Agilent Technologies E4438C Instalační příručka stáhnout pdf (Strana 106)

Adjustments

Timebase DAC Calibration

4-14

Timebase DAC Calibration

Description

This calibration ensures that the signal generator has warmed-up sufficiently and then adjusts the coarse

and fine reference timebase DACs for minimum internal reference frequency error. The coarse and fine DAC

calibration factors are then stored in the signal generator’s firmware.

Required Test Equipment

• Agilent 53132A Option 050 frequency counter

• Use a 10 MHz house standard. (For example, an Agilent 5071A primary frequency standard or equivalent

can be used.)

Procedure

Figure 4-8 Timebase DAC Calibration Setup

1. Connect the equipment as shown above.

2. Preset all of the equipment.

3. Follow the instructions as they appear on the controller’s display.

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Agilent Technologies E4438C Instalační příručka Strana 106