Theory of Operation
2
Keysight 8990B Service Guide
55
Processor PCI Mezzanine Card (PPMC) Assembly
Purpose
– Provides the main processor and memory for the peak power analyzer
– Stores the peak power analyzer firmware in flash
– Stores the serial number of the peak power analyzer
Inputs
– Power supplies (from PSU, via main board)
– Control and data lines (from main board and DAP)
Outputs
– Control, address, and data lines (to main board and DAP)
Содержание 8990B
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