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... form of the voltage supply. It is permissible to represent the distorting equipment as a source of harmonic current that are independent of the impedance of the supplying of the system. The effect of superposing a number of sources on a system can then be found by representing each of them by an equ ...
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... Refer to Figure 1 “Functional diagram of PCA9509P”. The PCA9509P enables I2C-bus or SMBus translation down to VCC(A) as low as 0.8 V without degradation of system performance. The PCA9509P contains 2 bidirectional open-drain buffers specifically designed to support up-translation/down-translation be ...
Full-Text PDF
Full-Text PDF

NTB0102 1. General description Dual supply translating transceiver; auto direction sensing;
NTB0102 1. General description Dual supply translating transceiver; auto direction sensing;

... The NTB0102 is a 2-bit, dual supply translating transceiver with auto direction sensing, that enables bidirectional voltage level translation. It features two 2-bit input-output ports (An and Bn), one output enable input (OE) and two supply pins (VCC(A) and VCC(B)). VCC(A) can be supplied at any vol ...
Microwave Amplifiers Design Peter Kijanga
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... provided at pin 10 (DEMOUT). In contrast to conventional techniques where the DEMOUT voltage is one threshold voltage lower than the VCO input voltage, here the DEMOUT voltage equals that of the VCO input. If DEMOUT is used, a load resistor (RS) should be connected from DEMOUT to GND; if unused, DEM ...
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practical design techniques for sensor signal conditioning

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... the main controller output in the LTC1436/LTC1437, and the controller 2 output (3.3V in Figure 2) in the LTC1438/ LTC1439. When out of regulation or in shutdown mode, the POR open drain output pulls low. At start-up, once the output voltage has reached 5% of its final value, an internal timer is sta ...
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Nonideality Consideration for High- Precision Amplifiers

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Series 93 User`s Manual
Series 93 User`s Manual

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Schmitt trigger



In electronics a Schmitt trigger is a comparator circuit with hysteresis implemented by applying positive feedback to the noninverting input of a comparator or differential amplifier. It is an active circuit which converts an analog input signal to a digital output signal. The circuit is named a ""trigger"" because the output retains its value until the input changes sufficiently to trigger a change. In the non-inverting configuration, when the input is higher than a chosen threshold, the output is high. When the input is below a different (lower) chosen threshold the output is low, and when the input is between the two levels the output retains its value. This dual threshold action is called hysteresis and implies that the Schmitt trigger possesses memory and can act as a bistable multivibrator (latch or flip-flop). There is a close relation between the two kinds of circuits: a Schmitt trigger can be converted into a latch and a latch can be converted into a Schmitt trigger.Schmitt trigger devices are typically used in signal conditioning applications to remove noise from signals used in digital circuits, particularly mechanical contact bounce. They are also used in closed loop negative feedback configurations to implement relaxation oscillators, used in function generators and switching power supplies.
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