tube sound — (or valve sound) is the characteristic sound associated with a vacuum tube based audio amplifiers. Some audiophiles prefer the sound that is produced by the distortion characteristics of tube based amplifiers. The audible significance of tube… …
44San Francisco cable car system — Infobox nrhp2 | name =San Francisco Cable Cars nhl=yes caption = Powell Hyde line cable car passing by Lombard Street in Russian Hill location= 1390 Washington Street, San Francisco, California [http://www.nr.nps.gov/writeups/66000233.nl.pdf NHL… …
45F Market & Wharves — Infobox rail line name = F Market Wharves color = f0e68c image width = 250px caption = Car 130 at Jones Street Terminal. type = Heritage streetcar system = San Francisco Municipal Railway status = locale = San Francisco, California start = Jones… …
46IEEE 1355 — IEEE 1355, IEC 14575, or ISO 14575 is a data communications standard, the IEEE Standard for Heterogeneous Interconnect (HIC). It is a low cost, low latency, scalable serial interconnection system, originally intended for communication between… …
47Parallel SCSI — Centronics 50 SCSI plug Parallel SCSI (formally, SCSI Parallel Interface, or SPI) is one of the interface implementations in the SCSI family. In addition to being a data bus, SPI is a parallel electrical bus: There is one set of electrical… …
48Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… …
49Operational amplifier — A Signetics μa741 operational amplifier, one of the most successful op amps. An operational amplifier ( op amp ) is a DC coupled high gain electronic voltage amplifier with a differential input and, usually, a single ended output.[1] An op amp… …
50Valve amplifier — A valve amplifier or tube amplifier is a type of electronic amplifier that make use of vacuum tubes instead of solid state semiconductor devices (such as transistors). As any other electronic amplifier they serve to increase the power and/or… …
