Keysight Technologies E8257N Installation Note page 16

Psg signal generators add option unx ultra-low phase noise performance

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For Instruments with Motherboard Versions Less than A0101, replace A31L400 (E8257D) or

A31L44 (E8267D) (For Instruments with Serial Prefixes <US4805/MY4805)

Refer to Figure 6.

1. Position the signal generator with the A31 Motherboard facing you.

2. Remove A31L400 (E8257D) or A31L44 (E8267D).

3. Install the new inductor, provided in this kit.

NOTE

There is a spare replacement inductor provided in this kit.

Figure 6

A31L400 and A31L44

E8257D- L400

E8267D- L44

Front Panel

Table of Contents

E8257d E8251-60417 E8267d E8251-60980 E8251-60991 E8663d