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360B VNA SOURCE LOCK MODE
Under control of the Anritsu 360B Vector Network Ana
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lyzer, the synthesized signal generator is phase-locked at a
typical <8.5 ms/step sweep speed. Frequency resolution is
limited to 100 kHz.
Minimum specified frequency is 2.1 GHz for model
68137C.
LIST SWEEP MODE
Under GPIB control or via the front panel, up to 4 tables
with 2000 non-sequential frequency/power sets can be
stored and the addressed as a phase-locked step sweep.
One table of 2000 points is stored in non-volatile memory,
all other tables are stored in volatile memory.
Switching Time (typical maximum):
Units having a high-end frequency of ³20 GHz:
<25 ms to be within 1 kHz of final frequency.
Units having a high-end frequency of 8.4 GHz:
<5 ms to be within 1 kHz of final frequency.
PROGRAMMABLE FREQUENCY AGILITY
Under GPIB control, up to 3202 non-sequential frequency/
power sets can be stored and then addressed as a
phase-locked step sweep. Data stored in volatile memory.
Switching Time (typical maximum):
Units having a high-end frequency of ³20 GHz:
<25 ms to be within 1 kHz of final frequency.
Units having a high-end frequency of 8.4 GHz:
<5 ms to be within 1 kHz of final frequency.
MARKERS
Up to 20 independent, settable markers (F0 – F9 and
M0 – M9).
Video Markers: +5V or –5V marker output, selectable
from system menus. AUX I/O connector, rear panel.
Intensity Markers (Available in Analog Sweeps of
<1 Second Sweep Time): Produces an intensified dot on
trace, obtained by momentary dwell in RF sweep.
Marker Accuracy: Same as sweep frequency accuracy.
Marker Resolution (Analog Sweep):
1 MHz or Sweep Width/4096, whichever is greater.
Marker Resolution (Step Sweep):
1 kHz (0.1 Hz with Option 11)
SWEEP TRIGGERING
Sweep triggering is provided for Analog Frequency Sweep,
Step Frequency Sweep, List Frequency Sweep, and CW
Power Sweep.
Auto: Triggers sweep automatically.
External: Triggers a sweep on the low to high transition of
an external TTL signal. AUX I/O connector, rear panel.
Single: Triggers, aborts, and resets a single sweep. Reset
sweep may be selected to be at the top or bottom of the
sweep. The pen lift will activate at sweep times ³1 second.
SPECTRAL PURITY
All specifications apply to the phase-locked CW and Step
Sweep modes at the lesser of +10 dBm output or maxi
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mum specified leveled output power, unless otherwise
noted.
SPURIOUS SIGNALS
Harmonic and Harmonic Related:
0.1 Hz to 10 MHz (Option 22): <–30 dBc
10 MHz to £50 MHz: <–30 dBc
>50 MHz to £2 GHz: <–40 dBc
>2 GHz to £20 GHz: <–60 dBc
>20 GHz to £40 GHz: <–40 dBc
Harmonic and Harmonic Related (Models having a
high-end frequency of >40 GHz and units with Option
15A at maximum specified leveled output power):
10 MHz to £50 MHz: <–30 dBc
>50 MHz to £2 GHz: <–40 dBc
>2 GHz to £20 GHz: <–50 dBc
>20 GHz to £40 GHz: <–40 dBc
50 GHz units:
>40 GHz to £50 GHz: <–40 dBc
60 GHz units:
>40 GHz to £60 GHz: <–30 dBc
65 GHz units:
>40 GHz to £65 GHz: <–25 dBc
Nonharmonics:
0.1 Hz to 10 MHz (Option 22): <–30 dBc
10 MHz to £2 GHz: <–40 dBc
>2 GHz to £65 GHz: <–60 dBc
B-2 681XXC OM
PERFORMANCE
SPECIFICATIONS