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14 Jan 2017 ... SpecialFolder.Desktop) + "/ WaterMark . pdf ", FileMode.Create)); doc.Open(); doc. Add(this.AddParagraphHeader("Getting ready")); doc.Add(this. Before we start building the Whistler receiver, you will need to locate a clean, well lit and well ventilated area A workbench or large table top to spread out all you diagrams, components and tools for the project First, you will need a small pencil tipped 27 to 33 watt soldering iron, a spool of 22 ga 60/40 tin/lead solder, and a small jar of Tip Tinner Tip Tinner is a soldering iron tip cleaner/dresser and is available at your local Radio Shack store You will also want to locate a few small tools such as a pair of end-cutters, a pair of needle-nose pliers, a pair of tweezers and a magnifying glass Look for a small flat-blade screwdriver as well as a small Phillips screwdriver to round out your tools for the project Next locate all the components for the Whistler project as well as all of the diagrams including the schematic, parts layout diagram and the necessary charts and tables and we will begin In order to construct a stable well performing radio receiver, it is recommended practice to build the Whistler receiver on a printed circuit board, with large ground plane areas You will need to use good RF building practices, such as keeping leads as short as possible, clean solder joints, etc With your circuit board in hand we will begin building the circuit Take a look at the schematic diagram and you will notice that there are dotted or dashed lines These dashed lines represent shielded compartments on the circuit board These shielded areas are used to separate different portions of the circuit from one another You can create a shielded area by soldering a vertical piece of scrap circuit board material onto the circuit board ground plane areas on the circuit board You could also modularize the circuit building three small circuit boards, one for the RF filter and trap circuit, one for the high-pass and low-pass filter, and a third board for the audio amplifier and power circuit Small metal shield covers could be built using scrap circuit board material First, you will need to locate the resistors for the project, and you will also want to refer to the resistor color code chart in Table 14-1, which will help you to identify each of the resistors Resistors generally have three or four color bands which are used to denote the. c# add watermark to existing pdf file using itextsharp: Add Watermark in PDF in C# , VB.NET - E-iceblue add image watermark to pdf c# C# Visual Studio .NET Tutorial - iText# PDF Create Watermark #1
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Hi All , I Have Create one Merge Pdf File, within that file i would like to add stamp to all pages, i have tried lots, but nver got the solution, please ... which is composed of resistors R1 through R4 and capacitors C1 through C3 This filter only allows the desired frequencies to be sent to the next section of the receiver The RF filter is next fed to the 60 Hz filter or trap which filters out 60 Hz power line frequencies before the RF signals are amplified The 60 Hz filter can be switched in and out of the circuit with switch S1:a The dual matched FET transistor Q1 along with transistor Q2 are used to amplify the RF signals of the desired band of frequencies The amplified signals are then fed to the input of a set of selectable filters which can be switched in and out of the circuit Toggle switch S2 is used to switch in the high-pass filter circuit, while switch S3 is used to switch-in the low-pass filter You can select either or both filters if desired The output of the low-pass filter circuit is coupled to the final audio amplifier stage via capacitor C17 Potentiometer R12 controls the audio level entering the LM386 audio amplifier at U1; also note that R12 also contains a switch S5, which is used to supply power to the LM386 audio amplifier The output of the LM386 is coupled to an audio output jack via capacitor C20 Note that capacitor C18 is coupled to a recorder output jack to allow a chart recorder or analog to digital converter to be used to monitor and record the output from the whistler receiver The whistler receiver is powered from a 9 volt battery for both stationary and field receiving applications generate pdf thumbnail c#: Display PDF thumbnail in WinForms PDF Viewer - Syncfusion add watermark image to pdf using itextsharp c# How to add a watermark to a PDF file? - Stack Overflow
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