Atec Agilent-8566B - Manual (Page 9)

Specifications
Specifications describe the instrument’s warranted performance
over the 0” to 55” C temperature range (unless otherwise noted), with
autocoupled
operation and preselector
Characteristics information about non-warranted
instrument performance.
Frequency
0
Measurement Range 100 Hz to 22 dc-coupled input;
up to 325 with external mixers
Frequency Reference Error
Aging Rate 1 x and 2.5 x
Temperature Stability< 7 x over 0” to 55” C range
Center Frequency 0 Hz to 22
Center Frequency Readout Accuracy
Spans n x 5 MHz of frequency span +
frequency reference error x center frequency 0 Hz)
Spans n x 5 MHz of frequency span + n x 100
+ frequency reference error x center frequency)
where n is the harmonic mixing number, depending
on center frequency:
10
20
30
40
50
60
70
80
10 H z 100 Hz 1 10 100 1 10 M Hz 100 M Hz
Offset Frequency
Fig. 1. Typical spectrum analyzer resolution
Stability
Residual FM (typical) For fundamental mixing
50 peak-to-peak, freq. span 5 MHz.
Drift Because analyzer is phase-locked at beginning of
each sweep, drift occurs only during time of one sweep.
n Center Frequency
1
100 Hz to 5.8
2 5.8 to 12.5
3 12.5 to 18.6
4
(After adjusting freq zero, add 30% of RES BW
setting if error correction is not used.)
Zero Span (frequency reference error x
Frequency Span Center Frequency Drift’
100 IO Hz/min of sweeptime
100 MHz 500 of sweeptime
5 of sweeptime
Typical, after 1 hr warmup at stabilized temp
COUPLED FUNCTION not required.
center frequency)
Frequency Span
0 Hz, 100 Hz to 22
over IO division CRT horizontal
axis; variable in approximately 1% increments. Two
FULL SPAN keys select spans from 0 to 2.5
and
from 2 to 22
Frequency Span Readout Accuracy
Spans n x 5 MHz % of indicated frequency
separation
Spans n x 5 MHz
of indicated frequency
separation
Spectral Purity
Noise Sidebands (for frequency span 25
except 100
offset--and center frequency
from 100 Hz to 5.8
Offset from Carrier Sideband Level
320 Hz
-80
1 -85
IO -90
100 -105 dBc/Hz
Start or Stop Frequency Same as center frequency Typical Noise Sideband Performance
Resolution
Resolution Bandwidth 3 bandwidths of IO Hz
to 3 MHz in a 10 sequence. Bandwidth may be
selected manually or coupled to frequency span
(AUTO mode).
3
Bandwidth Accuracy
3 MHz
3
to 1 MHz 0%
(30 and 100 bandwidth accuracy figures
apply only with 90% relative humidity, C.)
60 Bandwidth Selectivity Ratio
100 to 3 MHz
3 to 30
30 Hz to 1
(60 points on IO Hz bandwidth are
separated by 100 Hz.)
Bandwidth Shape
Synchronously tuned, approximately Gaussian
100 Hz 1 10 100 1 MHz
Frequency Offset From Carrier
Fig. 2. Single sideband noise normalized
to 1 Hz BW vs offset from carrier