filter transformer
31Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios …
32Da Vinci Systems — is a main manufacturer of high end post production color grading and film restoration systems for feature films, video production and broadcast post production facilities. It was headquartered in Coral Springs, Florida still with offices in Los… …
33DC bias — When describing a periodic function in the frequency domain, the DC bias, DC component, DC offset, or DC coefficient is the mean value of the waveform (possibly scaled according to the norm of the corresponding basis function of the frequency… …
34Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …
35Superheterodyne receiver — A 5 tube superheterodyne receiver made in Japan around 1955 In electronics, a superheterodyne receiver (sometimes shortened to superhet) uses frequency mixing or heterodyning to convert a received signal to a fixed intermediate frequency, which… …
36List of electrical engineering topics — This is a listing of electrical engineering and electronic engineering topics and related terms. Contents 1 Electromagnetism 2 Physical laws 3 Control engineering 4 Electronics …
37Push–pull converter — A push–pull converter is a type of DC to DC converter that uses a transformer to change the voltage of a DC power supply. The transformer s ratio is arbitrary but fixed; however, in many circuit implementations the duty cycle of the switching… …
38Military equipment of Turkey — The military equipment of Turkey includes a wide array of arms, artilleries, large surface vessels, cannons, armored vehicles, mortars, unmanned vehicles and many different equipments. Contents 1 Historical development 1.1 General 1.2 1923 1950 …
39Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… …
40DBAG Class 101 — Power type Electric Builder ADtranz Model 101 Build date 1996–1999 Total …
