modulator transformer
21Amplitude modulation — Passband modulation v · d · e Analog modulation AM · …
22Visual display unit — A visual display unit, often called simply a monitor or display, is a piece of electrical equipment which displays images generated from the video output of devices such as computers, without producing a permanent record. A newer monitor… …
23Commodore SX-64 — Release date 1984 Discontinued 1986 Operating system Commodore KERNAL Commodore BASIC 2.0 …
24Zoom Corporation — Infobox Company company name = Zoom Corporation company type = Private company slogan = Catch Us If You Can. foundation = Tokyo, Japan (1983) key people = Michihito Nozokido, president industry = Audio Equipment products = Multi effects, Amps,… …
25Grid bias — is a DC voltage applied to electron tubes (or valves in British English) with three electrodes or more, such as triodes. The control grid (usually the first grid) of these devices is used to control the electron flow from the heated cathode to… …
26WIDB — AfDM|page=WIDB|date=October 2008|substed=yes Infobox Radio station name = WIDB city = Carbondale, Illinois area = branding = slogan = frequency = Carrier current, Cable TV FM, SHOUTcast translator = repeater = airdate = April 12, 1970 share =… …
27Guitar effects — are electronic devices that modify the tone, pitch, or sound of an electric guitar, or condition or reroute the signal in some fashion. Effects can be housed in small effects pedals ( stomp boxes ), guitar amplifiers, guitar amplifier simulation… …
28Shortwave relay station — A shortwave relay station typically consists of a transmitter building (or transmitter hall) and one or more HRS type antennas. Some relay stations (that operate at 100 kW or less) that only serve a local region (within 1500 km) may use Log… …
29Crackle tube — A small battery powered Luminglas device, turned on. A small battery powered Luminglas device, turned …
