Manual - 8500A Series Peak Power Meter - Giga-tronics

Series 8500A Peak Power Meters
4.2.6 Front Panel Interface PC Assembly (A8)
The Front Panel Interface PC board powers and controls the instrument display (through U1, U2, U3, and
U7); provides the interface to the keyboard and front panel indicator lamps (through U2, U4, and U7);
and interfaces with the spin knob on the front panel.
Refer to Figure 4-8 and sheet 1 of schematic diagram #20196.
Figure 4-8. Front Panel Interface (A8) Block Diagram
4-24 Manual No. 20790, Rev C, November 1998
Superceded by Revision D, March 2009