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simplified block diagram
simplified block diagram

... latches are regenerating the analog residues into logical data before entering an error correction circuitry and a ...
Introduction to IC Testing
Introduction to IC Testing

... Terms that Apply to Test parameters VCC : The supply voltage of a TTL device ICC : The current consumed by the circuitry of a TTL device VDD : The supply voltage of a MOS device IDD : The current consumed by the circuitry of a MOS device IIH : Input Leakage High is the maximum amount of current tha ...
ADF4007 (Rev. B)
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... are normally closed switches. SW3 is normally open. When power-down is initiated, SW3 is closed and SW1 and SW2 are opened. This ensures that there is no loading of the REFIN pin on power-down. ...
ece2201_lab5_modified
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... For the resistor value that is not standard, you will need to trim to an exact value by using series and parallel combination of resistors in your kit. Since you know from your results in part L2 what the correct value of  is, you can start calibration of your meter circuit by making the collecto ...
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Engineering and Design of Mytek Stereo192-DSD-DAC
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SLK2721 数据资料 dataSheet 下载
SLK2721 数据资料 dataSheet 下载

... OIF99.102 specification when operating at the OC-48 rate. When operating at lower serial rates, the clock and data frequency are scaled down accordingly, as indicated in Table 1. The parallel data TXDATA[0:3] is latched on the rising edge of TXCLK and then is sent to a data FIFO to resolve any phase ...
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... The Si5110 can be configured to activate a loss-ofsignal alarm output (LOS) when the RXDIN input amplitude drops below a programmable threshold level. An appropriate level of hysteresis prevents unnecessary switching on LOS. The LOS threshold level is set by applying a dc voltage to the LOSLVL input ...
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... Multivibrators are circuits that are designed to have zero, one, or two stable output states. The 555 timer is one of the most popular general purpose IC multivibrators. It can be used in a variety of applications requiring accurate time delays, oscillation, and pulse conditioning. Signetics Corpora ...
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Si5110 - Silicon Labs

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cdcdlp223 - Texas Instruments

... harm and take appropriate remedial actions. Buyer will fully indemnify TI and its representatives against any damages arising out of the use of any TI components in safety-critical applications. In some cases, TI components may be promoted specifically to facilitate safety-related applications. With ...
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... impedance between the converters because of added lead / trace length. To keep interconnect impedance between boards from corrupting the control signals, Vicor’s PR isolation transformer (Vicor P/N 29768) must be used to isolate the PR bus. It is recommended that all masters be located on the same b ...
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Design of a Low Noise Amplifier and Mixer in 0
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... LNA. When designing a low noise amplifier, considerations must be taken to the tradeoffs between specifications such as the desired gain, the noise figure, input impedance, and power consumption. All of the LNA parameters are important but they do not always work in each other’s favor. The tradeoffs ...
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... to an output. The sum must be less than the output’s IOH specification. Step 2: add up the IIL for all inputs connected to an output. The sum must be less than the output’s IOL specification. Examples 8-7 to 8-9. ...
Design Pittfalls and Fixes
Design Pittfalls and Fixes

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Flip-flop (electronics)



In electronics, a flip-flop or latch is a circuit that has two stable states and can be used to store state information. A flip-flop is a bistable multivibrator. The circuit can be made to change state by signals applied to one or more control inputs and will have one or two outputs. It is the basic storage element in sequential logic. Flip-flops and latches are a fundamental building block of digital electronics systems used in computers, communications, and many other types of systems.Flip-flops and latches are used as data storage elements. A flip-flop stores a single bit (binary digit) of data; one of its two states represents a ""one"" and the other represents a ""zero"". Such data storage can be used for storage of state, and such a circuit is described as sequential logic. When used in a finite-state machine, the output and next state depend not only on its current input, but also on its current state (and hence, previous inputs). It can also be used for counting of pulses, and for synchronizing variably-timed input signals to some reference timing signal.Flip-flops can be either simple (transparent or opaque) or clocked (synchronous or edge-triggered). Although the term flip-flop has historically referred generically to both simple and clocked circuits, in modern usage it is common to reserve the term flip-flop exclusively for discussing clocked circuits; the simple ones are commonly called latches.Using this terminology, a latch is level-sensitive, whereas a flip-flop is edge-sensitive. That is, when a latch is enabled it becomes transparent, while a flip flop's output only changes on a single type (positive going or negative going) of clock edge.
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