... hãng CMOS sản xuất .Sau ñây là bảng thông số của 555 có trên thị trường : + ðiện áp ñầu vào : 2 - 18V ( Tùy từng loại của 555 : LM555, NE555, NE 7555 ) + Dòng ñiện cung cấp : 6mA - 15mA + ðiện ... IC 555 - Timer và những ứng dụng 555 là một loại linh kiện khá là phổ biến bây giờ với việc dễ dàng tạo ñược xung ... chỉ là những thông số cơ bản của 555. Còn những thông số khác các pác tham khảo datasheet! 1 : Giới thiệu, sơ ñồ khối, sơ ñồ nguyên lý, chân của 555 IC thời gian 555 ñược du nhập vào những năm...
Ngày tải lên: 06/11/2013, 22:15
Tài liệu Module 9: Using Calculated Cells pdf
... Contents Overview 1 Using Calculated Cells 2 Lab A: Creating a Calculated Cells Formula 17 Review 20 Module 9: Using Calculated Cells 20 Module 9: Using Calculated Cells BETA ... expression for this procedure. Module 9: Using Calculated Cells 13 BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY Although using the LookupCube function to return ... for this procedure. Note Module 9: Using Calculated Cells 1 BETA MATERIALS FOR MICROSOFT CERTIFIED TRAINER PREPARATION PURPOSES ONLY Overview ! Using Calculated Cells In this module,...
Ngày tải lên: 10/12/2013, 16:15
Tài liệu Electronics and Circuit Analysis Using MATLAB P12 pdf
... Solution Using Equations (12.67), (12.69), (12.70) and (12.74) are used to calculate the poles of Equation (12.65). The zero of the overall amplifier gain is calculated using Equation ... 12.11 Wilson Current Source Using KCL at the collector of transistor Q 3 , we get IIII I CRBR O F 13 =− =− β therefore, () III OFRC =− β 1 (12.57) Using KCL at the emitter of Q 3 ... midband gain using equation (12.108) a = (1/rds) + (1/rd) + (1/rl); rlprime = 1/a; rg = rg1*rg2/(rg1 + rg2); gain_mb = -gm*rg*rlprime/(ri + rg); % Calculate Low cut-off frequency using equation...
Ngày tải lên: 13/12/2013, 01:15
Tài liệu Electronics and Circuit Analysis Using MATLAB P7 pdf
... networks is shown. Example problems in- volving both passive and active circuits will be solved using MATLAB. 7.1 TWO-PORT NETWORK REPRESENTATIONS A general two-port network is shown ... shown in Figure 7.3. + - V 1 V 2 + - I 1 I 2 Y b Y c Y a Figure 7.3 Pi-Network Solution Using KCL, we have IVY VVYVYY VY ababb 11 12 1 2 =+ = + ()() (7.19) â 1999 CRC Press LLC ... + - V 1 + - V 2 R C R R CC Figure P7.5 RC Ladder Network â 1999 CRC Press LLC â 1999 CRC Press LLC Using Equation (7.50), the equivalent y-parameters of the bridge-T network are y Z ZZ ZZ ZZ...
Ngày tải lên: 13/12/2013, 01:15
Tài liệu Some folds and puzzles using paper_Origami Fun pdf
... colour/white pattern exactly, using as few folds as possible. The target number of folds is shown in brackets by each pattern. Don't forget there are no rules, so you can start using diagonals, fifths, ... There are no prizes available, but it's a lot of fun! Here are some folds & puzzles using paper. Simple Models banger Rick Nordal's surprise fold foil flower paper pistol sasaki's...
Ngày tải lên: 13/12/2013, 04:15
Tài liệu Using SQL Server pdf
... database. Using SQL Server In this section, you'll explore some of the tools you use to manage SQL Server. Specifically, you'll learn how to start and stop SQL Server using the Service ... installation. Using Enterprise Manager To administer a database, you use the Enterprise Manager tool. You can create databases, create and edit tables, create and edit users, and so on, using Enterprise ... columns, views, stored procedures, and so on. This information is primarily used by data-warehousing applications. Note Since this is a book on database programming, I won't cover too...
Ngày tải lên: 14/12/2013, 13:15
Tài liệu Implementing Pessimistic Concurrency Without Using Database Locks pdf
... // Namespaces, variables, and constants using System; using System.Configuration; using System.Windows.Forms; using System.Text; using System.Data; using System.Data.SqlClient; private ... database. A DataAdapter is created and the select, delete, insert, and update commands are built using the stored procedures for the solution. A RowUpdated event handler is attached to the DataAdapter. ... SP0613_PurgeExpired. [ Team LiB ] [ Team LiB ] Recipe 6.13 Implementing Pessimistic Concurrency Without Using Database Locks Problem You need the safety of pessimistic locking without the overhead of...
Ngày tải lên: 14/12/2013, 18:16
Tài liệu Defining and Using a Class pdf
... Methods and Applying Scope”; in fact, there's almost no new syntax here. Using the Circle class is similar to using other types that you have already met; you create a variable specifying ... Defining and Using a Class In C#, you use the class keyword, a name, and a pair of curly braces to define a...
Ngày tải lên: 15/12/2013, 00:15
Tài liệu Intelligent Design Retrieving Systems Using Neural Networks pdf
... conceptual design 048 using similarity = 0.5. design 031 design 037 design 038 design 043 design 044 design 045 â2001 CRC Press LLC 7.5.1 Constructing Geometric Memory Using the DSG coding ... sources. This type of design information would be hard to describe using traditional textual data. Another major problem with using traditional information retrieving methods is the use of search algorithms ... Engineering, 17( 1- 4):227-233. Garza, A.G. and M.L. Maher, (1996) Design by interactive exploration using memory-based techniques, Knowledge-Based Systems, 9:151-161. Kumara, S.R.T. and S.V. Kamarthi,...
Ngày tải lên: 17/12/2013, 06:15
Tài liệu Building Queries Using Enterprise Manager pdf
... Building Queries Using Enterprise Manager You can build your own queries to examine rows in tables using Enterprise Manager. In this section, you'll ... the next chapter, you can also build and run queries using Visual Studio .NET. In the next section , you'll learn how to create a table using Enterprise Manager. ...
Ngày tải lên: 24/12/2013, 01:17
Tài liệu Using Manual Transactions pdf
... ManualTransactionForm.cs // Namespaces, variables, and constants using System; using System.Configuration; using System.Windows.Forms; using System.Data; using System.Data.SqlClient; private const String ... DBNull.Value; else cmd.Parameters["@CategoryName"].Value = [ Team LiB ] Recipe 6.2 Using Manual Transactions Problem You need to explicitly begin, control, and end a transaction...
Ngày tải lên: 24/12/2013, 05:15
Tài liệu Using Boolean Operators pdf
... Using Boolean Operators A Boolean operator is an operator whose result is either true or false. ... same as another value of the same type. The following table summarizes how these operators work, using an int variable called age as an example. Operator Meaning Example Outcome if age is 42 ...
Ngày tải lên: 24/12/2013, 09:16
Tài liệu Vibration of Airplane Wing Using Pro/M pdf
... 1 ME-430 INTRODUCTION TO COMPUTER AIDED DESIGN Vibration of Airplane Wing Using Pro/M Dr. Herli Surjanhata Use Notepad or Text Editor in Unix system to create the following...
Ngày tải lên: 19/01/2014, 05:20
Tài liệu Electronics Circuit Analysys Using Matlab P8 pdf
... MATLAB program to obtain a n and b n for n = 0 , 1, , 10 by using Equations (8.5) and (8.6). (c) Resynthesis g(t) using 10 terms of the values a n , b n obtained from part (b). ... gt ee jn jn t n n () ()( ) () exp( ) = −− + − =−∞ ∞ ∑ 1 22 22 π π (8.22) (ii) Using a MATLAB program, synthesize gt () using 20 terms, i.e., â 1999 CRC Press LLC â 1999 CRC Press LLC ... discrete Fourier transform, and fast Fourier transform. Some applications of Fourier analysis, using MATLAB, will also be discussed. 8.1 FOURIER SERIES If a function gt () is periodic...
Ngày tải lên: 19/01/2014, 17:20
Tài liệu Electronics and Circuit Analysis using MATLAB P2 pdf
Ngày tải lên: 19/01/2014, 20:20
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