Technical data

Theory of Operation 4
N1911A/1912A P-Series Power Meters Service Guide 45
Calibrator Assembly
Purpose
• Provides a 1 mW (0 dBm) power reference level at 50 MHz
Inputs
• Power supplies [from PSU, via main board]
• Control, address, and data lines [from PPMC]
Outputs
• 1 mW (0 dBm) power reference [to external equipment]
• Control and data lines [to PPMC, via main board]