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""SPECIFICATIONS:8568B SPECTRUM ANALYZER""
Mod E44 Changes
The 8568B E44 system includes the 85662A Opt. 010 heavy duty rack slides plus
"handles, it also removes the battery backup for memory located on A15 Control-"
"ler to comply with MIL-T-28800 (see last page of Description for more info)," and the
following specifications are changed: This list is ADDS/DELETES/CHANGES
"required to ""SPECIFICATIONS:8568B SPECTRUM ANALYZER"" manual part #08568-
90046)"
1) "Under FREQUENCY Section
i) Under MEASUREMENT RANGE: Change to read:
(1) 1000 Hz to 1500 MHz
b) "Under FREQUENCY SPAN ACCURACY:
i) Change to read: For spans >1MHz, +/-5% of the actual frequency separation
between two points +0.5% of span setting); for "spans equal to or less than
1MHz, +/-(5% of frequency separation +0.5% of span).
c) Under READOUT ACCURACY:
i) SPAN equal to or greater than 100Hz: Change to read: +/-(5% of frequency
span + frequency reference error x tune frequency + 10Hz) in AUTO resolution
bandwidth after adjusting FREQ ZERO at stabilized temperature, and using the
error correction function, SHIFT W and SHIFT X. Add 30% of the resolution
bandwidth setting if error correction is not used.
d) Under RESOLUTION:
i) Under RESOLUTION BANDWIDTH:
(1) Change to read: 3dB bandwidths of 30Hz to 1MHz in a 1,3,10 sequence.
Bandwidth may be selected manually or coupled to frequency span.
ii) Under BANDWIDTH ACCURACY: Calibrated to:
(1) Change to read: "+/-20%, 1MHz to 30Hz" 30kHz and 100kHz bandwidth
accuracy figures only applicable equal to or less than 90% R.H
e) Under BANDWIDTH SELECTIVITY:
i) Change to read: 60dB/3 bandwidth ratio:
(1) "<15:1, 1MHz to 100kHz"
(2) "<13:1, 30kHz to 10kHz"
(3) "<11:1, 3kHz to 30Hz"
f) Under FREQUENCY COUNT:
i) "Under FREQUENCY REFERENCE ERROR:
(1) after 30 day warm-up (see also STABILITY "Drift): Change table to read:
AGING RATE TEMPERATURE STABILITY
<1X10^-5/YR <1X10^-5 0-55 DEGR. C
g) Under STABILITY:
i) Under RESIDUAL FM:
(1) Change to read: <10Hz peak-to-peak "equal to or less than 10 sec; span
<100kHz, resolution bandwidth equal to or" "less than 30Hz, video
bandwidth equal to or less than 30Hz."
C:\Documents\1_Manuals\e44.doc
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Last printed 5/5/2007 6:55 AM
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ii) Under DRIFT (After 1 hr. warm-up at stabilized temperature):
(1) Change the table to read:
(a) FREQUENCY SPAN DRIFT (MINUTE OF SWEEP TIME)
(i) <= 100kHz 30Hz
(ii) >100kHz
(iii) but
(iv) < 1 MHz < 100 Hz
(v) > 1 MHz < 300 kHz
h) Under SPECTRAL PURITY:
i) Under NOISE SIDEBANDS:
(1) Change table to read:
(a) OFFSET FROM CARRIER SSB PHASE NOISE (1Hz BW)
(i) 900Hz -85dBc
(ii) 3kHz -90dBc
(iii) 30kHz -105dBc
ii) Under LINE RELATED SIDEBANDS:
(1) Change to: >80dB below the peak of a CW signal.
2) "Under AMPLITUDE Section
a) Under MEASUREMENT RANGE:
(1) Change to read: -127dBm to +30dBm.
b) Under RESIDUAL RESPONSES:
i) (no signal at input): Change to read: <-100dBm for frequencies >500Hz with
0dB input attenuation.
c) Under AVERAGE NOISE LEVEL:
i) Change to read: Displayed <-127dBm for frequencies >1MHz, <-112dBm for
frequency equal to or less than 1MHz but >1kHz with 30Hz resolution
bandwidth, 0dB input attenuation, 1Hz video filter. "Displayed>-115dBm for
1MHz to 1500Mhz, with 1kHz resolution bandwidth."
d) Under VIDEO BANDWIDTH:
i) Change to read: Post detection low pass filter used "to average displayed
noise; bandwidth variable from 1Hz to 1MHz in a 1,3,10" sequence. All
bandwidths are nominal.
e) Under GAIN COMPRESSION:
i) Change to read: <1.0dB for total signal power equal to or less than -10dBm at
the input mixer.
f) Under DYNAMIC RANGE:
i) Under SPURIOUS RESPONSES:
(1) Change to read: For a total "signal power of <-40dBm at the input mixer of
the analyzer, all image and out- "of-band mixing responses, harmonic and
intermodulation distortion products are >70dB below the total signal power.
(2) Under SECOND HARMONIC DISTORTION:
(a) Change to read: For a signal -30dBm at the mixer >60dB down.
(3) Under THIRD-ORDER INTERMODULATION DISTORTION:
(a) Change to read: "For two signals each -30dBm at the mixer, third-order
intermodulation" products are >70dBc. Delete the table which follows the
above sentence.
C:\Documents\1_Manuals\e44.doc
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Last printed 5/5/2007 6:55 AM
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3) Under Sweep Section
a) Under Trigger Section
i) Under ZERO FREQUENCY SPAN: Change table to read:
ACCURACY:FREQUENCY
Resolution Reference Error x Resolution Readout
30 – 300 Hz 10 Hz 1 Hz
1K – 3 Khz 100 Hz 10 Hz
10K – 1Mhz 1 Khz 100 Hz
4) Under OPTIONS: Delete entire section.
5) Under GENERAL:
a) Under WARM-UP TIME:
i) Under FREQUENCY REFERENCE:
(1) Change to read: Frequency reference aging rate attained after 30 minutes
from cold start at 25 Degr. C. Frequency is within 1x10^-5 of final stabilized
frequency within 30 minutes.
6) Under FIDELITY:
a) Under LOG:
i) Under CUMULATIVE:
(1) Change to read: 1MHz to 30Hz Res BW
(a) "equal to or less than +/-1.5dB max over 0 to 80 dB display, 20-30 Degr.
C"
(b) equal to or less than +/-2.0dB max over 0 to 90 dB display.
b) Under LINEAR:
i) Change to read: +/-5% of Reference Level for top 9 1/2 divisions of display.
7) Under CALIBRATOR UNCERTAINTY: Change to read: +/-0.3dB
8) Under FREQUENCY RESPONSE (FLATNESS) UNCERTAINTY:
a) equal to or greater than 10dB RF ATTENUATION:
i) "Delete INPUT #1 and INPUT #2 listings and add: +/-1.5dB, 1kHz to 1500MHz"
9) Under RESOLUTION BANDWIDTH SWITCHING UNCERTAINTY:
a) (referenced to 1MHz bandwidth) corrected (uncorrected):
i) Change table to read:
ii) 20-30 Degr. C
(1) RESOLUTION BW (AFTER 1 HOUR WARM-UP) 0-55 Degr. C
(a) 30Hz +/-0.4dB (+/-0.8dB) (+/-2.3dB)
(b) 100Hz to 1MHz +/-0.2dB (+/-0.5dB) (+/-2.0dB)
C:\Documents\1_Manuals\e44.doc
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10) Under IF GAIN UNCERTAINTY -corrected (uncorrected):
a) Change table to read:
i) REFERENCE LEVEL
a. 20-30 DEGR. C 0-55 DEGR. C
(2) 0 to -55.9dBm
(a) equal to or greater than 30Hz Resolution BW
i. (+/-0.7dB) (+/-1.1dB)
(3) -56.0 to -129.9dBm
(a) equal to or greater than 30Hz Resolution BW
i. +/-1.1dB(+/-1.1dB) (+/-1.6dB)
11) Delete INPUT #2
12) Delete ISOLATION
13) Under INPUTS:
a) Change INPUT#1 to read: 1000Hz to 1500MHz, 50 Ohm. REFLECTION
COEFFICIENT (typical values): <0.20(1.5 SWR); equal to or greater than 10dBm
input attenuation.
14) Under OUTPUTS:
a) Under CALIBRATOR:
i) Change to read: 20MHz +/- (frequency reference error x days since calibration),
-10dBm +/-0.3dB; 50 Ohm.
b) Under AUXILIARY (rear panel; nominal values)
i) Delete entire paragraph.
15) Under FREQUENCY REFERENCE:
a) Delete the entire paragraph beginning with "10.000MHz, 0dBm nominal;....... and
ending with 50 Ohm output impedance."
16) Under DIMENSIONS:
a) Delete entire section.
17) Under INSTRUMENT STATE STORAGE:
a) Change to read: No stored information is "retained if instrument is switched to
""standby"" or if line power is removed." "KSf (""Recover Last Instrument State at
Power On"") is not functional." An error message will result. The low battery
enunciator will be activated upon each power up.
18) ADDITIONAL INFORMATION:
a) To receive the complete manual set (including the troubleshooting and repair
b) "manual), indicate the following on the GSA order (under special instructions):"
REQUIRE TROUBLESHOOTING AND REPAIR MANUALS TO BE SHIPPED
WITH INSTRUMENTS
C:\Documents\1_Manuals\e44.doc
Created on 3/31/2007 5:54 PM
Last printed 5/5/2007 6:55 AM
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