最新一本到2019线观看

最新一本到2019线观看

Monday, March 19, 2012

Where to Find Ship Numbers?

A ship number is a unique ship identification number issued to the ships by an authority. There are so many ship numbers include IMO NUMBER, Global shipping number, Hull number and so on. But where to find the ship numbers?
shipnumber.com is a recommended place to search the ship numbers. You can easy search the result in its database. Seeing is believing,  try is the most important, so click your mouse at once.


Monday, May 2, 2011

Features and Suggested Applications about Ic components BAV99WT1 and BAV99RWT1

The BAV99WT1 is a smaller package, equivalent to the BAV99LT1.

Features

? Pb-Free Packages are Available
Suggested Applications

? ESD Protection

? Polarity Reversal Protection

? Data Line Protection

? Inductive Load Protection

? Steering Logic

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Thursday, April 28, 2011

Electronic components AD548 PRODUCT DESCRIPTION and IC trading market Site recommended

PRODUCT DESCRIPTION follows:

The electronic components AD548 is a low power, precision monolithic operational amplifier. It offers both low  bias current (10 pA max, warmed up) and low quiescent current (200 μA max) and is  fabricated with ion-implanted FET and laser wafer trimming technologies.

Input bias current is guaranteed over the AD548’s entire common-mode voltage range.
The economical J grade has a maximum guaranteed input offset voltage of less than 2 mV and  an input offset voltage drift of less than 20 μV/°C. This level of dc precision is  achieved utilizing Analog’s laser wafer drift trimming process. The combination of low quiescent current and low offset voltage drift minimizes changes in input offset  voltage due to self-heating effects.

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Electronic components AD548 PRODUCT HIGHLIGHTS and IC trading market Site recommended

PRODUCT HIGHLIGHTS follows:
1. A combination of low supply current, excellent dc and ac
performance and low drift makes the AD548 the ideal op
amp for high performance, low power applications.

2. The electronic components AD548 is pin compatible with industry
 standard op amps such as the LF441, TL061, and AD542, enabling
designers to improve performance while achieving a reduction
in power dissipation of up to 85%.

3. Guaranteed low input offset voltage (2 mV max) and drift
(20 μV/°C max) for the electronic component AD548J are
achieved utilizing Analog Devices’ laser drift trimming technology,
eliminating the need for external trimming.

4. Analog Devices specifies each device in the warmed-up
condition, insuring that the device will meet its published
specifications in actual use.

5. A dual version, the AD648, is also available.

6. Enhanced replacement for LF441 and TL061.

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Wednesday, April 27, 2011

Characteristics and Performance about FPGAs from Hqew.net

General Characteristics

1.Tested Total Ionizing Dose (TID) Survivability Level

2.No Single Event Latch-Up Below a Minimum LET
(Linear Energy Transfer) Threshold of 80 MeV-cm2/mg
for All RT (RadTolerant) Devices

3.Packages: 84-Pin, 132-Pin, 172-Pin, 196-Pin, and
256-Pin Ceramic Quad Flat Pack

4.Offered as Class B and E-Flow (Actel Space Level
Flow)

5.QML Certified Devices

6.100% Military Temperature Tested (–55°C to
+125°C)

High Density and Performance

1.4,000 to 20,000 Logic Equivalent Gates

2.2,000 to 10,000 ASIC Equivalent Gates

3.Up to 85 MHz Internal Performance

4.Up to 60 MHz System Performance

5.Up to 228 User I/Os

6.Up to Four Fast, Low-Skew Clock Networks

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Sunday, April 24, 2011

Electronic components BF240,features,Applications and Description belows

Electronic component BF240,features,Applications and Description belows:

FEATURES

1.Low current (max. 25 mA)

2.Low voltage (max. 40 V)

APPLICATIONS

1.AM mixers

2.IF amplifiers in AM/FM receivers

DESCRIPTION

NPN medium frequency transistor in a TO-92; SOT54

plastic package.

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Thursday, April 21, 2011

Description recommend about ic component EL4093

The semiconductor EL4093,sample and hold amplifier contains a current output stage that  greatly simplifies its connection to the video amplifier. Its high output impedance also  helps to preserve video linearity at low supply voltages.

For ease of interfacing,the HOLD input is TTL-compatible. This device has an operational temperature of -40°C to  +85°C and is packaged in plastic 16-pin DIP and 16-pin SOIC.

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