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The M94 uses an IC fabrication process with NPN and PNP transistors.  
The M94 uses an IC fabrication process with NPN and PNP transistors.  
However, the PNP transistors are lateral devices with beta around 8.
The NPN devices in this fabrication process have  
In contrast, the NPN devices in this fabrication process have good performance and
good performance and a beta around 100.
a beta around 100.
In contrast, the PNP transistors are poor-performing lateral devices with beta around 8.


==Biasing==
==Biasing==