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MODEL 8559A GENERAL INFORMATION
TABLE
1-2.
MODEL 8559N180-SERIES SUPPLEMENTAL CHARACTERISTICS (1 OF
3)
SUPPLEMENTAL CHARACTERISTICS
NOTE:
Values in this table are not specifications. They are typical characteristics
included for user information.
FREQUENCY CHARACTERISTICS
FREQUENCY ACCURACY
Frequency Cal
Adjusts digital FREQUENCY GHz readout.
FREQUENCY CAL control may be used to cali
-
brate the frequency readout on a known signal
or on the 35 MHz CAL OUTPUT signal.
FREQUENCY RANGE
Alternate IF
Regular IF approximately 3.0075 GHz. Alter
-
nate IF available at approximately 2.9925 GHz
for all frequency bands (minimum frequency 25
MHz).
SPECTRAL RESOLUTION AND STABILITY
Frequency Drift
(Fundamental mixing
-
n
=
1
-
or
1
+)
At fixed center frequency after Zhour warmup:
<
25 kHz/lO minutes
With temperature changes:
<200 kHz/"C
Resolution Bandwidth Shape
Approximately gaussian (synchronously
-
tuned,
4
-
pole filter).
Spectral Resolution
The following graph shows typical spectrum
analyzer resolution for different resolution
bandwidths.
Frequency
SIGNAL RESOLUTION VS. FREQUENCY SEPARATION
AMPLITUDE CHARACTERISTICS
AMPLITUDE RANGE AND ACCURACY
Dynamic Range
Maximum power ratio of two signals simultane
-
ously present at the input that may be measured
within the limits of specified accuracy, sensitiv
-
ity, and distortion (i.e., spurious responses):
>70 dB.
Frequency Response and Average Noise Level
The following graph shows typical frequency
response and average noise level versus fre
-
quency.
Frequency
(GHzl
AVERAGE NOISE LEVEL AND FREQUENCY RESPONSE
Amplitude Scale Switching
Reference Level variation is typically less than
+
/
-
1
dB for any change in Amplitude Scale.
SPURIOUS RESPONSES
(with
0
dB input attenuation)
Second Harmonic Distortion
Input Power Relative Distortion
-
40
dBm
<
-
70
dB