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Attenuator. An attenuator is an electronic device that reduces the power of a signal without appreciably distorting its waveform . An attenuator is effectively the opposite of an amplifier, though the two work by different methods. While an amplifier provides gain, an attenuator provides loss, or gain less than 1.
The PAD emotional state model is a psychological model developed by Albert Mehrabian and James A. Russell (1974 and after) to describe and measure emotional states. PAD uses three numerical dimensions, P leasure, A rousal and D ominance to represent all emotions. [1] [2] Its initial use was in a theory of environmental psychology, the core idea ...
The Π pad ( pi pad) is a specific type of attenuator circuit in electronics whereby the topology of the circuit is formed in the shape of the Greek capital letter pi (Π). Attenuators are used in electronics to reduce the level of a signal. They are also referred to as pads due to their effect of padding down a signal by analogy with acoustics.
Its feet have suction pads that allow it to climb slopes, walls, and trees. To protect itself, it releases a stench from its antennae. It camouflages itself in piles of leaves, or tries to scare predators with the eye patterns on its body. Across its life, it eats hundreds of leaves bigger its body.
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The isolation between the input and the isolated ports may be different from the isolation between the two output ports. For example, the isolation between ports 1 and 4 can be 30 dB while the isolation between ports 2 and 3 can be a different value such as 25 dB. Isolation can be estimated from the coupling plus return loss. The isolation ...
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