User`s guide

12 Agilent E5505A User’s Guide
Figure 162. Setup for residual phase noise measurement 231
Defining the measurement 231
Figure 163. Select the parameters definition file 231
Figure 164. Navigate to residual phase noise 232
Figure 165. Enter frequencies into source tab 232
Figure 166. Select constant in the cal tab 233
Figure 167. Select parameters in the block diagram tab 234
Figure 168. Select graph description on graph tab 234
Setup considerations for amplifier measurement 235
Beginning the measurement 235
Figure 169. Select meter from view menu 235
Figure 170. Selecting New Measurement 236
Figure 171. Confirm new measurement 237
Figure 172. Setup diagram for the 8349A amplifier measurement example 237
Table 36. Test set signal input limits and characteristics 238
Making the measurement 239
Table 37. Acceptable amplitude ranges for the phase detectors 239
Figure 173. Residual connect diagram example 240
Figure 174. Connection to optional oscilloscope for determining voltage peaks 240
Figure 175. Adjust phase difference at phase detector 241
Figure 176. Adjust phase shifter until meter indicates 0 volts 242
When the measurement is complete 242
Figure 177. Typical phase noise curve for a residual measurement 243
Table 38. Parameter data for the amplifier measurement example 243
9 FM Discriminator Fundamentals
The Frequency Discriminator Method 246
Figure 178. Basic delay line/mixer frequency discriminator method 246
Basic theory 246
The discriminator transfer response 247
Figure 179. Nulls in sensitivity of delay line discriminator 248
Table 39. Choosing a delay line 250
10 FM Discriminator Measurement Examples
Introduction 252
Figure 180. FM Discriminator measurement setup 252
FM Discriminator Measurement using Double-Sided Spur Calibration 253
Required Equipment 253
Table 40. Required Equipment for the FM Discriminator Measurement Example 253
Determining the discriminator (delay line) length 253
Figure 181. Discriminator noise floor as a function of delay time 254