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ZLNB2016
ZLNB2016

... control is given over the gain of the amplifier and the lower frequency limit of the filter, using an external resistor and capacitor. (The ESD protection resistor noted above can be used to set amplifier gain, hence requiring only one component for both functions.) The higher frequency limit of the ...
Microwave Engineering - Universiti Sains Malaysia
Microwave Engineering - Universiti Sains Malaysia

... 2. Maximize reactive energy by means of a high RF voltage across the resonator. Use a low LC ratio. 3. Avoid device saturation and try to use anti parallel (back to back) tuning diodes. 4. Choose your active device with the lowest NF (noise figure). 5. Choose a device with low flicker noise, this ca ...
1. Introduction
1. Introduction

... responsibility to verify that the two referenced specifications are technically equivalent. If they are not technically equivalent, then a qualification must be made in the [recloser] standard. Three test laboratories are represented on the WG/MT. They were asked to review this procedure for accepta ...
DRV135 数据资料 dataSheet 下载
DRV135 数据资料 dataSheet 下载

... A driver/receiver balanced-pair (such as the DRV134 and INA137) rejects the voltage differences between the grounds at each end of the cable, which can be caused by ground currents, supply variations, etc. In addition to proper bypassing, the suggestions below should be followed to achieve optimal O ...
Chapter 19
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... – high doping levels produce a very thin depletion layer which permits ‘tunnelling’ of charge carriers – results in a characteristic with a negative resistance region – used in high-frequency oscillators, where they can be used to ‘cancel out’ resistance in passive components Storey: Electrical & El ...
Dual Line Receivers (Rev. D)
Dual Line Receivers (Rev. D)

MAX3311E/MAX3313E ±15kV ESD-Protected, 460kbps, 1µA, RS-232-Compatible Transceivers in µMAX General Description
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... value of C2 and CBYPASS to maintain the proper ratios (C1 to the other capacitors). When using the minimum 0.1µF capacitors, make sure the capacitance does not degrade excessively with temperature. If in doubt, use capacitors with a larger nominal value. The capacitor’s equivalent series resistance ...
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MOLEX INC. (08-52-0113) 156 KK TERM TRIFURCON LSE TFT

... This Product Specification covers the 3.96 mm (.156 inch) centerline (pitch) 1.14mm (.045) square pin headers when mated with either printed circuit board (PCB) connectors or connectors terminated with 18 to 26 AWG wire using crimp technology. ...
High voltage pulse generators and spark gap for gaseous discharge
High voltage pulse generators and spark gap for gaseous discharge

... Diode CR5 provides a path for the charging current of C3 to t10wto ground; R6 limits the current through CR5. Ll prevents current overshoots from t10wingthrough QI, which can damage it. This inductor also appears in series with the pulse output transformer upon triggering, which reduces the output o ...
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FEATURES

... must be pulled down to below 0.7V (a 5k resistor from adapter output to GND is required), otherwise the reversebattery current will be approximately 200A instead of 10A. Do not leave the UV pin floating. If it is connected ...
AN149 Modeling and Loop Compensation Design of Switching
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... For switching mode power converters, such as an LTC®3851 or LTC3833 current-mode buck supply shown in Figure 2, a fast way to determine whether the unstable operation is caused by the loop compensation is to place a large, 0.1μF, capacitor on the feedback error amplifier output pin (ITH) to IC groun ...
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... Fairchild Semiconductor Corporation’s Anti-Counterfeiting Policy. Fairchild’s Anti-Counterfeiting Policy is also stated on our external website, www.Fairchildsemi.com, under Sales Support. Counterfeiting of semiconductor parts is a growing problem in the industry. All manufactures of semiconductor p ...
Analysis and design of an impulse current generator
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... If either the front-time or the time to half-value fall outside the ±10% limits of the pre-selected standard waveform, then the user is warned to change the values of R, L and C. The divergences are displayed and modified values of the electrical elements are recommended. The same fine-tuning is per ...
MAX17409 1-Phase Quick-PWM GPU Controller General Description Features
MAX17409 1-Phase Quick-PWM GPU Controller General Description Features

... Note 3: Limits are 100% production tested at TA = +25°C. Maximum and minimum limits over temperature are guaranteed by design and characterization. Note 4: The equation for the target voltage VTARGET is: VTARGET = the slew-rate-controlled version of VDAC, where VDAC = 0 for shutdown, VDAC = VVID oth ...
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Active Elements for Analog Signal Processing: Classification

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MAX1807/MAX1808 Micropower Adjustable Overvoltage Protection Controllers General Description
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... The MAX1807/MAX1808 are powered directly by the main system input supply. A low output voltage from DP activates a P-channel switch to supply power to the rest of the system. As the rest of the system supplies come up, the MAX1807/MAX1808 monitor each of them for overvoltage conditions and safely di ...
Aalborg Universitet
Aalborg Universitet

Application Note 149 January 2015 Modeling and Loop Compensation Design of
Application Note 149 January 2015 Modeling and Loop Compensation Design of

... For switching mode power converters, such as an LTC®3851 or LTC3833 current-mode buck supply shown in Figure 2, a fast way to determine whether the unstable operation is caused by the loop compensation is to place a large, 0.1μF, capacitor on the feedback error amplifier output pin (ITH) to IC groun ...
Analysis and design of an impulse current generator
Analysis and design of an impulse current generator

... If either the front-time or the time to half-value fall outside the ±10% limits of the pre-selected standard waveform, then the user is warned to change the values of R, L and C. The divergences are displayed and modified values of the electrical elements are recommended. The same fine-tuning is per ...
FAN7085_GF085  High Side Gate Driver with Recharge FET F
FAN7085_GF085 High Side Gate Driver with Recharge FET F

... and high speed driving of MOSFET or IGBT, which operates up to 300V. Fairchild's high-voltage process and common-mode noise cancellation technique provide stable operation in the high side driver under high-dV/dt noise circumstances. Logic input is compatible with standard CMOS outputs. The UVLO cir ...
BD91364AMUU
BD91364AMUU

... BD91364AMUU has a ripple implanted system at output detection which keeps a normal switching operation even if a low ESR output capacitor is used. This feature also resolved a weakness of a regular hysteresis control, which is, to keep a steady frequency from a variation of frequencies. When operati ...
Datasheet - Monolithic Power System
Datasheet - Monolithic Power System

... time between the boost startup and the startup of positive charge pump regulator. 5V Internal Regulator Output Pin. Bypass VCC to GND with 1μF ceramic capacitor. It provides power for the internal reference, logic and driving circuit. Boost and Positive Charge Pump Regulator Enable Pin. High level e ...
Heathkit V-7A - Orange County (California) Amateur Radio Club
Heathkit V-7A - Orange County (California) Amateur Radio Club

... used for DC. However the 500 and 1,500 VAC ranges are tapped at the same point as the 150 range because of the earlier divider. A separate calibration control sets the AC calibration. The meter has separate scales for both RMS AC volts and Peak-to-Peak AC volts. ...
AVR493 - Atmel Corporation
AVR493 - Atmel Corporation

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Current source



A current source is an electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it.A current source is the dual of a voltage source. The term constant-current 'sink' is sometimes used for sources fed from a negative voltage supply. Figure 1 shows the schematic symbol for an ideal current source, driving a resistor load. There are two types - an independent current source (or sink) delivers a constant current. A dependent current source delivers a current which is proportional to some other voltage or current in the circuit.
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