155-0080-00
The 155-0080-00 is a Tek-made vertical output amplifier integrated circuit in a stud-mounted can. It is used in 100 MHz-class 76xx scopes.
![](http://w140.com/tekwiki/images/thumb/8/8a/Tek155-0080.jpg/400px-Tek155-0080.jpg)
It contains three cascoded differential gain stages, two of which use the "ft doubler" circuit invented by Carl Battjes. Tek's internal name for the die was "M125".
Used in
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