Question about Manual Units Sphygmomanometer Pressure Monitoring MDS9125LF Medline
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Lets get it right here. You don't have a camcorder or digital camera, right! Then you want to make a night visison camera or goggles I will tell what you need but you'll need lots knowledge and know how pertain to electronic, hight voltage, optic lens, and some how getting parts that will be required.
1st. Image intensifier tube, 18mm or 25mm, Generation 1, 2, 2+,3,3+ iit. You'll need to read up on thes image tubes. Hint: Their is electronical engineering in Sweden that built very thing that required for a NV devise....google it.
2nd. ccfl inverter with step transformer. ccfl invert-cold cathode fluroscent Lamp, inverter electronic switch to turn off the DC voltage (off/on @ 60hz/sec) or more. Just with what I have said here. I could write 200 page on it, and this isn't all of it.
3rd. Need small toloid (sp) coil, or transformer that will step up the Vcc voltage (battery volts) to something in hundreds/thousand volts.
4th. Toloid coil/transformer take ccfl inverter voltage and multiply it to the operating voltage, frequency, and current the iit (image intensifier tube needs) Example; 3 battery volt ----ccfl inverter
(where voltage switched off/on (about 3.8 dc volts here with capacitor switch)----- two primary winding (this switch the phase of the two dc voltage, it also has the dc current lage behing the dc voltage by 90 degrees) Now the primary induces voltage into the secondary windings which is a step winding to about 500V to 1700V THEN
Voltage multiplier (uses cremiac capacitory HV caps, then diodes (HV) and they are hook up in a way that look like rome tower-cross hatch pattern---here, there are many different ways to get voltage multiplier, 1/2 wave, full wave,etc. Now ever two capacitors and three diodes are consider one stage or cascade. Each stage will double the previous voltage. Example: starting with 2000DCV switching to first stage 4000DCV to second stage 8000DCV to third stage 16000DCV to fourth stage equalls 32000DCV.
In this world under conservation of engery; nothing is destroyed or greaded, just engery transfer from one state to another. Example: If one could look down the wire from the image tube plate to the end of the battery---one would see resistance/ In the EEEE world it called impendence. This impendence is made up of wire,capactance, resistances, component resistance everything will contribute to the overall impendence. Remember the current lag the voltage by 90 degrees. Simply this lag plays little joke on the impedence--for a short moment in time it makes it look like no current source and before it can reconized it, it off, the process starts all over. simplist as I can get.
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