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L and a series – Atec Agilent-E8251A User Manual

Page 6

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6

Option UNJ: Improved SSB phase noise
Offset from carrier (dBc/Hz)

Frequency

100 Hz

1 kHz

10 kHz

100 kHz

spec (typ)

spec (typ)

spec (typ)

spec (typ)

250 kHz to 250 MHz

–94 (–115)

–110 (–123)

–128 (–132)

–130 (–133)

> 250 to 500 MHz

–100 (–110)

–124 (–130)

–132 (–136)

–136 (–141)

> 500 MHz to 1 GHz

–94 (–104)

–118 (–126)

–130 (–135)

–130 (–135)

> 1 to 2 GHz

–88 (–98)

–112 (–120)

–124 (–129)

–124 (–129)

> 2 to 3.2 GHz

–84 (–94)

–108 (–116)

–120 (–125)

–120 (–125)

> 3.2 to 10 GHz

–74 (–84)

–98 (–106)

–110 (–115)

–110 (–115)

> 10 to 20 GHz

–68 (–78)

–92 (–100)

–104 (–107)

–104 (–109)

> 20 to 40 GHz

–62 (–72)

–86 (–94)

–98 (–101)

–98 (–103)

Residual FM

< N x 6 Hz, typical

Option UNJ

< N x 4 Hz, typical

(rms, 50 Hz to 15 kHz bandwidth)

Broadband noise (CW mode at +10 dBm output,
for offsets > 10 MHz)

> 0.25 to 20 GHz

< –148 dBc/Hz typical

> 20 to 40 GHz

< –141 dBc/Hz typical

10

100

1K

10K

100K

1M

10M

100M

L(f) [dBc/Hz] versus f [Hz]

-40
-50
-60
-70
-80
-90

-100
-110
-120
-130
-140
-150
-160
-170

40 GHz

10 GHz

1 GHz

10

100

1K

10K

100K

1M

10M

100M

M(f) [dBc/Hz] versus f [Hz]

-60

-70

-80

-90

-100

-110

-120

-130

-140

-150

-160

L and A Series

Measured phase noise
Standard Product

Option UNJ

Measured AM noise at 10 GHz

Measured Standard vs. Option UNJ at 10 GHz

40 GHz

1 GHz

10 GHz

Standard

Option UNJ