155-0124-00
![](http://w140.com/tekwiki/images/thumb/9/90/155-0124-00-bd.jpg/400px-155-0124-00-bd.jpg)
The Tektronix M138 (P/N 155-0124-00) is a horizontal preamplifier monolithic integrated circuit in a 16-pin DIP, designed by Bob Nordstrom.
The Tektronix M138 (P/N 155-0124-00) is a horizontal preamplifier monolithic integrated circuit in a 16-pin DIP, designed by Bob Nordstrom.