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E-MU 20K is the commercial name for a line of audio chips by Creative Technology, commercially known as the Sound Blaster X-Fi chipset. The series comprises the E-MU 20K1 (CA20K1) and E-MU 20K2 (CA20K2) audio chips.
Port 1 is the input port where power is applied. Port 3 is the coupled port where a portion of the power applied to port 1 appears. Port 2 is the transmitted port where the power from port 1 is outputted, less the portion that went to port 3. Directional couplers are frequently symmetrical so there also exists port 4, the isolated port.
4.3-10 connector, formerly known as DIN 4.3/10, now standardized as IEC 61169-54; Belling-Lee connector, also called IEC 61169-2 connector, used throughout Europe and Australia, as well as parts of South-East Asia, for domestic television and FM radio antenna cabling; BNC connector (Bayonet Neill-Concelman). (IEC 61169-8 and IEC 61169-63)
ASTEC UM 1286 UHF modulator, top cover taken off. An RF modulator (radio frequency modulator) is an electronic device used to convert signals from devices such as media players, VCRs and game consoles to a format that can be handled by a device designed to receive a modulated RF input, such as a radio or television receiver.
Figure 1: Example two-port network with symbol definitions. Notice the port condition is satisfied: the same current flows into each port as leaves that port.. In electronics, a two-port network (a kind of four-terminal network or quadripole) is an electrical network (i.e. a circuit) or device with two pairs of terminals to connect to external circuits.
Struck Gogh-ld. A newly discovered Vincent van Gogh painting worth $15 million was likely found at a dusty Minnesota garage sale — where a buyer plunked down less than $50 for the world-famous ...
They are sometimes used to replace older infrared communication designs as they have the advantage of not requiring line-of-sight operation. Several carrier frequencies are commonly used in commercially available RF modules, including those in the industrial, scientific and medical (ISM) radio bands such as 433.92 MHz, 915 MHz, and 2400 MHz ...
In a radio antenna, the feed line (feedline), or feeder, is the cable or other transmission line that connects the antenna with the radio transmitter or receiver.In a transmitting antenna, it feeds the radio frequency (RF) current from the transmitter to the antenna, where the energy in the current is radiated as radio waves.