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VertX
VertX

... NOTES: 1 Not available in 175, 200, 320, 350 and 450W. 2 Approved lamp containment barrier required when enclosed rated MP/ML/MH lamps are used. 2005 NEC code requires that open luminaires must utilize a safety glass bottom (SGB) accessory or an open rated socket (OR) and lamp. 3 200, 250, 320, 350, ...
HMC807LP6CE
HMC807LP6CE

PCM3500 数据资料 dataSheet 下载
PCM3500 数据资料 dataSheet 下载

... digital filters and delta-sigma data converters. ...
The ALABUF chip.
The ALABUF chip.

... (Class-AB operation) [5]. On the other hand Class-AB operation has a few drawbacks. First, schematic solution of the Class-AB biasing is a subject to design. But the most significant is that the frequency compensation becomes very tricky to conduct. As long as current through output transistors and ...
MAX3646 155Mbps to 622Mbps SFF/SFP Laser Driver with Extinction Ratio Control General Description
MAX3646 155Mbps to 622Mbps SFF/SFP Laser Driver with Extinction Ratio Control General Description

... Noninverted Modulation-Current Output. I MOD flows into this pin when input data is high. Monitor Photodiode Input. Connect this pin to the anode of a monitor photodiode. A capacitor to ground is required to filter the high-speed AC monitor photocurrent. ...
MAX44205 180MHz, Low-Noise, Low-Distortion, Fully Differential
MAX44205 180MHz, Low-Noise, Low-Distortion, Fully Differential

... The MAX44205 is a low-noise, low-distortion fully differential operational amplifier suitable for driving high-speed, high-resolution, 20-/18-/16-bit SAR ADCs, including the MAX11905 ADC family. Featuring a combination of wide 2.7V to 13.2V supply voltage range and wide 400MHz bandwidth, the MAX4420 ...
VS1000 on the IVC 800
VS1000 on the IVC 800

... 5) When the head comes up to speed, press play and check that everything runs normally . Switch the VS-1000 Monitor switch to Display (this puts house sync on the tape playbackvideo) . The monitor should show the V-sync as a horizontal line drifting slowly up or down and the H-sync as diagonal lines ...
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NERC Synchronizing Islands

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MAX9985EVKIT.pdf

... As the differential IF outputs are relatively high impedance (200Ω), they are more susceptible to component parasitics. It is often good practice to minimize the ground plane directly underneath large components to reduce associated shunt-C parasitics. ...
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4.3 Resistance in Electrical System
4.3 Resistance in Electrical System

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Crate PSU Stress Analysis
Crate PSU Stress Analysis

... by the GSFC SAM is based on, where possible, to group devices as described below, and apply a maximum stress to the weakest part. If this worst case scenario passed the derating criteria then the whole group would pass. Additional details for this approach as used for each of the part types is provi ...
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... circuit is grounded (V = 0). What are the (a) size and (b) direction (up or down) of the current through resistance 1, the (c) size and (d) direction (left or right) of the current through resistance 2, and the (e) size and (f) direction of the current through resistance 3? (g) What is the electric ...
lightning arrestor
lightning arrestor

... a) Arrestors of rating 120 KV and above shall be complete with insulating base for connection to surge counter having provision for bolting to flat surface of structure. Arrestor rating of 42 KV shall be directly mounted on structure as there is no surge counter. b) For arrestors of rating 120 KV an ...
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... The SGC factory test procedures as well as the test procedures detailed in the ARRL Handbook chapter 26 can be used to fully measure the performance of the radio. The following are simple tests which do not require laboratory test equipment and can be used to determine if the unit is generally opera ...
G225-60-1
G225-60-1

... 4.1. The BIL rating of the bushings shall be compatible with the BIL of the regulator. Three bushings will be provided, and the SL bushing shall be externally grounded for grounded Wye systems. The bushing designations (S, L, and SL) shall be permanently marked on the regulator adjacent to the bushi ...
MAX3238E/MAX3248E +3.0V to +5.5V, 10nA, 250kbps RS-232 Transceivers General Description
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... with popular software for communicating with personal computers. The MAX3238E and the MAX3248E differ only in their input logic thresholds. The MAX3238E has standard logic thresholds, while the MAX3248E has low-level logic thresholds of 0.6V to 1.2V, which are ideal for 1.8V systems. The transmitter ...
Clear-Com RS-600 Series Datasheet
Clear-Com RS-600 Series Datasheet

... The RS-600 Series beltpacks offer the best sounding party-line in the business. Exclusive audio shaping, powerful, high-headroom headphone amps, noiseless switching and built-in mic limiters are key parts of the package. The RS-600 Series are designed to serve the needs of all users, whether first t ...
pdf manual - Acoustic Dimension
pdf manual - Acoustic Dimension

... If the DAC Chip has a so-called “voltage” output you can keep the original solid state analogue stage connected and run it and the Universal Tube Output Stage in parallel. If the DAC Chip has a so-called “current” output you must disconnect the original solid state analogue stage from the DAC. This ...
Pad-Mounted Single-Phase 32-Step Voltage Regulator with
Pad-Mounted Single-Phase 32-Step Voltage Regulator with

PART B UNIT I (i). State and prove Demorgan`s law (6) (EI May 2007
PART B UNIT I (i). State and prove Demorgan`s law (6) (EI May 2007

... 16. Design a 4 bit up/down ripple counter with a control for up/down counting. (EIMay/June 2013) 17. (i) Draw and explain the working of 4 bit up/down synchronous counter.(12) (ii).Give the excitation table for T flip flop (4) (EI Nov/Dec 2013) 18. (i)Design a synchronous counter with states 0,1,2,3 ...
A 4 GHz 60 dB Variable Gain Amplifier With Tunable DC Offset
A 4 GHz 60 dB Variable Gain Amplifier With Tunable DC Offset

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Switched-mode power supply



A switched-mode power supply (switching-mode power supply, switch-mode power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a source, like mains power, to a load, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power. Voltage regulation is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply. Switched-mode power supplies may also be substantially smaller and lighter than a linear supply due to the smaller transformer size and weight.Switching regulators are used as replacements for linear regulators when higher efficiency, smaller size or lighter weight are required. They are, however, more complicated; their switching currents can cause electrical noise problems if not carefully suppressed, and simple designs may have a poor power factor.
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