User`s guide

18-20 Agilent Technologies E5500 Phase Noise Measurement System
Reference Graphs and Tables
Agilent/HP 8665A Frequency Limits
Agilent/HP 8665A Frequency Limits
Agilent/HP 8665A
Mode Keys
• The [Mode 2] key provides a median range of FM deviation and RF
output switching time, as shown in the following table.
• The [Mode 3] key provides the lowest noise level at the RF output, FM
deviation bandwidth is narrower, and the RF switching time is slower
than in either Modes 1 or 2.
Table 18-7 Agilent/HP 8665A Frequency Limits
Note: Special Function 120 must be enabled for DCFM
1
Minimum Recommended PTR (Peak Tune Range)
PTR =FM Deviation x VTR
Model
Numbe
r
Option
Band
Minimum
(MHz)
Band
Maximum
(MHz)
Mode 3 Mode 2
8665A 4120 4200 800000 20000000
8665A 3000 4119.99999999 400000 20000000
8665A 2060 2999.99999999 400000 10000000
8665A 1500 2059.99999999 200000 10000000
8665A 1030 1499.99999999 200000 5000000
8665A 750 1029.99999999 100000 5000000
8665A 515 749.99999999 100000 2500000
8665A 375 514.99999999 50000 2500000
8665A 257.5 374.99999999 50000 1250000
8665A 187.5 257.49999999 25000 1250000
8665A 30 187.49999999 200000 5000000
8665A 5 29.99999999 100000 5000000
8665A 0.05 4.99999999 Max FM = MIN(Above, Carrier freq - 9 kHz)
1
Takes into account limited tuning resolution available in linear FM (Special Function 120, refer to “How to Access Special
Functions” on page 18-15).
Table 18-8 Operating Characteristics for Agilent/HP 8665A Modes 2 and 3
Charateristic
Synthisis Mode
Mode 2 Mode 3
RF Frequency Switching Time 200 ms 350 ms
FM Deviation at 1 GHz 1 MHz 100 kHz
Phase Noise (20 kHz offset at 1 GHz) -130 dBc -136 dBc