Specifications - HP 5065A Operating And Service Manual

Rubidium vapor frequency standard
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Model 5065A
Circuit Diagrams, Theory, and Maintenance
Table 1-3. Specifications
5065A
Frequency Stability:
Long term: ±1 x 10-" per month (maximum
limit of drift rate).
Short term*: for 5 MHz output.
Fractional Frequency Fluctuations
Avg. Time ( T )
<7.5x10-
10
1ms
<1.5x10-
10
10 ms
<1.5x10"
11
0.1s
<
5x10~
12
1s
<1.6x10"
12
10 s
< 5x10~
13
100 s
< 5x10-
13
1000 s
Calibration Accuracy: Set at
factory to ±1 x 10"" of specified time scale.
Settabillty: ±2x10-
12
.
Time Scale: Set at factory to UTC unless specified
differently.
Tunabllity: Coarse Frequency Synthesizer Adjust­
ment: Range: 1000 x10"
10
Resolution:<2 x 10
-9
, thumbwheel adjust.
Fine Frequency Magnetic Field Adjustment:
Range: 2x10"
9
Resolution: 2 x10"
12
Warm-up: Within 1 x 10-™ in 1 hour and 5 x 10-"
in 4 hours of final frequency after 24 hours "off"
time at 25°C. Units typically warm-up to better
than+2 parts in 10" of factory calibrated
frequency.
'DEFINITION OF TERMS
Short-Term Stability:
See Statistics of Atomic Frequency Standards by
David W. Allen, Proceedings of IEEE, Feb. 1966,
p. 221, and HP Application Note 116 for measure­
ment details.
Settablllty:
The degree to which an oscillator may be adjusted
to correspond with a reference. This is also
termed calibration.
OUTPUTS:
Frequencies: 5 MHz, 1 MHz, 100 kHz.
Voltages Levels: >1 V rms into 50 ohms at 5 MHz,
1 MHz, 100 kHz.
Connectors: BNC Front and Rear for 5 MHz,
1 MHz, 100 kHz.
Harmonic Distortion: (5 MHz, 1 MHz, 100 kHz)
Down more than 40 dB from rated output.
Nonharmonically Related Output: (5 MHz, 1 MHz,
100 kHz) Down more than 80 dB from rated output.
Signai-to-Noise Ratio: For 1 and 5 MHz,>87 dB
at rated output (in a 30 kHz noise bw).
ENVIRONMENTAL:
Temperature, Operating: 0°to50°C. Frequency
change is<±4 x 1 0 " from frequency reference at
at25°C.
Temperature, Nonoperating: -40° to +75° C.
(With Options to 50° C.)
Production Units Have Passed Type Test as Follows:
HUMIDITY: 0 to 95% relative humidity.
VIBRATION: MIL-STD-167and MIL-E-5400,
CURVE I, with isolators.
SHOCK: MIL-T-21200, and MIL-E-5400 (30 G's).
ELECTROMAGNETIC COMPATIBILITY (EMC):
MIL-l-6181 D and MIL-STD-461, Class A.
ALTITUDE: Frequency change is>5 x 10"" from 0
to 40,000 ft.
FREQUENCY STABILITY DUE TO:
Magnetic Fields:<5 x10
H 2
for 1 gauss dc change
or 1 gauss peak ac, 60 +10% Hz and 400+10% Hz.
Line Voltage:<4x 10
H2
over specified input range.
MATING CONNECTORS:
EXT DC input: HP 1251-0126 (5-contact), Cannon
MS 3106E-14S-5S (Series ME) furnished.
POWER: 115 or 230 Vac ±10%, 50 to 400 Hz, or
23to30Vdc.
Approx. power required:
24Vdc
115 Vac
Without Options
Option 001 (Add)
Option 002 (Add)
Option 003 (Add)
35 W
7.5 W
0 W
7.5 W
49 W
10W
6W
16W
WEIGHT: Net, 34 lb (15,4 kg). Shipping, 51 lb
(23,5 kg). Option 001, add 2 lb (0,9 kg). Option
002, add 3.5 lb (1,6 kg).
WARRANTY: 1 year, except 3 years for RVFR.
1-3

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