Electronics > Beginners
Pulsegenerator 1-5ns and 1V at 50Ohm
McCain:
Good Morning all,
please refrain from my not so good english. I had to do a lot
Use translators. sorry.
I need a Pulse generator to test our electronic devices at work. I Hope that I can build myself. I would like to have a pulse
which drives approx. 1 volt at 50 ohms and a rise time of 1-5ns.
The pulsewidth is almost irrelevant and can be anything between 1us and 500us, that
wouldn't be that important. Only the rise time and the amplitude is interesting.
Has anyone happened to see a post here in the forum that I could recreate?
That would be awesome.
I appreciate any help.
Thank you very much.
McCain
radiolistener:
you can use si5351 adafruit module, it has 50 ohm output and allows to to produce square wave with 1 ns rise time.
https://learn.adafruit.com/adafruit-si5351-clock-generator-breakout
In order to control it, you can use some cheap one dollar STM32F103 arduino module (blue pill)
https://stm32-base.org/boards/STM32F103C8T6-Blue-Pill.html
TERRA Operative:
How about this one made by forum member Leo Bodnar?
http://www.leobodnar.com/shop/index.php?main_page=product_info&cPath=124&products_id=295
Marco:
Microcontroller/IDE of choice to generate the pulse, hex inverter to buffer it, a resistor to reduce it to 1V.
PartialDischarge:
I made a pulser based on the Tektronix 109 concept, with a mercury realy from ebay. The nice thing about it is that it is not limited to 1.8V or 5V, it can go to 300V or more which can be useful sometimes.
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