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SPECIFICATION AND PERFORMANCE
Pe rformance Conditions
The electrical characteristics are valid only if the
SG 504 has been cal i brated at an am bient tem perature
between +20°C and +30°C and is operati ng at an am bient
tem perat ure between 0°C and +50°C unless otherwise
noted.
Characteristics
Frequency
Range
Accuracy
Amplitude Accuracy
Am pl itude Flatness
Leveled Am plitude Range
Harmonic Content
Frequency Monitor
Output
Residual Fm
B JAN 1981
REV
h++p://rranoman.sqhil1 com
CHECK
SPECIFICATION
Table 2-1
ELECTRICAL CHARACTERISTICS
Performance Requirements
245 MHz to 1 050 MHz in two ranges,
plus 50 kHz to 6 MHz reference
Frequency.
±2% of dial i ndication.
Within 3% of i ndicated am plitude
at reference frequency.
With i n 4% of the value at 50 kHz
or 6 MHz reference frequency.
0.5 V to at least 4.0 V p-p
0.5 V to 5.0 V p-p tor loads with
VSWR less than 1 .2:1 from 0°C
to +35°C.
Harmonic suppression relative to
fundamental; 2nd harmonic at least
25 dB down; 3rd and all h i g her
harmonics typically at least
40 dB down.
0
At least 0.3 V p-p i nto 50
load from 245 to 1 050 MHz only.
I tems l i sted in the Performance Requi rements col u m n
o f t h e Electrical Characteristics are verified b y com plet i n g
the Performance Check i n this manual. Items listed i n t h e
Supplemental I nformation col umn are n o t verified in this
manual; they are either explanatory notes or performance
characteristics for which no l i m its are specified.
Supplemental I nformation
50 kHz and 6 M Hz reference frequency
selected by i nternal slide switch.
Flatness is referenced to the NBS
correcti ons of Tektronix standards.
U ncertainties of the NBS are not
incl uded i n this specification.
This specification appl i es with
output head between - 1 5°C and
+55° C ambient.
Typical ly l ess t han
m i l l ion.
Section 2-SG 504
1
part per
2 -1
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