13cm PSK transceiver for 1.2Mbit/s packet radio
... thick glassfiber-epoxy laminate FR4. The input resonator (L1) functions as an open circuit for the input frequency (590MHz) and as a short circuit for the output frequency (1180MHz) of the frequency doubler. In this way the operation of the doubler is less sensitive to the exact cable length and out ...
... thick glassfiber-epoxy laminate FR4. The input resonator (L1) functions as an open circuit for the input frequency (590MHz) and as a short circuit for the output frequency (1180MHz) of the frequency doubler. In this way the operation of the doubler is less sensitive to the exact cable length and out ...
Evaluates: MAX8655/MAX8688 MAX8655 Evaluation Kit General Description Features
... a fixed-frequency, pulse-width modulated (PWM) stepdown switching regulator. The MAX8655 EV kit provides a 1.2V output voltage from a 10.8V to 13.2V input source and delivers up to 20A output current. The MAX8655 IC features internal high-side and lowside power MOSFETs. A reference input is provided ...
... a fixed-frequency, pulse-width modulated (PWM) stepdown switching regulator. The MAX8655 EV kit provides a 1.2V output voltage from a 10.8V to 13.2V input source and delivers up to 20A output current. The MAX8655 IC features internal high-side and lowside power MOSFETs. A reference input is provided ...
MADR-009443-000100 Quad Driver for GaAs FET or PIN Diode Switches and Attenuators
... Description of Circuit The MADR-009443-000100 provides four pairs of complementary outputs that are each capable of driving a maximum of ± 35 mA into a load. In addition, with proper capacitor selection (C3 & C4) used in parallel with the current setting resistor (R1 & R2), additional spiking curren ...
... Description of Circuit The MADR-009443-000100 provides four pairs of complementary outputs that are each capable of driving a maximum of ± 35 mA into a load. In addition, with proper capacitor selection (C3 & C4) used in parallel with the current setting resistor (R1 & R2), additional spiking curren ...
5V and 3.3V Hot Swap Controller Reference Design
... The circuits and logic for the 3.3V and 5V supplies are similar and almost independent of each other so we will discuss the control in generic detail and mention the 3.3V or 5V specifics where it is appropriate. For this design the LogiBuilder source is distributed across the three different interfa ...
... The circuits and logic for the 3.3V and 5V supplies are similar and almost independent of each other so we will discuss the control in generic detail and mention the 3.3V or 5V specifics where it is appropriate. For this design the LogiBuilder source is distributed across the three different interfa ...
Module 2 Unit 6, 7, 8
... the values given for #10? .396 Ω per 1000’ 16. What would you estimate the CM of #6 wire to be, based on the values given for No.10? 26,157 CM 17. What happens to the resistance of wire as the gauge number gets larger? Resistance is higher 18. What factors help determine the material for a conductor ...
... the values given for #10? .396 Ω per 1000’ 16. What would you estimate the CM of #6 wire to be, based on the values given for No.10? 26,157 CM 17. What happens to the resistance of wire as the gauge number gets larger? Resistance is higher 18. What factors help determine the material for a conductor ...
Estimation of Partial Discharge Inception Voltage of Magnet Wires
... for sample A as a function of instantaneous voltage value. Figure 10 also shows the schematic illustration of V cr and S cr for different applied voltages. In each figure, V cr and S cr increase with the increase in the applied voltage. When an initial electron was generated in V cr or S cr during i ...
... for sample A as a function of instantaneous voltage value. Figure 10 also shows the schematic illustration of V cr and S cr for different applied voltages. In each figure, V cr and S cr increase with the increase in the applied voltage. When an initial electron was generated in V cr or S cr during i ...
S2 Topic 4 Making Use of Electricity
... In the previous two quizzes, students were asked to write down the concept terms as indicated by the pictures shown. The focus of the two quizzes is spelling of the terms. In this ELA, the focus shifts to verbal explanations. The teacher uses the same set of slides for revision but putting greater e ...
... In the previous two quizzes, students were asked to write down the concept terms as indicated by the pictures shown. The focus of the two quizzes is spelling of the terms. In this ELA, the focus shifts to verbal explanations. The teacher uses the same set of slides for revision but putting greater e ...
Homework #6 Solution Set
... 7. Compare and contrast an AM diode detector and a half-wave DC power supply. The primary similarity between these stages is the use of a diode as a half-wave rectifier. The primary difference between them is the length of the RC time constant in the circuit. A DC power supply has a long RC time con ...
... 7. Compare and contrast an AM diode detector and a half-wave DC power supply. The primary similarity between these stages is the use of a diode as a half-wave rectifier. The primary difference between them is the length of the RC time constant in the circuit. A DC power supply has a long RC time con ...
SP3491 数据资料DataSheet下载
... The SP3490 and the SP3491 are +3.3V low power full duplex transceivers that meet the specifications of the RS-485 and RS-422 serial protocols. These devices are pin-to-pin compatible with the Sipex SP490 and SP491 devices as well as popular industry standards. The SP3490 and the SP3491 feature Sipex ...
... The SP3490 and the SP3491 are +3.3V low power full duplex transceivers that meet the specifications of the RS-485 and RS-422 serial protocols. These devices are pin-to-pin compatible with the Sipex SP490 and SP491 devices as well as popular industry standards. The SP3490 and the SP3491 feature Sipex ...
![Progress in high-power high-efficiency VCSEL arrays [7229-2]](http://s1.studyres.com/store/data/001077930_1-118629e58b58754f476d49cf7b5dc6dc-300x300.png)
Module 2: Fundamentals of Electricity
... charge passing a point on a conductor in one second • This measurement is analogous to “gallons or liters per second” when measuring the flow of water ...
... charge passing a point on a conductor in one second • This measurement is analogous to “gallons or liters per second” when measuring the flow of water ...
ISL4489E, ISL4491E
... Twisted pair cables tend to pick up noise and other electromagnetically induced voltages as common mode signals, which are effectively rejected by the differential receivers in these ICs. RS-485/422 are intended for network lengths up to 4000’, but the maximum system data rate decreases as the trans ...
... Twisted pair cables tend to pick up noise and other electromagnetically induced voltages as common mode signals, which are effectively rejected by the differential receivers in these ICs. RS-485/422 are intended for network lengths up to 4000’, but the maximum system data rate decreases as the trans ...
Al-Balqa` Applied University Faculty of Engineering Technology
... Investigation of motor electro-mechanical and torque-speed regulated characteristics for star connection of stator windings by: 1- Adding Resistances in rotor circuit. 2- Varying stator voltage using autotransformer. Experiment procedures carrying out: 1- Investigation of motor electro-mechanical an ...
... Investigation of motor electro-mechanical and torque-speed regulated characteristics for star connection of stator windings by: 1- Adding Resistances in rotor circuit. 2- Varying stator voltage using autotransformer. Experiment procedures carrying out: 1- Investigation of motor electro-mechanical an ...
LTC5542 - 1.6GHz to 2.7GHz High Dynamic Range Downconverting Mixer.
... 1.6GHz to 2.7GHz RF applications. The LO frequency must fall within the 1.7GHz to 2.5GHz range for optimum performance. A typical application is a LTE or WiMAX receiver with a 2.3GHz to 2.7GHz RF input and low-side LO. The LTC5542 is designed for 3.3V operation, however; the IF amplifier can be power ...
... 1.6GHz to 2.7GHz RF applications. The LO frequency must fall within the 1.7GHz to 2.5GHz range for optimum performance. A typical application is a LTE or WiMAX receiver with a 2.3GHz to 2.7GHz RF input and low-side LO. The LTC5542 is designed for 3.3V operation, however; the IF amplifier can be power ...
Resistive opto-isolator
Resistive opto-isolator (RO), also called photoresistive opto-isolator, vactrol (after a genericized trademark introduced by Vactec, Inc. in the 1960s), analog opto-isolator or lamp-coupled photocell, is an optoelectronic device consisting of a source and detector of light, which are optically coupled and electrically isolated from each other. The light source is usually a light-emitting diode (LED), a miniature incandescent lamp, or sometimes a neon lamp, whereas the detector is a semiconductor-based photoresistor made of cadmium selenide (CdSe) or cadmium sulfide (CdS). The source and detector are coupled through a transparent glue or through the air.Electrically, RO is a resistance controlled by the current flowing through the light source. In the dark state, the resistance typically exceeds a few MOhm; when illuminated, it decreases as the inverse of the light intensity. In contrast to the photodiode and phototransistor, the photoresistor can operate in both the AC and DC circuits and have a voltage of several hundred volts across it. The harmonic distortions of the output current by the RO are typically within 0.1% at voltages below 0.5 V.RO is the first and the slowest opto-isolator: its switching time exceeds 1 ms, and for the lamp-based models can reach hundreds of milliseconds. Parasitic capacitance limits the frequency range of the photoresistor by ultrasonic frequencies. Cadmium-based photoresistors exhibit a ""memory effect"": their resistance depends on the illumination history; it also drifts during the illumination and stabilizes within hours, or even weeks for high-sensitivity models. Heating induces irreversible degradation of ROs, whereas cooling to below −25 °C dramatically increases the response time. Therefore, ROs were mostly replaced in the 1970s by the faster and more stable photodiodes and photoresistors. ROs are still used in some sound equipment, guitar amplifiers and analog synthesizers owing to their good electrical isolation, low signal distortion and ease of circuit design.