MIL-PRF-55310/15G
4
TABLE I. Dash numbers and operating characteristics.
Frequency-temperature tolerance (one-half temperature cycle, referenced to frequency measured at +23C 1C,
immediately prior to starting of the test): See table I. Measurements taken at ten equally spaced increments over
the specified operating temperature range. 1
/
Frequency-voltage tolerance: 1 ppm maximum for a 10 percent change in supply voltage. Measurements taken
at reference temperature and operating temperature range end points.
Frequency-load tolerance: 1 ppm for a 5 percent change in oscillator load.
Frequency-ambient pressure tolerance: 1 ppm sea level to 70,000 feet.
Frequency aging: Measurements shall be taken at +70C 0.2C at intervals of not more than every 72 hours for
30 days minimum.
1 ppm per 30 days, maximum.
1 ppm per 60 days, maximum. 2
/
Terminal strength: Method 211 of MIL-STD-202
, test condition C.
Applied force: 2 pounds each terminal.
Bends: Five at 45 degrees each.
Frequency-environmental tolerance: Not applicable.
1
/ For the purpose of transitioning this device to MIL-PRF-55310, ‘Frequency stability versus temperature’ has been
renamed ‘Frequency-temperature tolerance’. The verification requirements of ‘initial frequency-temperature
accuracy (one-half temperature cycle)’ shall apply except that frequency measurements shall be referenced to
the frequency measured at +23C 1C (f
ref
) instead of to the nominal frequency (f
nom
).
2
/ This is a performance requirement of the oscillator. Support data shall be presented showing that this
requirement shall be met.
Dash
num-
ber
Output
frequency
range
Supply
voltage
Input
current
(max)
Output voltage Rise
and
fall
times
(max)
Duty
cycle
Frequency-temperature
tolerance (ppm)
Logic: 1
(min)
Logic: 0
(max)
-55C
to
+125C
-55C
to
+105C
-20C
to
+70C
A B C
V dc mA ns percent
01 0.01 Hz to
6 MHz
+15 35 13 2 30 45 to 55
50 40 25
02 6 MHz to
10 MHz
+15 40 13 2 30 45 to 55
50 40 25
03 0.01 Hz to
6 MHz
+12 25 10 1 60 45 to 55
50 40 25
04 6 MHz to
10 MHz
+12 30 10 1 60 45 to 55
50 40 25
05 0.01 Hz to
6 MHz
+10 20 9.5 0.5 60 45 to 55
50 40 25
06 6 MHz to
10 MHz
+10 20 9.5 0.5 60 45 to 55
50 40 25
07 0.01 Hz to
6 MHz
+6.75 2.75 6.25 0.5 90 45 to 55
50 40 25
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