N5194A矢量适配器数据表.pdf - 第13页

Page 13 Find us at www .keysight.com Fig ure 3 . Mea sur ed ab solu te pha se noi se us ing th e inter na l LO mode fo r the N 5 194A . Fig ure 4 a. Me asu red a bso lute ph ase n ois e usin g the ex tern al LO mo de for…

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Phase Noise for N5194A
Internal LO mode for N5194A
Absolute SSB phase noise (dBc/Hz)
1
Offset from carrier
Frequency 10 kHz
spec (typ)
100 kHz
spec (typ)
1 MHz
spec (typ)
10 MHz
spec (typ)
100 MHz
spec (typ)
100 MHz –144 (–148) –143 (–148) –142 (–148) –143 (–148) N/A
1 GHz –132 (–144) –132 (–143) –145 (–151) –142 (–153) –142 (–155)
2 GHz –130 (–140) –120 (–138) –142 (–149) –143 (–150) –143 (–150)
3 GHz –122 (–128) –126 (–132) –132 (–137) –133 (–141) –131 (–140)
6 GHz –124 (–131) –128 (–134) –138 (–145) –141 (–148) –138 (–146)
10 GHz –121 (–127) –125 (–131) –133 (–140) –138 (–145) –135 (–143)
20 GHz –113 (–119) –116 (–124) –125 (–132) –127 (–135) –124 (–133)
External LO mode for N5194A
Absolute SSB phase noise (dBc/Hz)
2
Offset from carrier
Frequency 10 kHz
spec (typ) [nom]
100 kHz
spec (typ) [nom]
1 MHz
spec (typ) [nom]
10 MHz
spec (typ) [nom]
100 MHz
spec (typ) [nom]
100 MHz –144 (–148) –143 (–148) –142 (–148) –143 (–148) N/A
1 GHz –132 (–144) –132 (–143) –145 (–151) –142 (–153) –142 (–155)
2 GHz –130 (–140) –120 (–138) –142 (–149) –143 (–150) –143 (–150)
3 GHz –115 (–121) –120 (–126) –125 (–129) –123 (–131) –121 (–129)
6 GHz –114 (–121) –117 (–124) –124 (–128) –124 (–130) –122 (–129)
10 GHz –109 (–117) –111 (–120) –119 (–124) –118 (–126) –118 (–128)
20 GHz –106 (–115) –108 (–118) –117 (–123) –120 (–127) –118 (–126)
22 GHz [–117] [–121] [–126] [–129] [–130]
26 GHz [ –116] [–121] [–126] [–129] [–131]
30 GHz [–117 ] [–121] [–126] [–129] [–129]
34 GHz [–115] [–119] [–125] [–129] [–130]
38 GHz [–115] [–119] [–125] [–127] [–122]
42 GHz [–114] [–119] [–126] [–128] [–125]
1. CW signal measured with power set to +4 dBm. Phase noise specifications are warranted from 0 to 50 ˚C.
2. CW signal Measured with power set to +5 dBm. Phase noise specifications are warranted from 0 to 50 ˚C
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Figure 3. Measured absolute phase noise using the internal LO mode for the N5194A.
Figure 4a. Measured absolute phase noise using the external LO mode for the N5194A.
Measured internal LO absolute phase noise for N5194A
Measured external LO absolute phase noise for N5194A
-160
-140
-120
-100
-80
-60
-40
-20
0
110 100 1,00010,000 100,000 1,000,00010,000,000 100,000,00
0
Measured internal LO absolute phase noise
100 MHz 1 GHz 3 GHz 6 GHz 10 GHz 20 GHz
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Figure 4b. Measured absolute phase noise above 20 GHz using the external LO mode for the N5194A.
Measured internal LO residual phase noise for N5194A
Measured external LO absolute phase noise above 20 GHz for N5194A
Figure 5. Measured residual phase noise using the internal LO mode for the N5194A.