Nominal impedance in electrical engineering and audio engineering refers to the approximate designed impedance of an electrical circuit or device. The...
24 KB (3,290 words) - 18:38, 11 July 2024
beam Nominal impedance, approximate designed impedance Impedance matching, the adjustment of input impedance and output impedance Mechanical impedance, a...
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speaker's rated or nominal impedance (Znom) is derived from this Zmin value, explained ahead. Beyond the Zmin point the impedance is again largely inductive...
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Nominal wattage is used to simplify the measurement of the efficiency of a loudspeaker. The impedance of a loudspeaker varies with frequency. This means...
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{\displaystyle r={\frac {E-V_{L}}{I}}} . Electrical impedance Input impedance Nominal impedance Damping factor Voltage divider Early effect small-signal...
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the base current and the antenna's nominal impedance at the carrier frequency. For directional stations, nominal power is normally equal to the RF power...
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resistances on all the other operating wheels are nominal. Caliber Conversion of units Metrology Nominal impedance Paper size Preferred number Significant figures...
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electrical engineering, impedance matching is the practice of designing or adjusting the input impedance or output impedance of an electrical device for...
32 KB (4,650 words) - 17:46, 13 September 2024
Microphone (section Impedance bridging)
accessory for disabling internal microphone. Microphone connector Nominal impedance The long-standard spelling mike, dating to the 1920s, for the abbreviated...
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to one fourth will reduce the voltage (and the current) by half. Nominal impedance, for example 50 ohm Frequency bandwidth, for example DC-18 GHz Power...
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Line level (section Impedances)
the output voltage of the source device; it also depends on its output impedance and output power capability. Consumer electronic devices concerned with...
14 KB (1,742 words) - 15:53, 26 August 2024
For an antimetric network, the two impedances must be the dual of each other with respect to some nominal impedance R0. That is, Z i 1 R 0 = R 0 Z i 2...
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Antenna feed (section Impedance matching)
Particularly in transmitters, the feed system is a critical component which impedance matches the antenna, feedline, and transmitter. To accomplish this, the...
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M-derived filter (category Image impedance filters)
expressions for image impedances are all referenced to the low-pass prototype section. They are scaled to the nominal impedance R0 = 1, and the frequencies...
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the automotive industry SMC connector SSMA connector is a 50 Ohm nominal impedance RF connector which utilizes a 10–36 threaded coupling and is essentially...
11 KB (1,431 words) - 09:33, 26 August 2024
amplifier Lipstick pickup List of electronics topics Magnetic circuit Nominal impedance Preamplifier Reverberation Single coil Transformer Lace Sensor "Invention:...
28 KB (3,180 words) - 15:24, 12 September 2024
Mm'-type filter (category Image impedance filters)
to the nominal impedance R0 = 1 and the frequencies in those expressions are all scaled to the cut-off frequency ωc = 1. The image impedance looking...
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grille. Designed for home cinema, it has bass response down to 43 Hz, nominal impedance of 6 ohm and maximum power handling rated at 180 W. A miniature version...
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taken with respect to some nominal or characteristic impedance. To do this, Z and Z' are scaled to the nominal impedance Z0 so that Z ′ Z 0 = Z 0 Z {\displaystyle...
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or some other ratio of two small integers. Convenient number Nominal impedance Nominal size Preferred metric sizes Milton, Hans J. (December 1978). "The...
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Damping factor (section Amplifier output impedance)
loudspeaker's nominal load impedance (input impedance) of Z L {\displaystyle Z_{\mathrm {L} }} is usually around 4 to 8 Ω, although other impedance speakers...
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used for the SMPTE 292 electrical interface is coaxial cable with a nominal impedance of 75 Ω. Data is encoded in NRZ format, and a linear feedback shift...
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mounting depth is a mere 2.54 inches. This subwoofer features 3-ohm nominal impedance and has an RMS of 600 W. Easily mounts in tight places. CleanSweep:...
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Network synthesis filters (redirect from Driving point impedance)
The prototype is usually designed to be a low-pass filter of unity nominal impedance and unity cut-off frequency, although other schemes are possible....
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is another undesirable effect. The nominal impedance quoted for this type of cable is, in this case, very nominal, being valid at only one spot frequency...
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all use (one or more) coaxial cables with BNC connectors, with a nominal impedance of 75 ohms. This is the same type of cable used in analog video setups...
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system provides units for power, voltage, current, impedance, and admittance. With the exception of impedance and admittance, any two units are independent...
21 KB (2,912 words) - 19:03, 19 August 2024
Zobel network (category Image impedance filters)
filters. Zobel networks are a type of filter section based on the image-impedance design principle. They are named after Otto Zobel of Bell Labs, who published...
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one composite or two (horizontal & vertical) sync signals.: §9 The nominal impedance of each signal line is 75 Ω and each channel must be capable of carrying...
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signals, or to provide impedance matching between high impedance and low impedance circuits, such as between a high impedance tube (valve) amplifier output...
48 KB (6,001 words) - 03:32, 16 August 2024