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42 Chapter 2
Agilent E4408B Specifications and Characteristics
Frequency
Agilent E4408B Specifications and
Characteristics
Frequency
Specifications Supplemental Information
Frequency Range
9 kHz to 26.5 GHz
Band
Harmonic Mixing Mode (N
a
)
a. N is the harmonic mixing mode. For negative mixing modes (as indicated by the “–”), the
desired 1st LO harmonic is higher than the tuned frequency by the 1st IF (3.9214 for the
9 kHz to 3 GHz band, 321.4 MHz for all other bands).
0 (0 Hz to 3.0 GHz) 1–
1 (2.85 GHz to 6.7 GHz) 1–
2 (6.2 GHz to 13.2 GHz) 2–
3 (12.8 GHz to 19.2 GHz) 4–
4 (18.7 GHz to 26.5 GHz) 4–
Specifications Supplemental Information
Frequency Reference
Aging Rate
±2 × 10
–6
/year ±1.0 × 10
–7
/day, characteristic
Settability
±5 × 10
–7
Temperature Stability
±5 × 10
–6
Specifications Supplemental Information
Frequency Readout
Accuracy
(Start, Stop, Center, Marker) ±((frequency indication ×
frequency reference error
a
)
+ 0.75% of span
+ 15% of RBW
+ 10 Hz + 1 Hz × N
b
)
a. Frequency reference error = (aging rate × period of time since adjustment + settability +
temperature stability).
b. N is the harmonic mixing mode.