STEVAL-ISA005V1
... Input capacitor C1 is charged from line via a one way rectifier consisting of diodes D1 and D2. Two diodes in series are used for EMI reasons to sustain burst pulses of 2kV. Capacitor C1 together with capacitor C2 and inductor L1 forms an EMI filter. The DC voltage at C2 is then applied to the VIPer ...
... Input capacitor C1 is charged from line via a one way rectifier consisting of diodes D1 and D2. Two diodes in series are used for EMI reasons to sustain burst pulses of 2kV. Capacitor C1 together with capacitor C2 and inductor L1 forms an EMI filter. The DC voltage at C2 is then applied to the VIPer ...
The primary current, , in a conductor through a magnetic core will
... can be estimated by equating the power dissipated in with the power dissipated in the Burden Resistor . This shows that the equivalent insertion impedance is the Burden Resistance ⁄ . Not only does the Current Transducer provide electrical isolation and current division but also a dramatic r ...
... can be estimated by equating the power dissipated in with the power dissipated in the Burden Resistor . This shows that the equivalent insertion impedance is the Burden Resistance ⁄ . Not only does the Current Transducer provide electrical isolation and current division but also a dramatic r ...
PLANT WILT SENSOR ESK 4 –B
... Principle: LDR or Light Dependent Resistor is a specialized type of resistor made up of Cadmium Sulphide. Its resistance depends on the intensity of light falling on it. In dark, its resistance will be very high about 10 Meg ohms. When light falls on LDR its resistance reduces to a few ohms. Thus th ...
... Principle: LDR or Light Dependent Resistor is a specialized type of resistor made up of Cadmium Sulphide. Its resistance depends on the intensity of light falling on it. In dark, its resistance will be very high about 10 Meg ohms. When light falls on LDR its resistance reduces to a few ohms. Thus th ...
Solutions - RF and microwave circuits
... (b) If the resistors have 1% precision, then any resistor Ri can have a resistance as high as 1.01Ri or as low as 0.99Ri . Let’s assume that each resistor takes on a value R = Rnom (1 + ∆) where Rnom is the nominal value, and |∆| < 0.01 is the tolerance (positive or negative). Now re-write the expre ...
... (b) If the resistors have 1% precision, then any resistor Ri can have a resistance as high as 1.01Ri or as low as 0.99Ri . Let’s assume that each resistor takes on a value R = Rnom (1 + ∆) where Rnom is the nominal value, and |∆| < 0.01 is the tolerance (positive or negative). Now re-write the expre ...
Relay Driver
... The current needed to operate the relay coil is more than can be supplied by most chips (op. amps etc), so a transistor is usually needed, as shown in the diagram below. ...
... The current needed to operate the relay coil is more than can be supplied by most chips (op. amps etc), so a transistor is usually needed, as shown in the diagram below. ...
Evaluation Kit for the MAX687, MAX688, MAX689
... The MAX688 evaluation kit (EV kit) provides a regulated 3.3V output voltage while operating on input voltages from 3.5V to 11V. It delivers a 0.5A output current from a 3.5V to 5.75V input, with less than 200mV dropout. Operation with higher input voltages (up to 11V) is possible as long as the maxi ...
... The MAX688 evaluation kit (EV kit) provides a regulated 3.3V output voltage while operating on input voltages from 3.5V to 11V. It delivers a 0.5A output current from a 3.5V to 5.75V input, with less than 200mV dropout. Operation with higher input voltages (up to 11V) is possible as long as the maxi ...
II. Transistor and Transistor Application
... (approximately 100 times larger) current flowing into the collector. Note the result of property 2: the base is more positive than the emitter because of the forward diode drop, which is equal to about 0.6-0.8 V. An operating transistor has VB=VE+VBE, VBE=0.6-0.8. When pnp transistor is considered, ...
... (approximately 100 times larger) current flowing into the collector. Note the result of property 2: the base is more positive than the emitter because of the forward diode drop, which is equal to about 0.6-0.8 V. An operating transistor has VB=VE+VBE, VBE=0.6-0.8. When pnp transistor is considered, ...
2N3904
... NOTES: 1) These ratings are based on a maximum junction temperature of 150 degrees C. 2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations. ...
... NOTES: 1) These ratings are based on a maximum junction temperature of 150 degrees C. 2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations. ...
Basic Circuit Ideas
... Resistors are used in circuits to control or regulate the amount of current Many simple electrical devices are simple resistors, examples include hot glue guns, waffle irons, clothes irons, toasters. In these examples resistors heat up as they absorb energy provided by the moving charges. ...
... Resistors are used in circuits to control or regulate the amount of current Many simple electrical devices are simple resistors, examples include hot glue guns, waffle irons, clothes irons, toasters. In these examples resistors heat up as they absorb energy provided by the moving charges. ...
Document
... – Narrow channel between 2 terminals is controlled by a voltage on a 3rd terminal. Transistor controlled to operate as a switch or a variable resistor Key element in the design of amplifier ...
... – Narrow channel between 2 terminals is controlled by a voltage on a 3rd terminal. Transistor controlled to operate as a switch or a variable resistor Key element in the design of amplifier ...
Rectifier filter capacitors
... Care is taken to determine that 'Engineering Notes' do not refer to any copyrighted or patented circuit or technique, but ISCE can accept no responsibility in this connection. Users of the information in an 'Engineering Note' must satisfy themselves that they do not infringe any Intellectual Propert ...
... Care is taken to determine that 'Engineering Notes' do not refer to any copyrighted or patented circuit or technique, but ISCE can accept no responsibility in this connection. Users of the information in an 'Engineering Note' must satisfy themselves that they do not infringe any Intellectual Propert ...
BCR405U
... The BCR405U is a cost efficient LED driver to drive low power LED’s. The advantages towards resistor biasing are: • homogenous light output despite varying forward voltages in different LED strings • homogenous light output of LED’s despite voltage drop across long supply lines • homogenous light ou ...
... The BCR405U is a cost efficient LED driver to drive low power LED’s. The advantages towards resistor biasing are: • homogenous light output despite varying forward voltages in different LED strings • homogenous light output of LED’s despite voltage drop across long supply lines • homogenous light ou ...
Datasheet - CREATIVE CHIPS GmbH
... The CCA4100 is an insensitive and easy to use IC to flash Light Emitting Diodes (LEDs). For operating it only needs an external capacitor and a standard 1.5V battery cell. The circuite is self starting and includes internal timing resistors and a resistor to limit LED current. The device is optimise ...
... The CCA4100 is an insensitive and easy to use IC to flash Light Emitting Diodes (LEDs). For operating it only needs an external capacitor and a standard 1.5V battery cell. The circuite is self starting and includes internal timing resistors and a resistor to limit LED current. The device is optimise ...
Measuring e/k
... 3. hFE (or β) of a transistor: (http://www.learningaboutelectronics.com/Articles/What-is-hfe-of-a-transistor) hFE of a transistor is the current gain or amplification factor of a transistor. hFE (which is also referred to as β) is the factor by which the base current is amplified. A transistor works ...
... 3. hFE (or β) of a transistor: (http://www.learningaboutelectronics.com/Articles/What-is-hfe-of-a-transistor) hFE of a transistor is the current gain or amplification factor of a transistor. hFE (which is also referred to as β) is the factor by which the base current is amplified. A transistor works ...
This quiz will cover ONLY Section 2
... Electrical potential: potential energy per unit of electric charge. Potential difference: difference in electrical potential between two places. Provides the force that pushes charge through a circuit. SAME as voltage Electric Current: flow of electrons through a material Voltage: causes current to ...
... Electrical potential: potential energy per unit of electric charge. Potential difference: difference in electrical potential between two places. Provides the force that pushes charge through a circuit. SAME as voltage Electric Current: flow of electrons through a material Voltage: causes current to ...
AP_Physics_C_-_ohmslaw_Lab_II
... Date_____________________PER____ AP Physics C – Ohm’s Law Purpose: To calculate the resistance of 2 resistors, and see if, when connected in series, they act as a single resistor equal to the sum of the two. Materials: Power supply, DMM ( Digital Multimeter), ANALOG ammeter, alligator clip wires, Pa ...
... Date_____________________PER____ AP Physics C – Ohm’s Law Purpose: To calculate the resistance of 2 resistors, and see if, when connected in series, they act as a single resistor equal to the sum of the two. Materials: Power supply, DMM ( Digital Multimeter), ANALOG ammeter, alligator clip wires, Pa ...
Digital Multimeter Vocabulary
... Alternating Current – An electrical current that moves in one direction and then the other. Ammeter – Instrument used to measure the flow of electric current in a circuit in amperes; normally connected in series in a circuit. Amperes – The unit of measurement for the flow of electric current. Comple ...
... Alternating Current – An electrical current that moves in one direction and then the other. Ammeter – Instrument used to measure the flow of electric current in a circuit in amperes; normally connected in series in a circuit. Amperes – The unit of measurement for the flow of electric current. Comple ...