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Chapter 2 67

Making Adjustments

7. Log and Linear Ampliﬁer

Linear Output and Step Gain Adjustments

21.Press the following analyzer keys.

AMPLITUDE, 50, −dBm

SCALE LOG LIN (LIN), More 1 of 2

AMPTD UNITS, dBm

22.Set the synthesizer amplitude to the level recorded in step 8 and

adjust A14R34 LIN for a DMM reading of 1000 mV ±1mV.

23.Make the adjustments indicated in Table 2-9.

Table 2-3 Log Fidelity Check

Synthesizer Level DMM Reading

Reference from step 8 1000 mV ±1mV

Reference − 10 dB 875 mV ±3mV

Reference − 20 dB 750 mV ±4mV

Reference − 30 dB 625 mV ±4mV

Reference − 40 dB 500 mV ±5mV

Reference − 50 dB 375 mV ±6mV

Reference − 60 dB 250 mV ±7mV

Reference − 70 dB 125 mV ±8mV

Table 2-4 Linear Gain Check

Adjust Synthesizer Level Reference

Level (dBm)

DMM Reading

A14R34 Reference from step 8 −50 1000 mV ±1mV

A14R33 Reference − 10 dB −60 1000 mV ±5mV

A14R30 Reference − 20 dB −70 1000 mV ±5mV

A14R27 Reference − 30 dB −80 1000 mV ±5mV

N/A Reference − 40 dB −90 1000 mV ±30 mV

Agilent Technologies 8593E User Manual

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