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L4-arch0 - VADA
L4-arch0 - VADA

... Asynchronous system (self-timed): an input signal (request) starts the computation on a module and an output signal (acknowledge) signifies the completion of the computation and the availability of the requested data. Asynchronous systems are potentially response to transitions on any of their input ...
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... The ADS802 is a high-speed, sampling A/D converter with pipelining. It uses a fully differential architecture and digital error correction to ensure 12-bit resolution. The differential track-and-hold circuit is shown in Figure 1. The switches are controlled by an internal clock that has a non-overla ...
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... functions of an electrical system. A loading application cannot sustain itself without energy, and cannot fully perform its functions without a stable supply Transformers, generators, batteries, and other off-line supplies incur substantial voltage and current variations across time and over a wide ...
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... Consider the CMR in buffer configuration In telescopic OTA, the swing will be very small since bias transistor "locks" the ...
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... The two-bit counter takes a “clock” as an input and has two outputs. Each clock pulse, the two-bit number produced by the counter should go up by 1, cycling back to 0 after it reaches 3. Using the design procedure outlined in class, design a two-bit counter using two JK flip-flops remembering and . ...
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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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