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 (Na)
a. N is the harmonic mixing mode. For negative mixing modes (as indicated by the “–”), the
desired 1st LO harmonic is higher t han 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 × 106/year ±1.0 × 107/day, characteristic
Settability ±5 × 107
Temperature Stability ±5 × 106
Specifications Supplement al In forma ti on
Frequency Readout
Accuracy
(Start, Stop, Center, Marker) ±((frequency indication ×
frequency reference err ora)
+ 0.75% of span
+ 15% of RBW
+ 10 Hz + 1 Hz × Nb)
a. Freq ue nc y reference error = (aging rat e × pe riod of time since adjustment + settability +
temperature stability).
b. N is the harmonic mixing mode.