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0dB part is just for replacing part with attenuation. I guess it's just a zero ohm(a short). If you want to use attenuator to do the interstage matching, 3dB is OK for the design (at least 6dB return loss)
Re: Dc-Dc converter
I recommend TPS61040 from TI.
Lighting and Display Solutions - White LED Driver - TPS61040 - TI.com
It's easy to use on small project. It also show the negative supply circuit.
Re: ICL 7107
You can refer the datasheet in
**broken link removed**
It is a A/D converter with 4-1/2 digit LED display
You can check the page 12 and 13.
And it need +V and -V supply to monitor negative voltage.
eagle cad tutorial select all
Thanks! M!K
May I ask another question about auto-router??
After routing the PCB, I can't do it again with new setup.....
Can I re-router it by new line width?? refresh it??
eagle pcb dash polygon tool
Hi all,
Can I adjust the path width when I use auto-router function??
Now our path width is 10mil and I want to change it to 20mil.
How can I do?
simulate oscillator
I made a Multivibrator circuit like below
**broken link removed**
How to simulate it in SPICE??
I simulate it by transient but it don't oscillate......
Please help me............
Microstrip fix arrays design
try to simulation the antenna factor....
you can tune the distance between the elements and phase difference or reading the antenna book to calculate the distance...
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