Physics 270, Assignment 4
... We are given that the switch in the …gure has been open for a long time, but it is closed at t = 0. We want the current through the 20 resistor. Initially, when the switch is just closed dI dt through the inductor is very big. As such, all the current ‡ows through the path of least resistance: throu ...
... We are given that the switch in the …gure has been open for a long time, but it is closed at t = 0. We want the current through the 20 resistor. Initially, when the switch is just closed dI dt through the inductor is very big. As such, all the current ‡ows through the path of least resistance: throu ...
AD8509 数据手册DataSheet 下载
... that are used to select between two different reference voltages set up by an external resistor ladder. Input bias currents are orders of magnitude less than competitive parts. This allows very large resistor ladders to be used to save supply current. A guaranteed value of 50 nA is much higher than ...
... that are used to select between two different reference voltages set up by an external resistor ladder. Input bias currents are orders of magnitude less than competitive parts. This allows very large resistor ladders to be used to save supply current. A guaranteed value of 50 nA is much higher than ...
EE 220 Circuits I
... 2) Next, experimentally determine the Thevenin and Norton equivalent circuits for the circuit shown in Figure 1. Remember the current source must be checked and re-set whenever the circuit is changed (e.g., RL is removed or changed). a) Remove RL, then measure and record the open circuit voltage Voc ...
... 2) Next, experimentally determine the Thevenin and Norton equivalent circuits for the circuit shown in Figure 1. Remember the current source must be checked and re-set whenever the circuit is changed (e.g., RL is removed or changed). a) Remove RL, then measure and record the open circuit voltage Voc ...
Inductors and AC
... This means VSUPPLY is 13.74 Volts and is 43.29 ahead of ITOTAL or that ITOTAL lags VSUPPLY by 43.29 . A quick double check using Ohm’s law: VSUPPLY = ITOTAL * Z ...
... This means VSUPPLY is 13.74 Volts and is 43.29 ahead of ITOTAL or that ITOTAL lags VSUPPLY by 43.29 . A quick double check using Ohm’s law: VSUPPLY = ITOTAL * Z ...
DIGITAL ELECTRONICS: LOGIC AND CLOCKS
... has a fixed 5 V output that you should use to power digital circuits. The logic chips will burn out at around 6 V. If the supply voltage drops when you connect to the circuit, do not increase V. b. Input logical values can be set by connecting wires from the gate inputs to either 0 V (logical 0 ...
... has a fixed 5 V output that you should use to power digital circuits. The logic chips will burn out at around 6 V. If the supply voltage drops when you connect to the circuit, do not increase V. b. Input logical values can be set by connecting wires from the gate inputs to either 0 V (logical 0 ...
PA1DSP - Why NOT to use the NE602
... The input network has the following frequency characteristic (strange how it peaks at 6.4 MHz, which is not the 40m band!): ...
... The input network has the following frequency characteristic (strange how it peaks at 6.4 MHz, which is not the 40m band!): ...
Electrical circuits wyklad 3
... open connection points where the load resistor used to be. To calculate the equivalent series resistance (Thevenin’s resistance RT ) we need to calculate the resistance of the circuit from the nodes where we calculate the Thevenin’s voltage. If the circuit contain only independent sources to do it w ...
... open connection points where the load resistor used to be. To calculate the equivalent series resistance (Thevenin’s resistance RT ) we need to calculate the resistance of the circuit from the nodes where we calculate the Thevenin’s voltage. If the circuit contain only independent sources to do it w ...
Oscillators
... will grow in proportion to IC. So, you need to choose VCC and the base bias voltage to avoid voltage limiting due to forward biasing of the base-collector junction. In the example shown here, IC = 0.5 mA. The base voltage source = VCC/2. Since the base current in the device is quite low, about 10 uA ...
... will grow in proportion to IC. So, you need to choose VCC and the base bias voltage to avoid voltage limiting due to forward biasing of the base-collector junction. In the example shown here, IC = 0.5 mA. The base voltage source = VCC/2. Since the base current in the device is quite low, about 10 uA ...
LM1084 5A Low Dropout Positive Regulators
... performance is obtained with the positive side of the resistor R1 tied directly to the output terminal of the regulator rather than near the load. This eliminates line drops from appearing effectively in series with the reference and degrading regulation. For example, a 5V regulator with 0.05Ω resis ...
... performance is obtained with the positive side of the resistor R1 tied directly to the output terminal of the regulator rather than near the load. This eliminates line drops from appearing effectively in series with the reference and degrading regulation. For example, a 5V regulator with 0.05Ω resis ...
Breadboards and Circuits
... Polarity indicates whether a circuit component is symmetric or not. • A non-polarized component – a part without polarity – can be connected in any direction and still function the way it’s supposed to function. • A polarized component – a part with polarity – can only be connected to a circuit in o ...
... Polarity indicates whether a circuit component is symmetric or not. • A non-polarized component – a part without polarity – can be connected in any direction and still function the way it’s supposed to function. • A polarized component – a part with polarity – can only be connected to a circuit in o ...
AD5441: 英文产品数据手册下载
... The output resistance of the AD5441, as in the case of the output capacitance, varies with the digital input code. This resistance, looking back into the IOUT terminal, may be between 10 kΩ (the feedback resistor alone when all digital inputs are low) and 7.5 kΩ (the feedback resistor in parallel wi ...
... The output resistance of the AD5441, as in the case of the output capacitance, varies with the digital input code. This resistance, looking back into the IOUT terminal, may be between 10 kΩ (the feedback resistor alone when all digital inputs are low) and 7.5 kΩ (the feedback resistor in parallel wi ...
12V or Adjustable, High-Efficiency, Low I , Step-Up DC-DC Controller Q
... loads), while using less than 110µA of supply current (vs. 2mA to 10mA for PWM converters). This controller uses miniature external components. Its high switching frequency (up to 300kHz) allows surface-mount magnetics of 5mm height and 9mm diameter. It accepts input voltages from 2V to 16.5V. The o ...
... loads), while using less than 110µA of supply current (vs. 2mA to 10mA for PWM converters). This controller uses miniature external components. Its high switching frequency (up to 300kHz) allows surface-mount magnetics of 5mm height and 9mm diameter. It accepts input voltages from 2V to 16.5V. The o ...
Electronics 2 Course Content
... Produce accurate, clean soldered connections between wires, connectors and on printed circuit boards. Identify common electronic components both physically and by their schematic symbol. Demonstrate common procedures to build and repair electronic circuits Identify series circuits and solve ...
... Produce accurate, clean soldered connections between wires, connectors and on printed circuit boards. Identify common electronic components both physically and by their schematic symbol. Demonstrate common procedures to build and repair electronic circuits Identify series circuits and solve ...
ANALOG INTEGRATED CIRCUITS DESIGN BY MEANS OF GENETIC ALGORITHMS
... next generations will have better or at least equal solutions in evaluation than past ones. Next in the flowchart, there is the selection process. This process will select pairs of individuals that will be used for the reproduction process. Individuals are selected using the roulette method. In roul ...
... next generations will have better or at least equal solutions in evaluation than past ones. Next in the flowchart, there is the selection process. This process will select pairs of individuals that will be used for the reproduction process. Individuals are selected using the roulette method. In roul ...
Objectives PHY 252 Spring 2009 Practical Lab #1 Ohm’s Law
... One important question is whether your results agree with what is expected. Let’s denote the result by r and the expected value by e. The ideal situation would be r = e or r - e = 0. We often use Δ (pronounced “Delta”) to denote the difference between two quantities: Δ =r-e ...
... One important question is whether your results agree with what is expected. Let’s denote the result by r and the expected value by e. The ideal situation would be r = e or r - e = 0. We often use Δ (pronounced “Delta”) to denote the difference between two quantities: Δ =r-e ...
LM1084 5A Low Dropout Positive Regulators
... Note 2: Power dissipation is kept in a safe range by current limiting circuitry. Refer to Overload Recovery in Application Notes. Note 3: The maximum power dissipation is a function of TJ(max) , θJA, and TA. The maximum allowable power dissipation at any ambient temperature is PD = (TJ(max)–T A)/θJA ...
... Note 2: Power dissipation is kept in a safe range by current limiting circuitry. Refer to Overload Recovery in Application Notes. Note 3: The maximum power dissipation is a function of TJ(max) , θJA, and TA. The maximum allowable power dissipation at any ambient temperature is PD = (TJ(max)–T A)/θJA ...
RC SNUBBERS (SMPS) - Illinois Capacitor
... RC SNUBBERS (SMPS) Snubbers are energy-absorbing circuits used to suppress the voltage spikes caused by the circuit's inductance when a switch, electrical or mechanical, opens. The most common snubber circuit is a capacitor and resistor connected in series across the switch (transistor). ...
... RC SNUBBERS (SMPS) Snubbers are energy-absorbing circuits used to suppress the voltage spikes caused by the circuit's inductance when a switch, electrical or mechanical, opens. The most common snubber circuit is a capacitor and resistor connected in series across the switch (transistor). ...
Operational amplifier
An operational amplifier (""op-amp"") is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output. In this configuration, an op-amp produces an output potential (relative to circuit ground) that is typically hundreds of thousands of times larger than the potential difference between its input terminals.Operational amplifiers had their origins in analog computers, where they were used to do mathematical operations in many linear, non-linear and frequency-dependent circuits. The popularity of the op-amp as a building block in analog circuits is due to its versatility. Due to negative feedback, the characteristics of an op-amp circuit, its gain, input and output impedance, bandwidth etc. are determined by external components and have little dependence on temperature coefficients or manufacturing variations in the op-amp itself.Op-amps are among the most widely used electronic devices today, being used in a vast array of consumer, industrial, and scientific devices. Many standard IC op-amps cost only a few cents in moderate production volume; however some integrated or hybrid operational amplifiers with special performance specifications may cost over $100 US in small quantities. Op-amps may be packaged as components, or used as elements of more complex integrated circuits.The op-amp is one type of differential amplifier. Other types of differential amplifier include the fully differential amplifier (similar to the op-amp, but with two outputs), the instrumentation amplifier (usually built from three op-amps), the isolation amplifier (similar to the instrumentation amplifier, but with tolerance to common-mode voltages that would destroy an ordinary op-amp), and negative feedback amplifier (usually built from one or more op-amps and a resistive feedback network).