Oscillator Type
Medium-Term Stability
(without GPS after 2 weeks of GPS
lock)
Short-Term Stability (Allan vari-
ance)
Temperature
Stability
(p˗p)
1sec. 10sec. 100 sec.
Low-phase noise
OCXO
2x10
-10
/day 5x10
-11
2x10
-11
1x10
-11
1x10
-9
OCXO 5x10
-10
/day 5x10
-10
5x10
-11
1x10
-11
5x10
-9
TCXO 1x10
-8
/day 2x10
-9
1x10
-9
3x10
-10
1x10
-6
1.7.7.1 10 MHz Output — Oscillator Phase Noise (dBc/Hz)
Oscillator Type @ 1Hz @ 10Hz @ 100Hz @ 1KHz @ 10KHz
Low-phase noise Rubidium ˗100 ˗128 ˗148 ˗153 ˗155
Rubidium ˗80 ˗98 ˗120 ˗140 ˗140
Low-phase noise OCXO ˗100 ˗128 ˗148 ˗153 ˗155
OCXO ˗95 ˗123 ˗140 ˗145 ˗150
TCXO ./. ./. ˗110 ˗135 ˗140
1.7.8 Mechanical and Environmental Specifications
Dimensions:
Designed for EIA 19” rack mount:
Housing w/o connectors and brackets:
16.75” W x 1.72” H [1U] x 14.33” D actual
(425 mm W x 44 mm H x 364 mm D)
Weight:
6.0 lbs (2.72 kg)
Temperature:
Operating:
–20°C to +65°C
Storage:
–40°C to +85°C
Humidity:
10% - 95% relative humidity, non-condensing @ 40°C
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CHAPTER 1 • SecureSync User Reference Guide Rev. 26
1.7 Specifications