18.Calibrator Amplitude Accuracy, HP 8590 EM-Series

18.Calibrator Amplitude A ccuracy,

HP 8590 EM-Series

This performance veri￿cation test must be performed with the EMC analyzer set in the spectrum analyzer mode.

This test measures the accuracy of the EMC analyzer CAL OUT signal. The ￿rst part of the test characterizes the insertion loss of a Low Pass Filter (LPF) and 10 dB Attenuator. The harmonics of the CAL OUT signal are suppressed with the LPF before the amplitude accuracy is measured using a power meter.

Calibrator Frequency is not included in this procedure because it is a function of the Frequency Reference (CAL OUT Frequency = 300 MHz 6 [300 MHz 2 Frequency Reference]). Perform the Frequency Reference Accuracy test to verify the CAL OUT frequency.

Equipment Required

Synthesized sweeper

Measuring receiver (used as a power meter) Power meter

Power sensor, low power with a 50 MHz reference attenuator Power sensor, 100 kHz to 1800 MHz

Power splitter

10 dB Attenuator, Type N (m to f), dc-12.4 GHz Filter, low pass (300 MHz)

Cable, Type N, 152 cm (60 in) Adapter, APC 3.5 (f) to Type N (f)

Adapter, Type N (f) to BNC (m) (two required) Adapter, Type N (m) to BNC (f)

Procedure

This performance veri￿cation test consists of two parts:

Part 1: LPF, Attenuator and Adapter Insertion Loss Characterization

Part 2: Calibrator Amplitude Accuracy

Perform \Part 1: LPF, Attenuator and Adapter Insertion Loss Characterization"

before \Part 2: Calibrator Amplitude Accuracy."

A worksheet is provided at the end of this procedure for calculating the corrected insertion loss and the calibrator amplitude accuracy.

Performance Veri￿cation Tests 2-93