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An Ultra-Low-Power Pulse Oximeter Implemented with an Energy-Efficient Transimpedance Amplifier
... The idea behind the operation of pulse oximeters is that hemoglobin changes color from dark red to bright red when oxygenated and reduces its absorption of red light. Hence, if we shine red LED light at 660 nm through one side of a patient’s finger and measure the transmitted light on the other side ...
... The idea behind the operation of pulse oximeters is that hemoglobin changes color from dark red to bright red when oxygenated and reduces its absorption of red light. Hence, if we shine red LED light at 660 nm through one side of a patient’s finger and measure the transmitted light on the other side ...
MAX9934T Evaluation Kit Evaluates: General Description Features
... The MAX9934T EV kit demonstrates the MAX9934T lowvoltage, precision, current-sense amplifier in a tiny 1mm x 1.5mm, 3 x 2-bump UCSP package (U1) and an 8-pin FMAX package (U2). The EV kit can also be used to evaluate the MAX9934F current-sense amplifier. Contact the factory to obtain free samples. S ...
... The MAX9934T EV kit demonstrates the MAX9934T lowvoltage, precision, current-sense amplifier in a tiny 1mm x 1.5mm, 3 x 2-bump UCSP package (U1) and an 8-pin FMAX package (U2). The EV kit can also be used to evaluate the MAX9934F current-sense amplifier. Contact the factory to obtain free samples. S ...
LT1166 - Power Output Stage Automatic Bias
... internal op amps. The feedback of the op amps force the same voltage on the (–) inputs and these voltages then appear on the sense resistors in series with the power devices. The product of the two currents in the power devices is constant, as one increases the other decreases. The excellent logging ...
... internal op amps. The feedback of the op amps force the same voltage on the (–) inputs and these voltages then appear on the sense resistors in series with the power devices. The product of the two currents in the power devices is constant, as one increases the other decreases. The excellent logging ...
10-Bit, 210 MSPS TxDAC Digital-to-Analog Converter AD9740W
... Reference Input/Output. Serves as reference input when using external reference. Serves as 1.2 V reference output when using internal reference. Requires 0.1 μF capacitor to ACOM when using internal reference. Full-Scale Current Output Adjust. ...
... Reference Input/Output. Serves as reference input when using external reference. Serves as 1.2 V reference output when using internal reference. Requires 0.1 μF capacitor to ACOM when using internal reference. Full-Scale Current Output Adjust. ...
90W Resonant SMPS with TEA1610 SwingChip APPLICATION NOTE AN99011
... Soft start can also be done secondary with an additional circuit R11, R18, C22 and D16. A disadvantage of this circuit is that during the first switching stage the primary current can still be higher than the OCP level. With the TEA1610 this circuit is not necessary and via the soft start capacitor ...
... Soft start can also be done secondary with an additional circuit R11, R18, C22 and D16. A disadvantage of this circuit is that during the first switching stage the primary current can still be higher than the OCP level. With the TEA1610 this circuit is not necessary and via the soft start capacitor ...
MAX16928 Evaluation Kit Evaluates: MAX16928 General Description
... options to meet the most common automotive TFT-LCD display-power requirements, as outlined in the Ordering Information table in the MAX16928 IC data sheet. Note some components, such as the inductor value and compensation component values, may need to change when evaluating other versions of the IC. ...
... options to meet the most common automotive TFT-LCD display-power requirements, as outlined in the Ordering Information table in the MAX16928 IC data sheet. Note some components, such as the inductor value and compensation component values, may need to change when evaluating other versions of the IC. ...
Low power analog or RF amplifier
... decrease power dissipation with increasing amplifier transconductance for the LNA. In my project, for nearly the same power gain, by decreasing gates bias we get 41.5% power reduction ...
... decrease power dissipation with increasing amplifier transconductance for the LNA. In my project, for nearly the same power gain, by decreasing gates bias we get 41.5% power reduction ...
AN43 - Bridge Circuits
... responses to pressure variations. In cases where noise is relatively high it may be desirable to filter ahead of A3. This prevents any possible signal infidelity due to nonlinear A3 operation. Such undesirable outputs can be produced by saturation, slew rate components, or rectification effects. Whe ...
... responses to pressure variations. In cases where noise is relatively high it may be desirable to filter ahead of A3. This prevents any possible signal infidelity due to nonlinear A3 operation. Such undesirable outputs can be produced by saturation, slew rate components, or rectification effects. Whe ...
EE 321 Analog Electronics, Fall 2011 Homework #7 solution
... and RC = 1 kΩ, find VCE and the voltage gain at the following dc collector bias current: 1 mA, 2 mA, 5 mA, 8 mA, and 9 mA. For each, give maximum possible positive- and negative-output signal swing as determined by the need to keep the transistor in the active region. Present your result in a table. ...
... and RC = 1 kΩ, find VCE and the voltage gain at the following dc collector bias current: 1 mA, 2 mA, 5 mA, 8 mA, and 9 mA. For each, give maximum possible positive- and negative-output signal swing as determined by the need to keep the transistor in the active region. Present your result in a table. ...
J.M. Rivas, Y. Han, O. Leitermann, A.D. Sagneri, and D.J. Perreault, A High-Frequency Resonant Inverter Topology with Low Voltage Stress,” IEEE Transactions on Power Electronics , Vol. 23, No. 4, pp. 1759-1771, July 2008.
... In the class E inverter, is the inverter output power, is the input voltage, is the switching frequency, and is the net capacitance in parallel for with the switch. Likewise, the second harmonic class E inverter. This implies that at high operating frequencies these topologies are bounded to a minim ...
... In the class E inverter, is the inverter output power, is the input voltage, is the switching frequency, and is the net capacitance in parallel for with the switch. Likewise, the second harmonic class E inverter. This implies that at high operating frequencies these topologies are bounded to a minim ...
Slew Rate of Op Amp
... To determine the maximum frequency before op amp slews, first determine the maximum swing the op amp can have and divide the slew rate by it. CH8 Operational Amplifier as A Black Box ...
... To determine the maximum frequency before op amp slews, first determine the maximum swing the op amp can have and divide the slew rate by it. CH8 Operational Amplifier as A Black Box ...
low harmonic drive packages engineered for you.
... exclusive roll-out design for ease of installation and servicing helping to reduce installation costs and time. The Allen-Bradley CENTERLINE® Motor Control Center (MCC) 1 8 - Pulse drive package uses a standard Allen-Br a d l e y® 1336 P LUS II design with the front end replaced by a separate 18-Pul ...
... exclusive roll-out design for ease of installation and servicing helping to reduce installation costs and time. The Allen-Bradley CENTERLINE® Motor Control Center (MCC) 1 8 - Pulse drive package uses a standard Allen-Br a d l e y® 1336 P LUS II design with the front end replaced by a separate 18-Pul ...
Low Power CMOS Rectifier Design for RFID Applications
... input voltage amplitudes are low. An impedance transformation that increases the impedance (and thus the RF voltage amplitude) at the rectifier input terminals is thus desirable. Networks of passive reactances can transform impedances, but over a limited range of frequencies. We want to maximize thi ...
... input voltage amplitudes are low. An impedance transformation that increases the impedance (and thus the RF voltage amplitude) at the rectifier input terminals is thus desirable. Networks of passive reactances can transform impedances, but over a limited range of frequencies. We want to maximize thi ...
Application Note
... by material properties of the molding compound and lensing material, as well as the package size. These properties allow for minimum isolation voltages of 2500 VAC and up to 5000 VAC in many cases. As semiconductor technology has developed smaller and smaller components, the overall package size of ...
... by material properties of the molding compound and lensing material, as well as the package size. These properties allow for minimum isolation voltages of 2500 VAC and up to 5000 VAC in many cases. As semiconductor technology has developed smaller and smaller components, the overall package size of ...
36-V Single-Supply Low-Power Operational Amplifiers for Cost
... 4 Description (continued) Unlike most op amps, which are specified at only one supply voltage, the TLVx171-Q1 family of devices is specified from 4.5 V to 36 V. Input signals beyond the supply rails do not cause phase reversal. The TLVx171-Q1 family of devices is stable with capacitive loads up to 3 ...
... 4 Description (continued) Unlike most op amps, which are specified at only one supply voltage, the TLVx171-Q1 family of devices is specified from 4.5 V to 36 V. Input signals beyond the supply rails do not cause phase reversal. The TLVx171-Q1 family of devices is stable with capacitive loads up to 3 ...
LC081
... not normally allowed for S-R latch. Now we will draw a logic diagram of S-R latch. We can see that S-R latch is made from two cross-coupled NOR gates. It is basic S-R latch, or S-R NOR latch, or basic NOR latch. The ...
... not normally allowed for S-R latch. Now we will draw a logic diagram of S-R latch. We can see that S-R latch is made from two cross-coupled NOR gates. It is basic S-R latch, or S-R NOR latch, or basic NOR latch. The ...
LT5519 - 0.7GHz to 1.4GHz High Linearity
... broadband 50Ω match with return loss better than 10dB at frequencies up to 1800MHz. The RF output band ranges from 700MHz to 1400MHz, with an internal RF transformer providing a 50Ω impedance match across the band. Low side or high side LO injection can be used. IF Input Port The IF inputs are conne ...
... broadband 50Ω match with return loss better than 10dB at frequencies up to 1800MHz. The RF output band ranges from 700MHz to 1400MHz, with an internal RF transformer providing a 50Ω impedance match across the band. Low side or high side LO injection can be used. IF Input Port The IF inputs are conne ...
PDF Obsolete Data Sheets
... The circuit board used in the final application should use RF circuit design techniques. Signal lines should have 50 ohm impedance while the package ground leads and package bottom should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used ...
... The circuit board used in the final application should use RF circuit design techniques. Signal lines should have 50 ohm impedance while the package ground leads and package bottom should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used ...
c-14-dbme-1st-year
... State Coulomb’s laws of magnetism. Define the terms Absolute and Relative Permeability of medium. Explain the concept of Lines of force & Magnetic Field. Define field Intensity, Magnetic potential, Flux , Flux density . Explain the concept of Electromagnetic effect Draw and explain the field pattern ...
... State Coulomb’s laws of magnetism. Define the terms Absolute and Relative Permeability of medium. Explain the concept of Lines of force & Magnetic Field. Define field Intensity, Magnetic potential, Flux , Flux density . Explain the concept of Electromagnetic effect Draw and explain the field pattern ...
A New Definition of Characteristic Impedance
... evaluating lines of two different lengths (e.g., 1 and 2/). A necessary condition for a unique result is that the port discontinuity tance (2), as illustrated ...
... evaluating lines of two different lengths (e.g., 1 and 2/). A necessary condition for a unique result is that the port discontinuity tance (2), as illustrated ...
Tube sound
![](https://commons.wikimedia.org/wiki/Special:FilePath/Tubes.jpg?width=300)
Tube sound (or valve sound) is the characteristic sound associated with a vacuum tube-based audio amplifier. After introduction of solid state amplifiers, tube sound appeared as the logical complement of transistor sound, which had some negative connotations due to crossover distortion of early transistor amplifiers. The audible significance of tube amplification on audio signals is a subject of continuing debate among audio enthusiasts.Many electric guitar, electric bass, and keyboard players in several genres also prefer the sound of tube instrument amplifiers or preamplifiers.