B1-Turbo on a Chip

[EUVL]

Dual Black Forest Buffer II-P on DIP8

A even more powerful version with 6x PNP in parallel.
Bias per buffer is 17mA.
DC offset < 1mV with matched devices, after trimming.
Bandwidth 350kHz -3dB.
It is designed to drive load from 600R to 1k.

Patrick

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[marconi118]

do you have a schema? what bjt are you using?

 

[EUVL]

Many Toshiba SOT23s in parallel.


Patrick

 

[EUVL]

Here you go.
I used the dual version of 2SA1312BL.


Patrick

 

[marconi118]

thanks a lot

 

[marconi118]

would tthe bc550 go?

 

[EUVL]

I just showed you what I use
Change as you see fit.

Patrick