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Hi All,
I am Nuwan from Sri Lanka, I am working as a technical officer in Electronics and Air Navigation Engineering Division(Airport and Aviation Sri Lanka).
I am looking for a electronic job in USA.
Please help me to find a job from USA.
Qualifications :
1. National Diploma in Technology...
Thanks Audioguru,
I will make this cct.
Thanks a lot.
Nuwan.
- - - Updated - - -
Hi Audioguru,
can you kindly explain why it should be 150hz?
If we want to vary the frequency response I mean adjustable frequency, please tell me how it should be modified.
Thanks,
Nuwan.
Thanks All,
I think 741 can be work with stereo amplifier, But I want a high quality low pass filter with preamp for subwoofer.
Can you please share a circuit diagram?
Hi All,
I wanted to make a high power 2.1 audio amplifier which gives 100W+100W+200W.
Then I ordered 200W class-D power amplifier and 100W+100W class-D power amplifier via online store.
I thought it can be connected to my old 2.1 sub woofer pre-amp.
But unfortunately it could not be connected...
Hello goldsmith,
Thank you for the reply.
I tried to modify what I bought from a company.
In Sri Lanka high power sure sine wave inverters are very expensive as taxes are very high.
That is why I bought 500w one.
Can you please help me to design a pure sine wave inverter?
I have a 160w solar...
Hi all,
I have a pure sine wave 500w inverter(12v DC to 230v AC/50 hz).
As it it not enough for my power requirement I want to modify it with some powerful mosfets to meet 2000w or more.
But I cant understand how to modify it. what type of mosfets should used to boos up dc to dc conversion and...
Hi FoxyRick,
Thanks for your information.
I can understand how grids are scanned and filament are light up.
the problem is I do not know how to find the VFD driver chip.
My VFD has 20 grids and 32 segments. I went through internet but could not find any IC chip for this.
In my VFD there are 7...
I have a VFD bought from sri lanka to create graphic equiliser to my power amplifier.
But I cant find any IC chip for that.
Can you please tell me what is the IC chip I must used for this?
And please share some circuit diagrams for this.
As I am a biginer I cant understand how to find IC chip...
Hi All,
I have a Futaba VFD display.
I brought it to make a grafic display for my amplifier.
But I could not find the I2C chip for this.
Please help me on this.
And If you have some sample circuts of VFD Displays please share with me.
Thanks.
Nuwan Mahesh,
Dear davenn,
Thanks for your advice.
As I was new to hear I was not aware of how creating new thread.
As you requested I made a new thread.
Kindly help me on that thread.
Thanks.
Nuwan Mahesh,
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