neazoi
Advanced Member level 6
Hello, I happen to have one ADA4870 and these devices can greatly simplify amplification without the use of output transformers.
I am interested in building a broadband little linear amplifier from a few KHz up to 30MHz and even 50MHz if possible with this device. Output power should be the in the area of 1-5W at 50R.
It would help me if you could let me know about how much RF power input would cause a 1-5W output?
Now I have found this document https://www.analog.com/en/analog-dialogue/articles/reinvent-the-signal-generator.html which describes the different configurations but the ADA4870 needs +/-20v.
Since I only need a couple of watts of RF power out of it, I wonder how can I bias it for single ended 12v operation?
I am interested in building a broadband little linear amplifier from a few KHz up to 30MHz and even 50MHz if possible with this device. Output power should be the in the area of 1-5W at 50R.
It would help me if you could let me know about how much RF power input would cause a 1-5W output?
Now I have found this document https://www.analog.com/en/analog-dialogue/articles/reinvent-the-signal-generator.html which describes the different configurations but the ADA4870 needs +/-20v.
Since I only need a couple of watts of RF power out of it, I wonder how can I bias it for single ended 12v operation?