View Single Post
Old 6th Dec 2017, 9:48 am   #1
Neil Purling
Join Date: Jul 2005
Location: Hull, East Yorkshire, UK.
Posts: 1,889
Default Matched Transistors

How close a match must two transistors in a p-p radio o/p stage be?
I can measure the hfe figure.
Suppose I had measured hfe of 200 & 202 for an o/p pair.
Is the measurement linear, so that would be much closer than if the scale were logarithmic.
Neil Purling is offline