User`s guide

18 Agilent E5505A User’s Guide
16 Reference Graphs and Tables
Approximate System Noise Floor vs. R Port Signal Level 362
Figure 288. Noise floor for R input port 362
Phase Noise Floor and Region of Validity 363
Figure 289. Region of validity 363
Phase Noise Level of Various Agilent Sources 364
Figure 290. Noise level for various reference sources 364
Increase in Measured Noise as Ref Source Approaches DUT Noise 365
Figure 291. Reference source and DUT noise levels 365
Approximate Sensitivity of Delay Line Discriminator 366
Figure 292. Delay line discriminator sensitivity 366
AM Calibration 367
Figure 293. AM detector sensitivity 367
Voltage Controlled Source Tuning Requirements 368
Figure 294. Tuning voltage required for phase lock 368
Tune Range of VCO for Center Voltage 369
Figure 295. Tune range of VCO for center voltage 369
Peak Tuning Range Required by Noise Level 370
Figure 296. Typical source noise level vs. minimum tuning range 370
Phase Lock Loop Bandwidth vs. Peak Tuning Range 371
Figure 297. PLL BW vs. peak tuning range 371
Noise Floor Limits Due to Peak Tuning Range 372
Figure 298. Noise at source’s peak tuning range 372
Tuning Characteristics of Various VCO Source Options 373
Table 55. Tuning parameters for several VCO options 373
8643A Frequency Limits 374
Table 56. 8643A frequency limits 374
8643A mode keys 374
Table 57. Operating characteristics for 8643A modes 1, 2, and 3 375
How to access special functions 375
Figure 299. 8643A special function keys 375
Description of special functions 120 and 125 375
8644B Frequency Limits 377
Table 58. 8644B frequency limits 377
8644B mode keys 377
Table 59. Operating characteristics for 8644B modes 1, 2, and 3 378